/* ==========================================================================
   PRIMEEDGE SUPPLY INC. — EXECUTIVE ARCHITECTURAL (B&W) DESIGN SYSTEM
   Domain: primeedgesupplyinc.com
   Font: Poppins (Clean Modern Sans-Serif)
   ========================================================================== */

/* --- CSS Variables --- */
:root {
  --bg-black: #000000;
  --bg-obsidian: #08080a;
  --bg-card: rgba(20, 20, 24, 0.85);
  --bg-card-solid: #141418;
  --bg-card-hover: #1e1e24;
  
  --text-white: #ffffff;
  --text-silver: #e4e4e7;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-bright: rgba(255, 255, 255, 0.35);
  --border-solid: #27272a;
  
  --font-heading: 'Poppins', -apple-system, sans-serif;
  --font-body: 'Poppins', -apple-system, sans-serif;
  --font-serif: 'Poppins', sans-serif;

  --shadow-bw-glow: 0 0 35px rgba(255, 255, 255, 0.15);
  --shadow-elevation: 0 25px 60px rgba(0, 0, 0, 0.85);
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

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

body.bw-theme {
  background-color: var(--bg-black);
  color: var(--text-white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 120px 0;
}

.hidden {
  display: none !important;
}

/* --- Typography & Section Headers --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.text-contrast {
  color: #ffffff;
  border-bottom: 2px solid #ffffff;
  display: inline-block;
  padding-bottom: 2px;
}

.section-header {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.25;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 20px 0 0 0;
  text-align: left;
  line-height: 1.65;
}

.section-header.text-center .section-desc {
  margin: 20px auto 0 auto;
  text-align: center;
}

.text-center {
  text-align: center;
}

/* --- Monochromatic Glass Cards --- */
.glass-bw {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}

.glass-bw:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-elevation), var(--shadow-bw-glow);
}

/* --- Top Bar --- */
.top-bar {
  background: var(--bg-obsidian);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  padding: 8px 0;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-muted);
}

.location-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.location-badge i {
  color: var(--text-white);
}

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 12px;
}

.top-bar-contact a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.sep {
  color: var(--text-dim);
}

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 18px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-box-bw {
  width: 38px;
  height: 38px;
  background: var(--text-white);
  color: var(--bg-black);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.25rem;
}

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

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text-white);
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.25s ease;
}

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

.highlight-link {
  color: var(--text-white);
  font-weight: 700;
  border-bottom: 1px solid var(--text-white);
}

.btn-bw-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--text-white);
  color: var(--bg-black);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-xs);
  text-decoration: none;
  border: 1px solid var(--text-white);
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-bw-primary:hover {
  background: #e4e4e7;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
}

/* --- HERO BANNER WITH YOUTUBE BACKGROUND VIDEO & BLACK OVERLAY --- */
.hero-banner-video {
  position: relative;
  width: 100%;
  min-height: 85vh;
  display: flex;
  align-items: flex-end; /* Bottom alignment for left block */
  padding: 80px 0 90px;
  overflow: hidden;
  background-color: #000000;
  border-bottom: 1px solid var(--border-subtle);
}

/* YouTube Video Wrap & Strict Pointer Event Disabling (No Controls Allowed) */
.hero-youtube-wrap {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: none !important;
}

.hero-youtube-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 56.25vw;
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%) scale(1.35);
  pointer-events: none !important;
  filter: brightness(0.65) contrast(1.15) grayscale(15%);
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.65) 50%, rgba(0, 0, 0, 0.9) 100%);
  backdrop-filter: blur(2px);
  pointer-events: none !important;
}

.hero-video-content-wrap {
  position: relative;
  z-index: 3;
  width: 100%;
  display: flex;
  align-items: flex-end;
}

.hero-video-left-block {
  max-width: 760px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
  width: fit-content;
}

.hero-black-headline {
  font-family: 'Poppins', sans-serif;
  font-size: 2.85rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.8px;
  color: #ffffff;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.grey-text-dark {
  color: #a1a1aa;
  font-family: 'Poppins', sans-serif;
  font-weight: 400;
}

.hero-black-subtitle {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: #e4e4e7;
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 36px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.hero-black-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Pill Buttons */
.btn-pill-white {
  background: #ffffff;
  color: #000000;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 34px;
  border-radius: 9999px;
  text-decoration: none;
  transition: all 0.25s ease;
  border: 1px solid #ffffff;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.25);
}

.btn-pill-white:hover {
  background: #e4e4e7;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.4);
}

.btn-pill-outline-white {
  background: rgba(0, 0, 0, 0.4);
  color: #ffffff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 34px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
}

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

/* --- Ticker Marquee --- */
.ticker-section {
  background: #000000;
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 0;
  overflow: hidden;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
  user-select: none;
}

.ticker-content {
  display: flex;
  align-items: center;
  gap: 40px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  animation: marqueeBW 30s linear infinite;
}

.ticker-content i {
  font-size: 0.5rem;
  color: var(--text-white);
}

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

/* --- Services Showcase Grid --- */
.services-section {
  padding: 120px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

/* Full-Width 4th Service Card */
.service-card-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: stretch;
}

.service-card-wide .service-img-wrap {
  height: 100%;
  min-height: 280px;
}

.service-card-wide .service-content-body {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.wide-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.service-img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  cursor: pointer;
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.4s ease, filter 0.4s ease;
}

.service-card:hover .service-img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.img-hover-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover .img-hover-overlay {
  opacity: 1;
}

.expand-icon {
  background: var(--text-white);
  color: var(--bg-black);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--bg-black);
  border: 1px solid var(--border-bright);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
}

.service-content-body {
  padding: 28px 24px;
}

.service-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.service-list {
  list-style: none;
  margin-bottom: 24px;
}

.service-list li {
  font-size: 0.875rem;
  color: var(--text-silver);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.service-list i {
  color: var(--text-white);
  font-size: 0.75rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.2s ease;
}

.card-link:hover {
  transform: translateX(4px);
}

/* --- Interactive Portfolio Gallery & Category Filter Tabs --- */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.filter-tab {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.25s ease;
}

.filter-tab:hover {
  color: var(--text-white);
  border-color: var(--border-bright);
  background: rgba(255, 255, 255, 0.12);
}

.filter-tab.active {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.gallery-item {
  height: 340px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.gallery-item.hide-item {
  display: none !important;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1), filter 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
  filter: grayscale(0%);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 28px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 10%, rgba(0,0,0,0.4) 70%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  transition: transform 0.35s ease;
}

.gallery-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.gallery-overlay h4 {
  font-size: 1.25rem;
  color: var(--text-white);
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: var(--text-silver);
}

.btn-gallery-view {
  align-self: flex-start;
  margin-top: 10px;
  background: var(--text-white);
  color: var(--bg-black);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- Architectural Comparison Section --- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 40px;
}

.comparison-card {
  padding: 40px 32px;
}

.legacy-card {
  border-color: rgba(255, 255, 255, 0.08);
}

.prime-card {
  border-color: var(--text-white);
  box-shadow: var(--shadow-bw-glow);
}

.comp-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  margin-bottom: 16px;
}

.legacy-badge {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
}

.prime-badge {
  background: var(--text-white);
  color: var(--bg-black);
}

.comparison-card h3 {
  font-size: 1.5rem;
  margin-bottom: 24px;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comp-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.legacy-card li { color: var(--text-muted); }
.legacy-card i { color: #71717a; }

.prime-card li { color: var(--text-white); font-weight: 600; }
.prime-card i { color: var(--text-white); }

/* --- Why Choose Us --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.why-card {
  padding: 36px 28px;
}

.why-icon-bw {
  width: 48px;
  height: 48px;
  background: var(--text-white);
  color: var(--bg-black);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
}

.why-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Pricing Section (ALL 6 PRICING CARDS VISIBLE) --- */
.pricing-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin-bottom: 50px;
}

.billing-switch-box {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card-solid);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.switch-lbl {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.tag-bw {
  background: var(--text-white);
  color: var(--bg-black);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  margin-left: 6px;
}

.switch-bw {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.switch-bw input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider-bw {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--bg-black);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  transition: .3s;
}

.slider-bw:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-white);
  border-radius: 50%;
  transition: .3s;
}

input:checked + .slider-bw:before {
  transform: translateX(24px);
}

/* All 6 Pricing Grid */
.pricing-grid-all6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pricing-card {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.featured-pricing {
  border-color: var(--text-white);
  box-shadow: var(--shadow-bw-glow);
}

.featured-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--text-white);
  color: var(--bg-black);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-badge-top {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.price-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.price-value-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.price-value-box .currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
}

.price-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-white);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-silver);
  margin-bottom: 12px;
}

.pricing-features i {
  color: var(--text-white);
  margin-top: 4px;
}

.btn-card-action {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: 14px 20px;
  border-radius: var(--radius-xs);
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-card-action:hover {
  background: var(--text-white);
  color: var(--bg-black);
  border-color: var(--text-white);
}

.btn-card-featured {
  background: var(--text-white);
  color: var(--bg-black);
}

/* --- Interactive Live Calculator (HIGH CONTRAST & RESPONSIVE) --- */
.calc-card {
  padding: 48px;
  border-color: var(--border-bright);
}

.calc-header {
  text-align: center;
  margin-bottom: 40px;
}

.calc-header h2 {
  font-size: 2.25rem;
  margin: 12px 0;
}

.calc-body {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calc-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
}

.radio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.radio-card {
  cursor: pointer;
  position: relative;
}

.radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.radio-box {
  background: var(--bg-black);
  border: 1px solid var(--border-subtle);
  padding: 18px 20px;
  border-radius: var(--radius-xs);
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  transition: all 0.25s ease;
}

.radio-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--text-muted);
  position: absolute;
  top: 18px;
  right: 18px;
  transition: all 0.25s ease;
}

.radio-card input:checked + .radio-box,
.radio-card.selected .radio-box {
  border-color: var(--text-white);
  background: var(--bg-card-solid);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.radio-card input:checked + .radio-box .radio-indicator,
.radio-card.selected .radio-box .radio-indicator {
  background: var(--text-white);
  border-color: var(--text-white);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.check-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-black);
  border: 1px solid var(--border-subtle);
  padding: 16px 20px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}

.check-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.check-square-icon {
  width: 20px;
  height: 20px;
  border: 1px solid var(--text-muted);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: transparent;
  background: transparent;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.check-card input:checked ~ .check-square-icon,
.check-card.checked .check-square-icon {
  background: var(--text-white);
  border-color: var(--text-white);
  color: var(--bg-black);
}

.check-card:hover {
  border-color: var(--border-bright);
}

.check-card.checked {
  border-color: var(--text-white);
  background: rgba(255,255,255,0.04);
}

.cb-label {
  flex-grow: 1;
  font-size: 0.95rem;
  color: var(--text-silver);
}

.cb-price {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-white);
}

/* Range Slider */
.slider-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-val-badge {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-white);
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-subtle);
}

.range-bw {
  width: 100%;
  -webkit-appearance: none;
  height: 6px;
  background: var(--border-subtle);
  outline: none;
  border-radius: 3px;
  cursor: pointer;
}

.range-bw::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--text-white);
  cursor: pointer;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Calc Total Banner */
.calc-total-banner {
  background: var(--bg-black);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-xs);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.banner-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.total-figure {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.total-figure .cur {
  font-size: 2rem;
  color: var(--text-white);
  font-weight: 700;
}

#calc-total-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-white);
}

.banner-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* --- Testimonial Dual Infinite Auto Sliders --- */
.testimonials-section {
  overflow: hidden;
}

.testimonial-sliders-wrap {
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-top: 40px;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.testimonial-track-row {
  display: flex;
  width: max-content;
  gap: 28px;
}

/* Row 1: Right to Left */
.track-scroll-left {
  animation: scrollMarqueeLeft 40s linear infinite;
}

/* Row 2: Left to Right */
.track-scroll-right {
  animation: scrollMarqueeRight 40s linear infinite;
}

.testimonial-track-row:hover {
  animation-play-state: paused;
}

@keyframes scrollMarqueeLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollMarqueeRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.testimonial-slider-card {
  width: 380px;
  flex-shrink: 0;
  padding: 32px 28px;
}

.stars-bw {
  color: var(--text-white);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}

.review-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-silver);
  margin-bottom: 24px;
  font-style: italic;
}

.client-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.client-avatar-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-bright);
}

.client-meta strong {
  display: block;
  font-size: 0.95rem;
}

.client-meta span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Contact Section --- */
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  padding: 56px;
}

.contact-left h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.contact-left p {
  color: var(--text-muted);
  margin-bottom: 36px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-black);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 1.1rem;
}

.contact-detail-item strong {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-detail-item p {
  margin-bottom: 0;
  color: var(--text-white);
  font-size: 0.95rem;
}

.exec-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.input-group input,
.input-group select,
.input-group textarea {
  background: var(--bg-black);
  border: 1px solid var(--border-subtle);
  padding: 14px 18px;
  border-radius: var(--radius-xs);
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s ease;
}

.input-group select option {
  background: var(--bg-card-solid);
  color: #fff;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
  border-color: var(--text-white);
}

.applied-quote-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--text-white);
  color: var(--text-white);
  padding: 12px 18px;
  border-radius: var(--radius-xs);
  font-family: var(--font-heading);
  font-weight: 700;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.btn-submit-exec {
  width: 100%;
  margin-top: 10px;
}

/* Modals */
.modal-backdrop-bw {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 100;
  padding: 24px;
}

.modal-backdrop-bw.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card-bw {
  padding: 40px;
  text-align: center;
  max-width: 460px;
  border-color: var(--text-white);
}

.modal-icon-bw {
  font-size: 3rem;
  color: var(--text-white);
  margin-bottom: 20px;
}

.modal-card-bw h3 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.modal-card-bw p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Interactive Lightbox Modal */
.lightbox-backdrop-bw {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 9999;
  padding: 24px;
}

.lightbox-backdrop-bw.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-card-bw {
  max-width: 900px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  padding: 32px;
  position: relative;
  border-color: var(--text-white);
  box-shadow: var(--shadow-elevation), var(--shadow-bw-glow);
}

.lightbox-close-btn {
  position: absolute;
  top: 16px; right: 20px;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 2.2rem;
  cursor: pointer;
  line-height: 1;
}

.lightbox-img-box {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.lightbox-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lightbox-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.lightbox-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.lightbox-info h3 {
  font-size: 1.75rem;
}

.lightbox-info p {
  color: var(--text-silver);
  font-size: 0.95rem;
  line-height: 1.6;
}

.lightbox-cta-btn {
  margin-top: 10px;
}

/* --- Footer --- */
.footer-bw {
  background: #000000;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 0;
}

.footer-grid-bw {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
}

.footer-tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 18px 0;
  max-width: 320px;
}

.corporate-meta p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.corporate-meta strong {
  color: var(--text-muted);
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--text-white);
}

.domain-badge-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-subtle);
  padding: 10px 18px;
  border-radius: var(--radius-xs);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-white);
}

.footer-bottom-bw {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 992px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-wide { grid-template-columns: 1fr; }
  .pricing-grid-all6 { grid-template-columns: repeat(2, 1fr); }
  .hero-black-headline { font-size: 2.25rem; }
  .comparison-grid { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; padding: 36px; }
  .lightbox-card-bw { grid-template-columns: 1fr; }
  .lightbox-img-box { height: 260px; }
  .footer-grid-bw { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
  .wide-features-grid { grid-template-columns: 1fr; }
  .pricing-grid-all6 { grid-template-columns: 1fr; }
  .nav-menu {
    position: fixed;
    top: 70px; left: 0; width: 100%;
    background: var(--bg-black);
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border-subtle);
    display: none;
  }
  .nav-menu.mobile-open { display: flex; }
  .mobile-toggle { display: block; }
  .hero-black-headline { font-size: 1.95rem; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .top-bar-content { justify-content: center; }
  .footer-grid-bw { grid-template-columns: 1fr; }
  .testimonial-slider-card { width: 300px; }
}