/* ============================================================
   NEXMIN TRADING — Sistema de Diseño Premium
   Paleta: Corporativa (Eerie Black, Portland Orange, Dark Gold)
   ============================================================ */

/* Fallback Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* @font-face for Power Grotesk and Regulator Nova (Load files in public/fonts/) */
@font-face {
    font-family: 'Power Grotesk';
    src: local('Power Grotesk'), local('PowerGrotesk-Regular'); /* Add url() to your .woff2 when available */
    font-weight: normal;
    font-style: normal;
}
@font-face {
    font-family: 'Regulator Nova';
    src: local('Regulator Nova'), local('RegulatorNova-Regular'); /* Add url() to your .woff2 when available */
    font-weight: normal;
    font-style: normal;
}

/* ─── Variables ─────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-base:        #18181A; /* Eerie Black */
  --bg-surface:     #1E1E21;
  --bg-elevated:    #242428;
  --bg-card:        #1E1E21;
  --bg-card-hover:  #242428;

  --amber:          #FF502B; /* Portland Orange */
  --amber-dark:     #E03D1A;
  --amber-light:    #FF785B;
  
  --gold:           #A8762D; /* Dark Gold */
  
  --blue:           #3B82F6;
  --blue-dark:      #2563EB;
  --steel:          #4A5568;
  --steel-light:    #718096;

  --text-primary:   #FFFFFF; /* White */
  --text-secondary: #A1A1AA;
  --text-muted:     #71717A;
  --text-amber:     #FF502B;

  --border:         rgba(255,255,255,0.08);
  --border-amber:   rgba(255, 80, 43, 0.3);
  --border-hover:   rgba(255, 80, 43, 0.6);

  --glass-bg:       rgba(30, 30, 33, 0.8);
  --glass-border:   rgba(255,255,255,0.08);

  /* Typography */
  --font-heading: 'Power Grotesk', 'Space Grotesk', sans-serif;
  --font-body:    'Regulator Nova', 'Inter', sans-serif;

  /* Spacing */
  --container-max: 1280px;
  --section-py:    5rem;

  /* Shadows */
  --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
  --shadow-amber: 0 0 30px rgba(255, 80, 43, 0.18);
  --shadow-glow:  0 0 60px rgba(255, 80, 43, 0.08);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.5);

  /* Radii */
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-fast: all 0.15s ease;
}

body.light-theme {
  --bg-base:        #F4F4F5; /* Very light gray */
  --bg-surface:     #FFFFFF; /* White */
  --bg-elevated:    #F8FAFC;
  --bg-card:        #FFFFFF;
  --bg-card-hover:  #F1F5F9;

  /* Colors stay the same but we ensure contrast */
  --amber:          #FF502B; /* Portland Orange */
  --amber-dark:     #D43E1F;
  --amber-light:    #FF785B;
  
  --gold:           #A8762D; /* Dark Gold */

  --text-primary:   #18181B; /* Dark text */
  --text-secondary: #52525B;
  --text-muted:     #A1A1AA;
  --text-amber:     #FF502B;

  --border:         rgba(0,0,0,0.1);
  --border-amber:   rgba(255, 80, 43, 0.4);
  --border-hover:   rgba(255, 80, 43, 0.7);

  --glass-bg:       rgba(255, 255, 255, 0.85);
  --glass-border:   rgba(0,0,0,0.05);

  --shadow-card:  0 4px 15px rgba(0,0,0,0.05);
  --shadow-lg:    0 20px 40px rgba(0,0,0,0.1);
}

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

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

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

/* ─── Utility Classes ───────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-py { padding: var(--section-py) 0; }
.text-amber  { color: var(--amber); }
.text-muted  { color: var(--text-secondary); }
.text-center { text-align: center; }
.fw-bold     { font-weight: 700; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #0D1117;
  border-color: var(--amber);
  box-shadow: 0 4px 20px rgba(246,166,35,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--amber-light), var(--amber));
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(246,166,35,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--amber);
  border-color: var(--amber);
}
.btn-outline:hover {
  background: var(--amber);
  color: #0D1117;
  box-shadow: 0 4px 20px rgba(246,166,35,0.3);
}

.btn-ghost {
  background: var(--glass-bg);
  color: var(--text-primary);
  border-color: var(--glass-border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--border-amber);
}

.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.8rem; }
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }

/* ─── Section Headers ───────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--amber);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-title span { color: var(--amber); }

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 560px;
  line-height: 1.7;
}

/* ─── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-amber);
  box-shadow: var(--shadow-card), var(--shadow-amber);
}

/* ─── Badge ─────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-amber  { background: rgba(246,166,35,0.15); color: var(--amber); border: 1px solid var(--border-amber); }
.badge-blue   { background: rgba(59,130,246,0.15); color: var(--blue);  border: 1px solid rgba(59,130,246,0.3); }
.badge-green  { background: rgba(52,211,153,0.15); color: #34D399;      border: 1px solid rgba(52,211,153,0.3); }

/* ─── Divider ───────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* ─── Glassmorphism ─────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}

/* ═══════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

body.light-theme .navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
}
.navbar-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: #0D1117;
  flex-shrink: 0;
}
.navbar-logo span { color: var(--amber); }

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: 4rem;
  margin-right: auto;
}

.navbar-link {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
}
.navbar-link:hover,
.navbar-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}
.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 16px; height: 2px;
  background: var(--amber);
  border-radius: 2px;
}

.navbar-cta {
  margin-left: 0.5rem;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  outline: none;
}
.navbar-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Mobile Nav */
.navbar-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 999;
  padding: 6rem 2rem 2rem;
  flex-direction: column;
  gap: 1rem;
}
.navbar-mobile.open { display: flex; }
.navbar-mobile .navbar-link {
  font-size: 1.2rem;
  padding: 1rem;
  color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  transform-origin: center;
  will-change: transform;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,17,23,0.92) 0%,
    rgba(13,17,23,0.75) 50%,
    rgba(13,17,23,0.85) 100%
  );
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--amber);
  border-radius: 50%;
  animation: floatParticle linear infinite;
  opacity: 0;
}

@keyframes floatParticle {
  0%   { transform: translateY(100vh) translateX(0);   opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-20px) translateX(40px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(246,166,35,0.1);
  border: 1px solid var(--border-amber);
  border-radius: 100px;
  padding: 0.4rem 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease both;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--amber);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-title .accent {
  color: var(--amber);
  display: block;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(230,237,243,0.75);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 540px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  animation: fadeInUp 0.8s 0.8s ease both;
}
.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ─── Split Hero Layout ───────────────────────────────────── */
.hero-container {
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
  padding: 6.5rem 0 3.5rem;
}

.hero-image-column {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  animation: fadeIn 1s 0.6s ease both;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-amber);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-amber);
  transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
  transition: var(--transition);
}

.hero-image-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
  border-color: var(--amber);
  box-shadow: var(--shadow-card), 0 0 40px rgba(246,166,35,0.3);
}

.hero-image-glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle, rgba(246,166,35,0.18) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero-showcase-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
  position: relative;
  transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-showcase-img {
  transform: scale(1.05);
}

.hero-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(13,17,23,0.96) 0%, rgba(13,17,23,0.4) 70%, transparent 100%);
  padding: 1.5rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-image-badge {
  align-self: flex-start;
}

.hero-image-caption {
  font-size: 0.88rem;
  color: #FFFFFF;
  font-weight: 600;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

@media (min-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4.5rem;
    padding: 9rem 0 5rem;
  }
}

@media (max-width: 1199px) {
  .hero-content {
    margin: 0 auto;
    text-align: center;
    max-width: 650px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
  z-index: 2;
  animation: bounce 2s ease infinite;
}
.hero-scroll-indicator::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--amber), transparent);
}

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

@media (max-height: 800px) {
  .hero-scroll-indicator {
    display: none !important;
  }
}

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ═══════════════════════════════════════════════════════════
   STATS BAND
═══════════════════════════════════════════════════════════ */
.stats-band {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item { padding: 1rem; }
.stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--amber);
  line-height: 1;
  display: block;
}
.stat-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════════════════
   PRODUCT CARD
═══════════════════════════════════════════════════════════ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-amber);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(246,166,35,0.1);
}
.product-card:hover .product-img {
  transform: scale(1.05);
}

.product-img-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--bg-elevated);
}
.product-img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}
.product-img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
}
.product-img-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.3;
  color: var(--amber);
}

.product-featured-badge {
  position: absolute;
  top: 1rem; right: 1rem;
}

.product-category-badge {
  position: absolute;
  top: 1rem; left: 1rem;
}

.product-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.product-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.product-meta-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.product-footer {
  display: flex;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.product-footer .btn { flex: 1; justify-content: center; }

/* ═══════════════════════════════════════════════════════════
   CATEGORY TABS
═══════════════════════════════════════════════════════════ */
.category-filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.cat-filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
  letter-spacing: 0.04em;
}
.cat-filter-btn:hover,
.cat-filter-btn.active {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(246,166,35,0.08);
}

/* ═══════════════════════════════════════════════════════════
   PROJECT CARD
═══════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
}
.project-card-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,17,23,0.95) 0%, rgba(13,17,23,0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  transition: var(--transition);
}
.project-card:hover .project-card-img { transform: scale(1.08); }
.project-card:hover .project-card-overlay {
  background: linear-gradient(to top, rgba(13,17,23,0.98) 0%, rgba(13,17,23,0.7) 60%, rgba(13,17,23,0.2) 100%);
}

.project-year {
  font-family: var(--font-heading);
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.project-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.project-location {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.project-arrow {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px; height: 36px;
  background: rgba(246,166,35,0.15);
  border: 1px solid var(--border-amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition);
  color: var(--amber);
}
.project-card:hover .project-arrow {
  opacity: 1;
  transform: scale(1);
}

/* ═══════════════════════════════════════════════════════════
   BLOG CARD
═══════════════════════════════════════════════════════════ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-amber);
  box-shadow: var(--shadow-card);
}

.blog-card-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg-elevated);
}
.blog-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-img img { transform: scale(1.05); }

.blog-card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.blog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  flex: 1;
}
.blog-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-read-more {
  color: var(--amber);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-fast);
}
.blog-read-more:hover { gap: 0.7rem; }

/* ═══════════════════════════════════════════════════════════
   SERVICES GRID
═══════════════════════════════════════════════════════════ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--amber-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-amber);
  box-shadow: var(--shadow-card);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 56px; height: 56px;
  background: rgba(246,166,35,0.1);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: rgba(246,166,35,0.2);
}
.service-icon-wrap svg {
  width: 26px; height: 26px;
  color: var(--amber);
}

.service-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.service-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.service-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.service-feature::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--amber);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   TESTIMONIALS / CLIENTS
═══════════════════════════════════════════════════════════ */
.clients-band {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 2.5rem 0;
  overflow: hidden;
}
.clients-label {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.clients-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.client-logo {
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
  filter: grayscale(1);
  opacity: 0.5;
}
.client-logo:hover { filter: none; opacity: 1; color: var(--amber); }

/* ═══════════════════════════════════════════════════════════
   CONTACT FORM
═══════════════════════════════════════════════════════════ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
  width: 42px; height: 42px;
  background: rgba(246,166,35,0.1);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  flex-shrink: 0;
}
.contact-info-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.contact-info-value {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-control {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}
.form-control:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(246,166,35,0.12);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { min-height: 140px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-error { color: #F87171; font-size: 0.8rem; margin-top: 0.3rem; }

/* ═══════════════════════════════════════════════════════════
   ABOUT PAGE
═══════════════════════════════════════════════════════════ */
.about-hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, var(--bg-base) 0%, var(--bg-surface) 100%);
  border-bottom: 1px solid var(--border);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-amber);
}
.team-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
  border: 2px solid var(--border-amber);
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--amber);
}
.team-name {
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.team-role { color: var(--amber); font-size: 0.85rem; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
}
.value-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--amber);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 0.75rem;
}

/* ═══════════════════════════════════════════════════════════
   PAGE HERO (sub-pages)
═══════════════════════════════════════════════════════════ */
.page-hero {
  padding: 7rem 0 3.5rem;
  background: linear-gradient(135deg, var(--bg-base) 0%, var(--bg-surface) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(246,166,35,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--text-secondary); transition: var(--transition-fast); }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb-sep { color: var(--text-muted); }

/* ═══════════════════════════════════════════════════════════
   PRODUCT DETAIL
═══════════════════════════════════════════════════════════ */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.product-gallery {
  position: sticky;
  top: 5rem;
}
.product-gallery-main {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.product-gallery-main img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.product-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}
.product-gallery-thumb {
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition-fast);
}
.product-gallery-thumb:hover,
.product-gallery-thumb.active { border-color: var(--amber); }
.product-gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }

.product-specs-table {
  width: 100%;
  border-collapse: collapse;
}
.product-specs-table tr { border-bottom: 1px solid var(--border); }
.product-specs-table td {
  padding: 0.75rem 0;
  font-size: 0.9rem;
}
.product-specs-table td:first-child {
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  width: 40%;
}
.product-specs-table td:last-child { color: var(--text-primary); }

/* ═══════════════════════════════════════════════════════════
   CTA SECTION
═══════════════════════════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(246,166,35,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.cta-subtitle { color: var(--text-secondary); margin-bottom: 2rem; font-size: 1.05rem; }
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 1rem 0 1.5rem;
  max-width: 300px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.25rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.65rem; }
.footer-link {
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.footer-link:hover { color: var(--amber); padding-left: 4px; }

.social-links { display: flex; gap: 0.75rem; }
.social-link {
  width: 36px; height: 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  font-size: 0.9rem;
}
.social-link:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(246,166,35,0.08);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════
   ADMIN PANEL
═══════════════════════════════════════════════════════════ */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--bg-base);
}

.admin-sidebar {
  width: 260px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.admin-sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.admin-nav { padding: 1rem 0; }
.admin-nav-section {
  padding: 0.5rem 1.5rem 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition-fast);
  border-left: 2px solid transparent;
}
.admin-nav-item:hover,
.admin-nav-item.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  border-left-color: var(--amber);
}
.admin-nav-item.active { color: var(--amber); }
.admin-nav-icon {
  width: 18px; height: 18px;
  opacity: 0.7;
}

.admin-main {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-content { padding: 2rem; flex: 1; }

.admin-page-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.75rem;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.admin-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.admin-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.admin-stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
}

/* Admin Table */
.admin-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
}
.admin-table th {
  background: var(--bg-elevated);
  padding: 0.85rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }

/* Admin Form */
.admin-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 800px;
}

.admin-menu-toggle { display: none; }
.admin-sidebar-overlay { display: none; }

/* ═══════════════════════════════════════════════════════════
   ALERTS
═══════════════════════════════════════════════════════════ */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.alert-success {
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.25);
  color: #34D399;
}
.alert-error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.25);
  color: #F87171;
}

/* ═══════════════════════════════════════════════════════════
   PAGINATION
═══════════════════════════════════════════════════════════ */
.pagination {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 3rem;
}
.page-btn {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}
.page-btn:hover,
.page-btn.active {
  background: var(--amber);
  border-color: var(--amber);
  color: #0D1117;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --section-py: 3.5rem; }

  .navbar-menu, .navbar-cta { display: none; }
  .navbar-toggle { display: flex; }

  .hero-title { font-size: 2.5rem; }
  .hero-stats { gap: 1.5rem; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .product-grid,
  .projects-grid,
  .blog-grid,
  .services-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .form-row { grid-template-columns: 1fr; }

  .cta-section { padding: 2.5rem 1.5rem; }

  .admin-sidebar {
    left: -260px;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    z-index: 1010;
    position: fixed;
    top: 0; bottom: 0;
  }
  .admin-sidebar.open {
    left: 0;
  }
  .admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1005;
  }
  .admin-sidebar-overlay.open {
    display: block;
  }
  .admin-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
  }
  .admin-menu-toggle:hover {
    background: rgba(255,255,255,0.06);
  }
  .admin-main { margin-left: 0; }
  .admin-topbar { padding: 1rem; }
  .admin-content { padding: 1.25rem 1rem; }

  .admin-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .hero-stats { display: none; }
}

/* ─── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--steel); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber); }

/* ─── Selection ─────────────────────────────────────────── */
::selection { background: rgba(246,166,35,0.25); color: var(--text-primary); }

/* ─── Floating WhatsApp Button ─────────────────────────── */
.whatsapp-float {
  position: fixed;
  width: 56px;
  height: 56px;
  bottom: 24px;
  right: 24px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), 0 0 20px rgba(37, 211, 102, 0.2);
  z-index: 9999;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover {
  background-color: #128C7E;
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 24px rgba(18, 140, 126, 0.3);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* ─── Light Theme Overrides ────────────────────────────── */
body.light-theme {
  --bg-base:        #F5F7FA;
  --bg-surface:     #FFFFFF;
  --bg-elevated:    #E9ECEF;
  --bg-card:        #FFFFFF;
  --bg-card-hover:  #F8F9FA;

  --text-primary:   #1A202C;
  --text-secondary: #4A5568;
  --text-muted:     #718096;

  --border:         rgba(0, 0, 0, 0.08);
  --border-amber:   rgba(0, 223, 137, 0.4);
  --border-hover:   rgba(0, 223, 137, 0.7);

  --glass-bg:       rgba(255, 255, 255, 0.85);
  --glass-border:   rgba(0, 0, 0, 0.08);
  
  color: var(--text-primary);
  background-color: var(--bg-base);
}

body.light-theme .hero-bg::after {
  background: linear-gradient(
    135deg,
    rgba(245, 247, 250, 0.94) 0%,
    rgba(245, 247, 250, 0.82) 50%,
    rgba(245, 247, 250, 0.90) 100%
  );
}
body.light-theme .hero-subtitle {
  color: var(--text-secondary);
}
body.light-theme .navbar {
  border-bottom-color: var(--border);
}
body.light-theme .footer {
  background: #E9ECEF;
  border-top-color: var(--border);
}
body.light-theme .footer-bottom {
  border-top-color: var(--border);
  color: var(--text-secondary);
}
body.light-theme .navbar-logo-icon {
  background: var(--amber-dark);
  color: #FFFFFF;
}
body.light-theme .service-card, 
body.light-theme .product-card {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
body.light-theme .product-card-body {
  background: var(--bg-surface);
}
body.light-theme .product-spec-row:nth-child(even) {
  background: var(--bg-elevated);
}
body.light-theme .navbar-mobile {
  background: var(--bg-surface);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}
.logo-dark.has-light { transition: opacity 0.3s; }
.logo-dark.has-light { transition: opacity 0.3s; }
.logo-light { transition: opacity 0.3s; }
body.light-theme .logo-dark.has-light { display: none !important; }
body.light-theme .logo-light { display: block !important; }