/* ============================================================
   TOP CRANE SYSTEM PRIVATE LIMITED — style.css
   Premium Production-Ready Stylesheet
   ============================================================ */

/* ----------------------------------------------------------
   1. Google Font Import
   ---------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ----------------------------------------------------------
   2. CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------- */
:root {
  /* Brand Colours */
  --color-primary:       #0F3B8C;
  --color-primary-dark:  #0a2d6e;
  --color-primary-light: #1a52bf;
  --color-accent:        #DCA11D;
  --color-accent-dark:   #b8861a;
  --color-accent-light:  #e8b84b;

  /* Neutrals */
  --color-dark:          #1F2937;
  --color-darker:        #111827;
  --color-light:         #F9FAFB;
  --color-white:         #FFFFFF;
  --color-gray-100:      #F3F4F6;
  --color-gray-200:      #E5E7EB;
  --color-gray-300:      #D1D5DB;
  --color-gray-400:      #9CA3AF;
  --color-gray-500:      #6B7280;
  --color-gray-600:      #4B5563;
  --color-gray-700:      #374151;
  --color-gray-800:      #1F2937;
  --color-gray-900:      #111827;

  /* Footer Colours */
  --footer-dark:         #1A1A1A;
  --footer-darker:       #111111;
  --footer-mid:          #2A2A2A;

  /* Social Brand Colours */
  --color-facebook:      #1877F2;
  --color-linkedin:      #0A66C2;
  --color-twitter:       #1DA1F2;
  --color-youtube:       #FF0000;
  --color-whatsapp:      #25D366;

  /* Typography */
  --font-family:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs:        0.75rem;
  --font-size-sm:        0.875rem;
  --font-size-base:      1rem;
  --font-size-lg:        1.125rem;
  --font-size-xl:        1.25rem;
  --font-size-2xl:       1.5rem;
  --font-size-3xl:       1.875rem;
  --font-size-4xl:       2.25rem;
  --font-size-5xl:       3rem;

  /* Spacing */
  --spacing-xs:          0.25rem;
  --spacing-sm:          0.5rem;
  --spacing-md:          1rem;
  --spacing-lg:          1.5rem;
  --spacing-xl:          2rem;
  --spacing-2xl:         3rem;
  --spacing-3xl:         4rem;

  /* Border Radius */
  --radius-sm:           0.25rem;
  --radius-md:           0.5rem;
  --radius-lg:           0.75rem;
  --radius-xl:           1rem;
  --radius-2xl:          1.5rem;
  --radius-full:         9999px;

  /* Shadows */
  --shadow-sm:           0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md:           0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg:           0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.08);
  --shadow-xl:           0 20px 50px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.10);
  --shadow-glow:         0 8px 32px rgba(220, 161, 29, 0.25);
  --shadow-glow-blue:    0 8px 32px rgba(15, 59, 140, 0.25);

  /* Transitions */
  --ease-standard:       cubic-bezier(0.4, 0, 0.2, 1);
  --ease-decelerate:     cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-accelerate:     cubic-bezier(0.4, 0.0, 1, 1);
  --ease-sharp:          cubic-bezier(0.4, 0, 0.6, 1);
  --transition-fast:     150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:     250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:     400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower:   600ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-below:             -1;
  --z-base:              0;
  --z-raised:            10;
  --z-overlay:           100;
  --z-modal:             200;
  --z-nav:               500;
  --z-toast:             1000;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

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

/* ----------------------------------------------------------
   4. Custom Scrollbar
   ---------------------------------------------------------- */
::-webkit-scrollbar         { width: 6px; height: 6px; }
::-webkit-scrollbar-track   { background: var(--color-gray-100); }
::-webkit-scrollbar-thumb   { background: var(--color-accent); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent-dark); }
::-webkit-scrollbar-corner  { background: var(--color-gray-100); }

* { scrollbar-width: thin; scrollbar-color: var(--color-accent) var(--color-gray-100); }

/* ----------------------------------------------------------
   5. Typography Helpers
   ---------------------------------------------------------- */
.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-500);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.section-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

/* ----------------------------------------------------------
   6. Navigation Styles
   ---------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
  letter-spacing: -0.05em;
  transition: transform var(--transition-base), background var(--transition-base);
}

.nav-logo-icon:hover {
  background: var(--color-accent);
  transform: rotate(-5deg) scale(1.05);
}

.nav-logo-text {
  font-weight: 800;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.nav-logo-sub {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--color-gray-500);
  letter-spacing: 0.08em;
}

/* Nav Links — Gold Underline Slide-in from Left */
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  padding: 0.375rem 0;
  letter-spacing: 0.01em;
  transition: color var(--transition-base);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition-base);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
}

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

.nav-link.active::after {
  transform: scaleX(1);
}

/* Top Info Bar */
.top-bar {
  background: var(--color-primary);
  padding: 0.5rem 0;
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.top-bar a {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition-fast);
}

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

.top-bar-social-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.85);
  font-size: 0.75rem;
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.top-bar-social-icon:hover {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
  max-height: 500px;
  opacity: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-primary);
  background: var(--color-gray-100);
  border-left-color: var(--color-accent);
  padding-left: 1.25rem;
}

/* Hamburger Button */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.hamburger-btn:hover { background: var(--color-gray-100); }

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-gray-700);
  border-radius: var(--radius-full);
  transform-origin: center;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-btn.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-btn.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger-btn.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ----------------------------------------------------------
   7. Buttons
   ---------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.625rem 1.5rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base);
}

.btn:active { transform: scale(0.97); }

/* Button Shimmer */
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255,255,255,0.50) 50%,
    transparent 80%
  );
  transform: translateX(-100%);
}

.btn:hover::before {
  animation: shimmer 0.65s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 8px 25px rgba(15, 59, 140, 0.35);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.50);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--color-white);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-quote {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-md);
}

.btn-quote:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 6px 20px rgba(220, 161, 29, 0.40);
  transform: translateY(-2px);
  color: var(--color-white);
}

/* ----------------------------------------------------------
   8. Hero Section — Parallax-Ready
   ---------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 59, 140, 0.92) 0%,
    rgba(15, 59, 140, 0.75) 50%,
    rgba(31, 41, 55, 0.65) 100%
  );
  z-index: 1;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(220, 161, 29, 0.15);
  border: 1px solid rgba(220, 161, 29, 0.40);
  color: var(--color-accent-light);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-lg);
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.hero-title .highlight { color: var(--color-accent); }

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255,255,255,0.80);
  line-height: 1.7;
  max-width: 560px;
}

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255,255,255,0.60);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  animation: bounce 2s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes bounce {
  0%, 100% { transform: translateY(0);  }
  50%       { transform: translateY(8px); }
}

/* ----------------------------------------------------------
   9. Product Cards
   ---------------------------------------------------------- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(15, 59, 140, 0.15),
              0 8px 20px rgba(0,0,0,0.10),
              0 0 0 1px rgba(220,161,29,0.15);
}

.product-card-image-wrapper {
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-gray-100);
}

.product-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-card-image { transform: scale(1.08); }

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

.product-card-category {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.product-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.product-card:hover .product-card-title { color: var(--color-primary-dark); }

.product-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.product-card-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

/* ----------------------------------------------------------
   10. Service Cards
   ---------------------------------------------------------- */
.service-card {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.service-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(15, 59, 140, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.service-card:hover .service-card-icon {
  transform: rotate(15deg);
  background: var(--color-accent);
  color: var(--color-white);
}

.service-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.service-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   11. Stats Counter Section
   ---------------------------------------------------------- */
.stats-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(220,161,29,0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.stats-section::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-white);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.stat-item   { text-align: center; padding: var(--spacing-xl); }

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-number .stat-accent { color: var(--color-accent); }

.stat-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.70);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-top: var(--spacing-sm);
}

.stat-divider {
  width: 2px;
  height: 60px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
}

/* ----------------------------------------------------------
   12. Testimonial Cards
   ---------------------------------------------------------- */
.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  border-left: 4px solid transparent;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-left-color var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-left-color: var(--color-accent);
}

.testimonial-quote {
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  font-family: Georgia, serif;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

.testimonial-author-name {
  font-weight: 700;
  color: var(--color-dark);
  font-size: var(--font-size-sm);
}

.testimonial-author-role {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  font-weight: 500;
}

.testimonial-stars {
  color: var(--color-accent);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

/* ----------------------------------------------------------
   13. Footer Styles
   ---------------------------------------------------------- */
.footer-dark { background: var(--footer-dark); }
.footer-mid  { background: var(--footer-mid);  }

/* Footer Link — Arrow slides in from left */
.footer-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-base);
}

.footer-link::before {
  content: '\2192';
  display: inline-block;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  transition: max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-right: 0;
}

.footer-link:hover { color: var(--color-white); }

.footer-link:hover::before {
  max-width: 1.5em;
  opacity: 1;
  margin-right: 0.35rem;
}

/* Footer Social Icons */
.footer-social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.70);
  font-size: 1.125rem;
  border: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition-base);
}

.footer-social-icon:hover {
  transform: scale(1.2) rotate(10deg);
  border-color: transparent;
}

.footer-social-icon.facebook:hover { background: var(--color-facebook); color: var(--color-white); }
.footer-social-icon.linkedin:hover { background: var(--color-linkedin); color: var(--color-white); }
.footer-social-icon.twitter:hover  { background: var(--color-twitter);  color: var(--color-white); }
.footer-social-icon.youtube:hover  { background: var(--color-youtube);  color: var(--color-white); }
.footer-social-icon.whatsapp:hover { background: var(--color-whatsapp); color: var(--color-white); }

/* Footer Product Links */
.footer-product-link {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.60);
  padding: 0.25rem 0;
  display: block;
  transition: color var(--transition-base), padding-left var(--transition-base);
  position: relative;
}

.footer-product-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.footer-product-link:hover {
  color: var(--color-accent);
  padding-left: 0.5rem;
}

.footer-product-link:hover::after { width: 100%; }

/* Gold Bottom Bar */
.footer-bottom-bar { background: var(--color-accent); }

/* ----------------------------------------------------------
   14. Floating WhatsApp Button
   ---------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  left: 1.5rem;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--color-whatsapp);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  z-index: var(--z-modal);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.whatsapp-float:hover {
  transform: scale(1.12) translateY(-2px);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.60);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  background: rgba(37, 211, 102, 0.35);
  animation: whatsapp-pulse 2.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  z-index: -1;
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: var(--radius-full);
  background: rgba(37, 211, 102, 0.15);
  animation: whatsapp-pulse 2.5s cubic-bezier(0.4, 0, 0.2, 1) infinite 0.4s;
  z-index: -2;
}

@keyframes whatsapp-pulse {
  0%   { transform: scale(1);    opacity: 1; }
  70%  { transform: scale(1.55); opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* ----------------------------------------------------------
   15. Back To Top Button
   ---------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  background: transparent;
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: none;
  z-index: var(--z-modal);
  cursor: pointer;
  border: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base),
              background var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: transparent;
  box-shadow: none;
  transform: translateY(-3px) scale(1.05);
}

/* ----------------------------------------------------------
   16. Fade-In-Up Animation
   ---------------------------------------------------------- */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-delay-1 { transition-delay: 0.10s; }
.fade-delay-2 { transition-delay: 0.20s; }
.fade-delay-3 { transition-delay: 0.30s; }
.fade-delay-4 { transition-delay: 0.40s; }
.fade-delay-5 { transition-delay: 0.50s; }
.fade-delay-6 { transition-delay: 0.60s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* ----------------------------------------------------------
   17. Section Decorations
   ---------------------------------------------------------- */
.accent-line {
  width: 3.5rem;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-full);
  margin: var(--spacing-md) auto 0;
}

.accent-line-left { margin-left: 0; }

.gold-divider {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  border: none;
  margin: 0;
}

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

/* ----------------------------------------------------------
   18. Feature Cards
   ---------------------------------------------------------- */
.feature-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(220,161,29,0.30);
}

.feature-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-5deg); }

/* ----------------------------------------------------------
   19. Contact / Form Styles
   ---------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 59, 140, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-gray-400); }

.form-textarea { resize: vertical; min-height: 120px; }

/* ----------------------------------------------------------
   20. Page Hero / Inner Pages
   ---------------------------------------------------------- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 5rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(220,161,29,0.12) 0%, transparent 65%);
  pointer-events: none;
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.70);
}

.breadcrumb-link { color: rgba(255,255,255,0.70); transition: color var(--transition-fast); }
.breadcrumb-link:hover { color: var(--color-accent); }
.breadcrumb-sep { color: rgba(255,255,255,0.40); font-size: 0.75rem; }

/* ----------------------------------------------------------
   21. Badges
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

.badge-accent   { background: rgba(220,161,29,0.12); color: var(--color-accent-dark); }
.badge-primary  { background: rgba(15,59,140,0.10);  color: var(--color-primary);     }
.badge-success  { background: rgba(34,197,94,0.12);  color: #16a34a;                  }

/* Skeleton Loader */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0%   { background-position: 200% 0;  }
  100% { background-position: -200% 0; }
}

/* Visually hidden */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* ----------------------------------------------------------
   22. Mobile Responsive Adjustments
   ---------------------------------------------------------- */
@media (max-width: 639px) {
  html { font-size: 15px; }

  .hero-section {
    background-attachment: scroll;
    min-height: 90vh;
  }

  .hero-title   { font-size: 2rem; }
  .hero-subtitle{ font-size: var(--font-size-base); }
  .section-title{ font-size: var(--font-size-2xl); }
  .stat-number  { font-size: 2.25rem; }
  .stat-divider { display: none; }

  .product-card-body  { padding: 1rem; }
  .service-card       { padding: 1.5rem; }
  .testimonial-card   { padding: 1.5rem; }

  .back-to-top {
    bottom: 1.25rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    left: 1rem;
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }

  .top-bar-right { display: none; }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .hero-section { background-attachment: scroll; }
  .hero-title   { font-size: 2.75rem; }
}

@media (min-width: 1024px) {
  .mobile-menu    { display: none !important; }
  .hamburger-btn  { display: none !important; }
}

/* ----------------------------------------------------------
   23. Accessibility
   ---------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@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;
  }

  .fade-in-up { opacity: 1; transform: none; }
  .whatsapp-float::before,
  .whatsapp-float::after { display: none; }
}

/* ----------------------------------------------------------
   24. Print Styles
   ---------------------------------------------------------- */
@media print {
  .whatsapp-float, .back-to-top, .top-bar, nav, footer { display: none !important; }
  body       { font-size: 12pt; color: #000; background: #fff; }
  a          { text-decoration: underline; color: #000; }
  .page-hero { background: none; color: #000; padding: 1rem 0; }
  .page-hero-title { color: #000; }
}