/* ==========================================================================
   A&S ELECTROPLATERS & ENGINEERING - MINIMALIST SLEEK PORTFOLIO STYLESHEET
   Precision Industrial Aesthetic | Modern Vanilla CSS
   ========================================================================== */

:root {
  /* Color Palette - Titanium & Galvanic Accents */
  --bg-primary: #0a0c10;
  --bg-surface: #12161f;
  --bg-surface-elevated: #1a202c;
  --bg-surface-glass: rgba(18, 22, 31, 0.75);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.2);
  --border-accent: rgba(249, 115, 22, 0.4);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Galvanic Brand Accents (Electroplating Theme) */
  --accent-copper: #f97316;       /* Warm galvanic copper */
  --accent-copper-glow: rgba(249, 115, 22, 0.25);
  --accent-cyan: #06b6d4;         /* Electric cathodic cyan */
  --accent-cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-zinc: #38bdf8;
  --accent-success: #10b981;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* Spacing & Transitions */
  --nav-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px -5px var(--accent-copper-glow);
}

/* Light Theme Mode */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.2);
  --border-accent: rgba(234, 88, 12, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --accent-copper: #ea580c;
  --accent-copper-glow: rgba(234, 88, 12, 0.2);
  --accent-cyan: #0284c7;
  --accent-cyan-glow: rgba(2, 132, 199, 0.2);

  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.06);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* Modern Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

p {
  color: var(--text-secondary);
  text-wrap: pretty;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6.5rem 0;
}

/* Grid & Layout */
.grid {
  display: grid;
  gap: 1.5rem;
}

/* Section Header Component */
.section-header {
  margin-bottom: 3.5rem;
  max-width: 680px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-copper);
  border: 1px solid var(--border-accent);
  margin-bottom: 1rem;
}

.badge-tag.cyan {
  background: rgba(6, 182, 212, 0.1);
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.3);
}

.badge-tag.live {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 10px var(--accent-success);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.075rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

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

.brand-name {
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  font-size: 1.05rem;
}

.brand-sub {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-copper);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-copper);
  transition: width var(--transition-fast);
}

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

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

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* Sleek Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-copper);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
  background: #ea580c;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
}

.btn-outline {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-elevated);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + 3rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-backdrop-glow {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 650px;
  height: 450px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.12) 0%, rgba(6, 182, 212, 0.06) 45%, transparent 75%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-headline {
  font-size: clamp(2.6rem, 4.8vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 1.35rem;
}

.hero-headline .gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-copper) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.22rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3.25rem;
}

/* Stats Ribbon */
.hero-stats-ribbon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.stat-value span {
  color: var(--accent-copper);
}

.stat-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.35rem;
}

/* Hero Visual Showcase */
.hero-visual-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.hero-visual-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.hero-image-wrapper {
  position: relative;
  border-radius: calc(var(--radius-lg) - 6px);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: #0f1218;
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.hero-overlay-tag {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  padding: 1rem 1.25rem;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-tag-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
}

.hero-tag-desc {
  font-size: 0.72rem;
  color: #94a3b8;
}

.hero-tag-pill {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(249, 115, 22, 0.2);
  color: var(--accent-copper);
  border: 1px solid rgba(249, 115, 22, 0.35);
}

/* ==========================================================================
   SERVICES & CAPABILITIES SECTION
   ========================================================================== */
.services-section {
  background: var(--bg-surface);
  position: relative;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-copper), var(--accent-cyan));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 35px -8px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-copper);
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: rgba(249, 115, 22, 0.15);
  border-color: var(--border-accent);
  color: var(--accent-copper);
  transform: scale(1.05);
}

.service-icon-box svg {
  width: 26px;
  height: 26px;
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.service-feature-item {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.service-feature-item svg {
  width: 14px;
  height: 14px;
  color: var(--accent-copper);
  flex-shrink: 0;
}

/* ==========================================================================
   PORTFOLIO & WORK GALLERY (THE CORE SHOWCASE)
   ========================================================================== */
.portfolio-section {
  position: relative;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.55rem 1.2rem;
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background: var(--accent-copper);
  color: #ffffff;
  border-color: var(--accent-copper);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.portfolio-grid {
  grid-template-columns: repeat(auto-fill, minmax(285px, 1fr));
  gap: 1.75rem;
}

.portfolio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.portfolio-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6);
}

.portfolio-img-box {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #0d1017;
}

.portfolio-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.portfolio-badge {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  background: rgba(10, 12, 16, 0.8);
  backdrop-filter: blur(8px);
  color: #f1f5f9;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.portfolio-zoom-icon {
  position: absolute;
  inset: 0;
  background: rgba(10, 12, 16, 0.4);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.portfolio-card:hover .portfolio-zoom-icon {
  opacity: 1;
}

.portfolio-zoom-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(249, 115, 22, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(0.8);
  transition: transform var(--transition-bounce);
}

.portfolio-card:hover .portfolio-zoom-circle {
  transform: scale(1);
}

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

.portfolio-category-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-copper);
  margin-bottom: 0.4rem;
}

.portfolio-item-title {
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.portfolio-item-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.portfolio-specs-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.9rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.portfolio-specs-row span strong {
  color: var(--text-primary);
}

/* ==========================================================================
   TECHNICAL PROCESS MATRIX (COMPARISON TABLE)
   ========================================================================== */
.matrix-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  box-shadow: var(--shadow-subtle);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.spec-table th {
  background: var(--bg-surface-elevated);
  padding: 1.1rem 1.4rem;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.spec-table td {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.spec-table .metal-name {
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rating-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
}

.rating-max {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.rating-high {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.rating-medium {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

/* ==========================================================================
   QUOTE ESTIMATOR / SPECIFICATION BUILDER
   ========================================================================== */
.estimator-section {
  position: relative;
}

.estimator-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-subtle);
}

.estimator-step {
  margin-bottom: 2rem;
}

.estimator-step:last-child {
  margin-bottom: 0;
}

.estimator-step-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-copper);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.option-pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.65rem;
}

.option-pill {
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.option-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.option-pill.selected {
  background: rgba(249, 115, 22, 0.15);
  border-color: var(--accent-copper);
  color: var(--accent-copper);
  font-weight: 700;
}

/* Quote Summary Box */
.quote-summary-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.summary-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.summary-rows {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
}

.summary-row-label {
  color: var(--text-muted);
}

.summary-row-val {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ==========================================================================
   ABOUT & STANDARDS SECTION
   ========================================================================== */
.about-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

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

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.about-feature-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.about-feature-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.about-feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.about-feature-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.about-visual {
  position: relative;
}

.about-img-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-subtle);
}

.about-cert-card {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cert-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTACT & LOCATION SECTION
   ========================================================================== */
.contact-section {
  position: relative;
}

.contact-grid {
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--transition-fast);
}

.contact-info-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  color: var(--accent-copper);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-content {
  display: flex;
  flex-direction: column;
}

.contact-card-label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-card-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-card-val a:hover {
  color: var(--accent-copper);
}

.direct-team-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.direct-team-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.86rem;
}

.team-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.45rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-subtle);
}

.form-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.form-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

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

.form-group.full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-copper);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

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

/* ==========================================================================
   INTERACTIVE LIGHTBOX MODAL
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(8, 10, 14, 0.92);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

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

.lightbox-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 980px;
  width: 100%;
  max-height: 90vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-bounce);
}

.lightbox-modal.active .lightbox-dialog {
  transform: scale(1);
}

.lightbox-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.lightbox-close-btn:hover {
  background: var(--accent-copper);
  color: #ffffff;
}

.lightbox-img-wrapper {
  background: #090b0e;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.lightbox-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-height: 70vh;
}

.lightbox-details {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.modal-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-copper);
  margin-bottom: 0.5rem;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.modal-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.modal-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
  margin-bottom: 1.75rem;
}

.modal-spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.modal-spec-label {
  color: var(--text-muted);
}

.modal-spec-val {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin: 1.25rem 0;
  max-width: 340px;
}

.footer-heading {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.35rem;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.86rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--accent-copper);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

/* Floating WhatsApp Quick Action Button */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.55);
}

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

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual-card {
    max-width: 600px;
    margin: 0 auto;
  }
  .about-grid,
  .contact-grid,
  .estimator-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
  .hero-stats-ribbon {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .lightbox-dialog {
    grid-template-columns: 1fr;
    max-height: 85vh;
  }
  .lightbox-img-wrapper {
    max-height: 300px;
  }
  .lightbox-details {
    padding: 1.5rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .estimator-container {
    padding: 1.5rem;
  }
  .contact-form-box {
    padding: 1.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}