/* ==========================================================================
   SUBHADRA STEEL ART - LUXURY MULTI-PAGE STYLESHEET
   Brand Palette: Obsidian Charcoal, Deep Ruby Metallic Crimson (#C8102E), 
   Brushed Stainless Steel (#E2E8F0 / #94A3B8), Warm Silk White (#F8FAFC)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Syne:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #0A0B0E;
  --bg-secondary: #121419;
  --bg-card: #181B22;
  --bg-card-hover: #1E222B;
  --bg-glass: rgba(18, 20, 25, 0.82);
  
  --brand-red: #C8102E;
  --brand-red-bright: #E51837;
  --brand-red-dark: #8C0A1E;
  --brand-red-glow: rgba(200, 16, 46, 0.4);
  --brand-red-subtle: rgba(200, 16, 46, 0.12);

  --steel-light: #F1F5F9;
  --steel-silver: #CBD5E1;
  --steel-muted: #94A3B8;
  --steel-dark: #334155;
  --steel-border: rgba(203, 213, 225, 0.12);
  --steel-border-glow: rgba(200, 16, 46, 0.35);

  --gold-accent: #D4AF37;
  --gold-glow: rgba(212, 175, 55, 0.25);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Typography */
  --font-heading: 'Syne', 'Playfair Display', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions & Shadows */
  --transition-fast: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

  --glow-crimson: 0 0 30px rgba(200, 16, 46, 0.35);
  --glow-steel: 0 0 25px rgba(203, 213, 225, 0.15);
  --glow-card-hover: 0 20px 40px -15px rgba(0, 0, 0, 0.7), 0 0 30px rgba(200, 16, 46, 0.22);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  background: radial-gradient(circle at 50% 0%, #171A21 0%, #0A0B0E 70%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #262A34;
  border-radius: 4px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-red);
}

/* Selection */
::selection {
  background: var(--brand-red);
  color: #FFF;
}

/* Typography Utilities */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  color: var(--text-main);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.15;
}

.text-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

p {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 1.05rem;
}

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

.text-gradient-red {
  background: linear-gradient(135deg, #FF2E4D 0%, #C8102E 50%, #9E0A20 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-steel {
  background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 50%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #FFF0C2 0%, #D4AF37 60%, #9A7B1C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glowing Elements */
.glow-effect {
  position: relative;
}
.glow-effect::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--brand-red), transparent 60%, var(--steel-silver));
  z-index: -1;
  opacity: 0.3;
  transition: var(--transition-smooth);
}
.glow-effect:hover::after {
  opacity: 0.8;
  filter: blur(8px);
}

/* Metallic Red Ribbon Divider Line */
.ribbon-line {
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent 0%, var(--brand-red) 30%, var(--steel-silver) 50%, var(--brand-red) 70%, transparent 100%);
  box-shadow: 0 0 12px var(--brand-red-glow);
}

/* Container */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   HEADER & ELEGANT NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--steel-border);
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(10, 11, 14, 0.94);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 1px 0 var(--brand-red-subtle);
  border-bottom-color: rgba(200, 16, 46, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
  transition: var(--transition-smooth);
}

.site-header.scrolled .header-inner {
  height: 75px;
}

/* Brand Logo Styling */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon-svg {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 0 8px rgba(200, 16, 46, 0.4));
  transition: var(--transition-bounce);
}

.brand-logo:hover .logo-icon-svg {
  transform: scale(1.06) rotate(-2deg);
  filter: drop-shadow(0 0 16px rgba(200, 16, 46, 0.8));
}

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

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 5px;
  line-height: 1;
}

.brand-title .subhadra {
  color: var(--brand-red);
  text-shadow: 0 0 10px rgba(200, 16, 46, 0.4);
}

.brand-title .steel-art {
  color: var(--steel-light);
}

.brand-tagline {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--steel-muted);
  font-weight: 600;
  margin-top: 3px;
}

/* Header Navigation Tabs */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  padding: 8px 0;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-red), var(--steel-silver));
  box-shadow: 0 0 8px var(--brand-red-glow);
  transition: var(--transition-fast);
}

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

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

.nav-link.active {
  font-weight: 700;
  color: #FFF;
}

/* Header CTA Button */
.btn-header-quote {
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FFF;
  background: linear-gradient(135deg, var(--brand-red) 0%, var(--brand-red-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 15px rgba(200, 16, 46, 0.35);
  position: relative;
  overflow: hidden;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-header-quote::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: rotate(30deg);
  transition: 0.7s;
}

.btn-header-quote:hover::before {
  left: 100%;
}

.btn-header-quote:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(200, 16, 46, 0.6);
  background: linear-gradient(135deg, var(--brand-red-bright) 0%, var(--brand-red) 100%);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 5px;
}

/* Mobile Nav Drawer */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 11, 14, 0.96);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mobile-nav-links a.active, .mobile-nav-links a:hover {
  color: var(--brand-red);
  text-shadow: 0 0 15px rgba(200, 16, 46, 0.6);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.45) contrast(1.15);
  transform: scale(1.05);
  transition: transform 10s ease-out;
}

.hero-section:hover .hero-bg-image {
  transform: scale(1);
}

.hero-overlay-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(10, 11, 14, 0.85) 0%, rgba(10, 11, 14, 0.95) 100%),
              linear-gradient(to bottom, rgba(10, 11, 14, 0.3), var(--bg-primary));
  z-index: -1;
}

/* Glowing Ribbon Ambient Light Blob */
.hero-glow-blob {
  position: absolute;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand-red-glow) 0%, transparent 70%);
  filter: blur(80px);
  top: 20%;
  left: -100px;
  pointer-events: none;
  animation: pulseGlow 8s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { transform: scale(1) translateY(0); opacity: 0.5; }
  100% { transform: scale(1.2) translateY(-30px); opacity: 0.9; }
}

.hero-content {
  max-width: 850px;
  padding: 4rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px;
  border-radius: 50px;
  background: var(--brand-red-subtle);
  border: 1px solid rgba(200, 16, 46, 0.35);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 2rem;
  box-shadow: 0 0 20px var(--brand-red-subtle);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-red);
  box-shadow: 0 0 10px var(--brand-red-bright);
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  color: #FFF;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--steel-silver);
  margin-bottom: 2.8rem;
  max-width: 680px;
  font-weight: 400;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Primary Button */
.btn-primary {
  padding: 16px 36px;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #FFF;
  background: linear-gradient(135deg, var(--brand-red) 0%, var(--brand-red-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px var(--brand-red-glow);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(200, 16, 46, 0.6);
  background: linear-gradient(135deg, var(--brand-red-bright) 0%, var(--brand-red) 100%);
}

/* Secondary Button */
.btn-secondary {
  padding: 16px 36px;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-light);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--steel-border);
  backdrop-filter: blur(10px);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--steel-silver);
  color: #FFF;
  transform: translateY(-3px);
}

/* Key Stats Bar */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 4.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--steel-border);
}

.stat-item h3 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.stat-item p {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--steel-muted);
}

/* ==========================================================================
   FEATURED VERTICALS (SERVICES CARDS)
   ========================================================================== */
.section-padding {
  padding: 7rem 0;
  position: relative;
}

.section-header {
  margin-bottom: 4rem;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand-red);
  display: block;
  margin-bottom: 0.75rem;
  text-shadow: 0 0 10px rgba(200, 16, 46, 0.3);
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  color: #FFF;
  line-height: 1.15;
}

.section-desc {
  max-width: 650px;
  margin-top: 1rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Asymmetric Verticals Grid */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

.vertical-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--steel-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.vertical-card.col-7 { grid-column: span 7; }
.vertical-card.col-5 { grid-column: span 5; }
.vertical-card.col-6 { grid-column: span 6; }

@media (max-width: 992px) {
  .vertical-card.col-7, .vertical-card.col-5, .vertical-card.col-6 {
    grid-column: span 12;
  }
}

.vertical-card-img-wrapper {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.vertical-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.vertical-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg-card) 5%, rgba(24, 27, 34, 0.2) 100%);
}

.vertical-card-body {
  padding: 2.2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.vertical-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-red);
  margin-bottom: 0.5rem;
}

.vertical-card-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 0.75rem;
}

.vertical-card-desc {
  font-size: 0.98rem;
  color: var(--steel-muted);
  margin-bottom: 1.5rem;
}

.vertical-card-link {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-light);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.vertical-card:hover {
  transform: translateY(-6px);
  border-color: rgba(200, 16, 46, 0.5);
  box-shadow: var(--glow-card-hover);
}

.vertical-card:hover .vertical-card-link {
  color: var(--brand-red);
  gap: 14px;
}

/* ==========================================================================
   PHILOSOPHY & CRAFTSMANSHIP SNIPPET
   ========================================================================== */
.philosophy-section {
  background: var(--bg-secondary);
  border-y: 1px solid var(--steel-border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.philosophy-image-box {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--steel-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.philosophy-image-box img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

.philosophy-glow-frame {
  position: absolute;
  inset: 15px;
  border: 1px solid rgba(200, 16, 46, 0.4);
  border-radius: 4px;
  pointer-events: none;
  box-shadow: inset 0 0 20px rgba(200, 16, 46, 0.2);
}

/* ==========================================================================
   INTERACTIVE STEEL FINISHES SHOWCASE
   ========================================================================== */
.finishes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.finish-card {
  background: var(--bg-card);
  border: 1px solid var(--steel-border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.finish-swatch {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 1.5rem auto;
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transition: var(--transition-bounce);
}

.finish-swatch.brushed-ss {
  background: linear-gradient(135deg, #E2E8F0 0%, #94A3B8 50%, #CBD5E1 100%);
}

.finish-swatch.pvd-rosegold {
  background: linear-gradient(135deg, #ECC5C0 0%, #B76E79 50%, #8C4A54 100%);
}

.finish-swatch.champagne-gold {
  background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 50%, #AA8828 100%);
}

.finish-swatch.matt-charcoal {
  background: linear-gradient(135deg, #334155 0%, #1E293B 50%, #0F172A 100%);
}

.finish-card:hover {
  transform: translateY(-8px);
  border-color: var(--brand-red);
  box-shadow: 0 15px 35px rgba(200, 16, 46, 0.3);
}

.finish-card:hover .finish-swatch {
  transform: scale(1.12);
  box-shadow: 0 0 25px rgba(200, 16, 46, 0.5);
}

.finish-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 0.5rem;
}

.finish-desc {
  font-size: 0.9rem;
  color: var(--steel-muted);
}

/* ==========================================================================
   PORTFOLIO & GALLERY PREVIEW
   ========================================================================== */
.portfolio-filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--steel-border);
  color: var(--steel-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--brand-red-subtle);
  border-color: var(--brand-red);
  color: #FFF;
  box-shadow: 0 0 15px var(--brand-red-subtle);
}

.portfolio-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 380px;
  border: 1px solid var(--steel-border);
  cursor: pointer;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-item:hover .project-img {
  transform: scale(1.08);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 11, 14, 0.95) 0%, rgba(10, 11, 14, 0.3) 60%, transparent 100%);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0.9;
  transition: var(--transition-smooth);
}

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--brand-red);
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 0.4rem;
}

.project-location {
  font-size: 0.88rem;
  color: var(--steel-muted);
}

/* Modal Lightbox */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 6, 8, 0.94);
  backdrop-filter: blur(20px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

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

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--steel-border);
  border-radius: 12px;
  max-width: 900px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(200, 16, 46, 0.3);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: #FFF;
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--brand-red);
}

/* ==========================================================================
   B2B & TRADE SECTION
   ========================================================================== */
.trade-banner {
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.15) 0%, rgba(18, 20, 25, 0.95) 100%);
  border: 1px solid rgba(200, 16, 46, 0.4);
  border-radius: 12px;
  padding: 4rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   CONTACT & FORM STYLES
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--steel-light);
  margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--steel-border);
  color: #FFF;
  font-family: var(--font-body);
  font-size: 0.98rem;
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--brand-red);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 15px rgba(200, 16, 46, 0.3);
}

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */
.site-footer {
  background: #060709;
  border-top: 1px solid var(--steel-border);
  padding: 5rem 0 2.5rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1.2rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFF;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--steel-muted);
  font-size: 0.92rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: var(--transition-bounce);
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .nav-menu, .btn-header-quote { display: none; }
  .mobile-toggle { display: block; }
  .philosophy-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   OPPOSITE-CORNER ROUND CARDS & MOUSEHOVER EFFECTS (USER REQUEST)
   ========================================================================== */
.card-opposite-round {
  border-top-left-radius: 36px !important;
  border-bottom-right-radius: 36px !important;
  border-top-right-radius: 0px !important;
  border-bottom-left-radius: 0px !important;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease, background-color 0.35s ease !important;
}

.card-opposite-round:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 24px 45px -12px rgba(139, 26, 26, 0.22), 0 8px 18px -6px rgba(0, 0, 0, 0.12) !important;
  border-color: #8b1a1a !important;
}

.card-opposite-round-alt {
  border-top-right-radius: 36px !important;
  border-bottom-left-radius: 36px !important;
  border-top-left-radius: 0px !important;
  border-bottom-right-radius: 0px !important;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease, background-color 0.35s ease !important;
}

.card-opposite-round-alt:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 24px 45px -12px rgba(139, 26, 26, 0.22), 0 8px 18px -6px rgba(0, 0, 0, 0.12) !important;
  border-color: #8b1a1a !important;
}

.hover-lift {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease !important;
}
.hover-lift:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.15) !important;
}

.hover-glow:hover {
  box-shadow: 0 0 25px rgba(200, 16, 46, 0.25) !important;
  border-color: rgba(200, 16, 46, 0.5) !important;
}