/* Shree Shiva Electricals - Modern Industrial B2B CSS Design System */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --primary: #D9232D;
  --primary-dark: #B01821;
  --primary-light: #FFF0F1;
  --accent: #E84A27;
  --accent-gold: #F59E0B;
  --dark-navy: #0F172A;
  --dark-surface: #1E293B;
  --dark-card: #182234;
  --text-primary: #1E293B;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --bg-light: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-color: #E2E8F0;
  --border-focus: #D9232D;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
  --shadow-red: 0 10px 25px -5px rgba(217, 35, 45, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--dark-navy);
}

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

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

ul {
  list-style: none;
}

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

.section-padding {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-primary { color: var(--primary) !important; }
.text-accent { color: var(--accent) !important; }

/* Top Header Bar */
.top-bar {
  background-color: var(--dark-navy);
  color: #94A3B8;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.top-info-item svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
}

.top-badge {
  background: rgba(217, 35, 45, 0.2);
  color: #F87171;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(217, 35, 45, 0.4);
}

/* Sticky Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 1rem;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.logo-img {
  height: 52px;
  max-width: 280px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--dark-navy);
  border-radius: var(--radius-sm);
}

.mobile-toggle:focus {
  outline: 2px solid var(--primary);
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-red);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(217, 35, 45, 0.45);
}

.btn-secondary {
  background-color: var(--dark-navy);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--dark-surface);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image: radial-gradient(#FFFFFF 1px, transparent 1px);
  background-size: 24px 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 10;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(217, 35, 45, 0.15);
  border: 1px solid rgba(217, 35, 45, 0.4);
  color: #F87171;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-title span {
  color: var(--primary);
  position: relative;
}

.hero-tagline-sub {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.hero-description {
  font-size: 1.05rem;
  color: #94A3B8;
  margin-bottom: 2rem;
  max-width: 600px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Circular Hero Image Wrapper */
.hero-visual-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-circle-frame {
  position: relative;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  padding: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  box-shadow: 0 0 50px rgba(217, 35, 45, 0.4);
  animation: pulseGlow 6s infinite alternate ease-in-out;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 35px rgba(217, 35, 45, 0.3); }
  100% { box-shadow: 0 0 65px rgba(232, 74, 39, 0.6); }
}

.hero-circle-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid #0F172A;
}

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -10px;
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.875rem 1.15rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.875rem;
  box-shadow: var(--shadow-lg);
}

.hero-floating-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  flex-shrink: 0;
}

.hero-floating-text h4 {
  font-size: 0.95rem;
  color: #FFFFFF;
}

.hero-floating-text p {
  font-size: 0.775rem;
  color: #94A3B8;
}

/* Brand Partners Section */
.brands-section {
  background-color: #FFFFFF;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.brands-header {
  margin-bottom: 2rem;
  text-align: center;
}

.brands-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  align-items: center;
}

.brand-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 0.875rem 0.6rem;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  color: var(--dark-navy);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60px;
}

.brand-card:hover {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-red);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 0.875rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Product Category Cards Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.category-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(217, 35, 45, 0.3);
}

.category-banner {
  position: relative;
  height: 190px;
  overflow: hidden;
  background-color: var(--dark-navy);
}

.category-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .category-banner img {
  transform: scale(1.08);
}

.category-number-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.category-title {
  font-size: 1.25rem;
  margin-bottom: 0.875rem;
  color: var(--dark-navy);
}

.category-specs-list {
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.category-specs-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.category-specs-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.category-card-footer {
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* About Page Styling */
.about-hero-section {
  background: var(--dark-navy);
  color: #FFFFFF;
  padding: 4rem 0;
  text-align: center;
}

.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text-block h2 {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.about-text-block p {
  color: var(--text-secondary);
  font-size: 1.025rem;
  margin-bottom: 1.25rem;
  line-height: 1.65;
}

.about-highlights-list {
  margin: 1.5rem 0 2rem;
}

.about-highlights-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--dark-navy);
}

.about-highlights-list svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.about-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* Contact Page Styling */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.contact-info-panel {
  background: var(--dark-navy);
  color: #FFFFFF;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info-panel h3 {
  color: #FFFFFF;
  font-size: 1.65rem;
  margin-bottom: 1.25rem;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  background: rgba(217, 35, 45, 0.2);
  border: 1px solid rgba(217, 35, 45, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-detail-text h5 {
  color: #94A3B8;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.contact-detail-text p, .contact-detail-text a {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 500;
  word-break: break-word;
}

.contact-detail-text a:hover {
  color: #F87171;
}

.contact-form-panel {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.contact-form-panel h3 {
  font-size: 1.65rem;
  margin-bottom: 0.5rem;
}

.contact-form-panel p {
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--dark-navy);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.925rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-light);
  color: var(--text-primary);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(217, 35, 45, 0.1);
}

textarea.form-control {
  min-height: 130px;
  resize: vertical;
}

.form-success-toast {
  display: none;
  background: #DEF7EC;
  border: 1px solid #31C48D;
  color: #03543F;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

/* Footer */
.footer {
  background-color: var(--dark-navy);
  color: #94A3B8;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 4px solid var(--primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  height: 52px;
  max-width: 260px;
  width: auto;
  object-fit: contain;
}

.footer-about-text {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.15rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  font-size: 0.875rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 999;
  background-color: #25D366;
  color: #FFFFFF;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

/* ==========================================
   ENHANCED MOBILE & TABLET RESPONSIVENESS
   ========================================== */

@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .about-content-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-circle-frame {
    width: 300px;
    height: 300px;
  }

  .hero-floating-card {
    left: 50%;
    transform: translateX(-50%);
    bottom: -25px;
    width: 90%;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    height: 72px;
  }

  .logo-img {
    height: 44px;
    max-width: 220px;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 72px);
    background-color: var(--dark-navy);
    flex-direction: column;
    padding: 2rem 1.5rem;
    align-items: flex-start;
    gap: 1.25rem;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }

  .nav-links.active {
    left: 0;
  }

  .nav-link {
    color: #FFFFFF;
    font-size: 1.15rem;
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

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

  .brands-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  }

  .brand-card {
    font-size: 0.8rem;
    padding: 0.75rem 0.4rem;
    min-height: 52px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 50px;
    height: 50px;
  }

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

@media (max-width: 480px) {
  .top-bar-content {
    flex-direction: column;
    text-align: center;
    gap: 0.4rem;
  }

  .top-info {
    justify-content: center;
    gap: 0.875rem;
    font-size: 0.775rem;
  }

  .logo-img {
    height: 38px;
    max-width: 180px;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-circle-frame {
    width: 250px;
    height: 250px;
  }

  .contact-info-panel, .contact-form-panel {
    padding: 1.75rem 1.25rem;
  }

  .btn {
    width: 100%;
  }

  .nav-actions .btn {
    display: none;
  }
}