/* =============================================
   SLA Coating LLC — Industrial Dark Theme
   ============================================= */

:root {
  --primary:      #f97316;
  --primary-dark: #ea580c;
  --primary-glow: rgba(249,115,22,0.25);
  --gold:         #d4af37;
  --dark:         #0a0a0f;
  --dark-2:       #111118;
  --dark-3:       #1a1a24;
  --dark-4:       #252535;
  --dark-5:       #32324a;
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-dim:     #64748b;
  --border:       rgba(249,115,22,0.15);
  --border-soft:  rgba(255,255,255,0.06);
  --radius:       12px;
  --radius-lg:    20px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:    0 12px 48px rgba(0,0,0,0.5);
  --transition:   0.3s cubic-bezier(0.4,0,0.2,1);
  --navbar-h:     76px;
  --font-body:    'Nunito Sans', sans-serif;
  --font-display: 'Nunito Sans', sans-serif;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== PRELOADER ===== */
.preloader {
  position: fixed; inset: 0;
  background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-inner { text-align: center; }
.preloader-logo {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}
.preloader-bar {
  width: 160px; height: 3px;
  background: var(--dark-4); border-radius: 99px;
  overflow: hidden; margin: 0 auto;
}
.preloader-logo-img {
  height: 80px; max-width: 260px; object-fit: contain;
  margin-bottom: 1.5rem; display: block; margin-left: auto; margin-right: auto;
}
.preloader-logo-svg {
  margin-bottom: 1.5rem;
}
.preloader-fill {
  height: 100%;
  background: #ffffff;
  border-radius: 99px;
  animation: loadFill 1.2s ease forwards;
}
@keyframes loadFill { from { width: 0 } to { width: 100% } }

/* ===== LAYOUT ===== */
.container {
  width: 100%; max-width: 1240px;
  margin: 0 auto; padding: 0 24px;
}
.section-pad { padding: 100px 0; }
.section-pad-sm { padding: 60px 0; }

/* ===== TYPOGRAPHY ===== */
.section-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-glow);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 99px;
  margin-bottom: 1rem;
}
.section-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}
.section-title span { color: var(--primary); }
.section-subtitle {
  font-size: 1.05rem; color: var(--text-muted);
  max-width: 560px; margin-top: 0.75rem;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0.75rem auto 0; }
.services-header .section-subtitle,
.why-header .section-subtitle,
.projects-header .section-subtitle {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.925rem; font-weight: 600;
  padding: 13px 28px; border-radius: var(--radius);
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 0 0 0 var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-soft);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }
.btn svg { width: 18px; height: 18px; transition: transform 0.2s; }
.btn:hover svg { transform: translateX(3px); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000; height: var(--navbar-h);
  display: flex; align-items: center;
  transition: var(--transition);
}
.navbar .container {
  display: flex; align-items: center;
  justify-content: space-between; gap: 2rem;
}
.navbar.scrolled {
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

/* Brand */
.navbar-brand, .footer-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.brand-icon svg { width: 38px; height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 700; color: var(--text);
}
.brand-tagline {
  font-size: 0.65rem; font-weight: 500;
  color: var(--primary); letter-spacing: 0.08em;
}

/* Nav links */
.navbar-menu {
  display: flex; align-items: center; gap: 0.25rem;
  flex: 1; justify-content: center;
}
.nav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  padding: 8px 14px; border-radius: 8px;
  transition: var(--transition); position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: var(--border-soft); }
.nav-link.active::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--primary);
}

/* Navbar actions */
.navbar-actions { display: flex; align-items: center; gap: 12px; }

/* Language dropdown */
.lang-dropdown { position: relative; }
.lang-drop-btn {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.8rem; font-weight: 700;
  padding: 7px 12px; border-radius: 8px;
  color: var(--text-muted);
  border: 1px solid var(--border-soft);
  background: transparent;
  transition: var(--transition);
  letter-spacing: 0.08em; cursor: pointer;
  font-family: var(--font-body);
}
.lang-drop-btn:hover { color: var(--text); border-color: var(--text-dim); }
.lang-drop-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  overflow: hidden;
  min-width: 80px;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 100;
}
.lang-dropdown.open .lang-drop-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-drop-item {
  display: block; padding: 9px 16px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-muted); letter-spacing: 0.08em;
  transition: background 0.15s, color 0.15s;
}
.lang-drop-item:hover { background: var(--dark-4); color: var(--text); }
.lang-drop-item.active { color: var(--primary); background: var(--primary-glow); }

/* Phone button */
.btn-phone {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary);
  color: white !important;
  font-size: 0.875rem; font-weight: 700;
  padding: 10px 20px; border-radius: 99px;
  transition: var(--transition);
  white-space: nowrap; letter-spacing: 0.01em;
  border: 2px solid transparent;
}
.btn-phone:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; padding: 6px; border-radius: 8px;
}
.hamburger span {
  display: block; height: 2px; border-radius: 99px;
  background: var(--text-muted); transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: var(--navbar-h);
}


/* Video background */
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-video-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,10,15,0.55) 0%, rgba(10,10,15,0.45) 60%, rgba(10,10,15,0.75) 100%),
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(249,115,22,0.08) 0%, transparent 60%);
  z-index: 1;
}

.hero .container { position: relative; z-index: 2; }
.hero-inner {
  display: flex; flex-direction: column;
  align-items: flex-start;
  padding: 10rem 0 4rem;
  max-width: 680px;
}

.hero-content { width: 100%; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary-glow); border: 1px solid var(--border);
  color: var(--primary); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 7px 16px; border-radius: 99px;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease both;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px;
  background: var(--primary); border-radius: 50%;
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 var(--primary-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: 60px;
  font-weight: 800; line-height: 1.08;
  letter-spacing: -0.04em; color: var(--text);
  animation: fadeInUp 0.7s 0.1s ease both;
}
.hero-title .accent {
  display: block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--gold) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-title .stroke-text {
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.25);
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem; color: var(--text-muted);
  line-height: 1.7; margin: 1.5rem 0 2.5rem;
  animation: fadeInUp 0.7s 0.2s ease both;
}

/* ─── Hero Slider ─── */
.hero-slider { position: relative; }
.hero-slide {
  display: none;
  animation: fadeInUp 0.6s ease both;
}
.hero-slide.active { display: block; }
.hero-slide-desc {
  font-size: 1rem; color: rgba(255,255,255,0.65);
  line-height: 1.75; margin: 1.25rem 0 2rem;
  max-width: 540px;
}
.hero-slider-dots {
  display: flex; gap: 8px; margin-top: 2rem;
}
.hero-dot {
  width: 28px; height: 3px; border-radius: 99px;
  background: rgba(255,255,255,0.3);
  border: none; cursor: pointer;
  transition: background 0.3s, width 0.3s;
  padding: 0;
}
.hero-dot.active {
  background: var(--primary);
  width: 48px;
}

/* ─── Hero Buttons (over video) ─── */
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.925rem; font-weight: 700;
  padding: 13px 28px; border-radius: var(--radius);
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-hero-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}
.btn-hero-outline {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.925rem; font-weight: 700;
  padding: 13px 28px; border-radius: var(--radius);
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.55);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-hero-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
}
.btn-hero-primary svg,
.btn-hero-outline svg { width: 18px; height: 18px; transition: transform 0.2s; }
.btn-hero-primary:hover svg,
.btn-hero-outline:hover svg { transform: translateX(3px); }

.hero-actions {
  display: flex; flex-wrap: wrap; gap: 12px;
  animation: fadeInUp 0.7s 0.3s ease both;
}

.hero-scroll {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-dim); font-size: 0.8rem;
  margin-top: 3rem; animation: fadeInUp 0.7s 0.5s ease both;
}
.hero-scroll-line {
  width: 40px; height: 1px; background: var(--text-dim);
}
.hero-scroll-dot {
  width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid var(--primary);
  animation: scrollBounce 2s ease infinite;
}
@keyframes scrollBounce {
  0%,100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(4px); opacity: 0.5; }
}

/* Hero visual side */
.hero-visual { display: none; }
.hero-card-stack { position: relative; }
.hero-main-card {
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(20px);
}
.hero-card-label {
  font-size: 0.75rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem;
}
.hero-card-bars { display: flex; flex-direction: column; gap: 12px; }
.bar-item { display: flex; flex-direction: column; gap: 6px; }
.bar-label {
  display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--text-muted);
}
.bar-track {
  height: 6px; background: var(--dark-5);
  border-radius: 99px; overflow: hidden;
}
.bar-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  animation: barGrow 1.5s ease forwards;
  transform-origin: left;
}
@keyframes barGrow { from { width: 0 } }

.hero-float-card {
  position: absolute;
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 12px 16px;
  backdrop-filter: blur(20px);
  white-space: nowrap;
}
.hero-float-card-1 {
  top: -20px; right: -20px;
  animation: float1 4s ease-in-out infinite;
}
.hero-float-card-2 {
  bottom: -16px; left: -20px;
  animation: float2 5s ease-in-out infinite;
}
@keyframes float1 {
  0%,100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-10px) rotate(0deg); }
}
@keyframes float2 {
  0%,100% { transform: translateY(0) rotate(1deg); }
  50% { transform: translateY(-8px) rotate(-0.5deg); }
}
.float-icon {
  width: 32px; height: 32px;
  background: var(--primary-glow); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); margin-bottom: 6px;
}
.float-icon svg { width: 16px; height: 16px; }
.float-val {
  font-family: var(--font-display);
  font-size: 1.2rem; font-weight: 700; color: var(--text);
  line-height: 1;
}
.float-desc { font-size: 0.7rem; color: var(--text-dim); margin-top: 2px; }

/* ===== STATS SECTION ===== */
.stats-section {
  background: var(--dark-2);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: 48px 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.stat-item {
  text-align: center; padding: 2rem 1rem;
  position: relative;
}
.stat-item::after {
  content: '';
  position: absolute; right: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--border-soft);
}
.stat-item:last-child::after { display: none; }
.stat-number {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--gold));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  display: block; margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.85rem; color: var(--text-muted); font-weight: 500;
}

/* ===== SERVICES SECTION ===== */
.services-section { background: var(--dark); }
.services-header { text-align: center; margin-bottom: 3.5rem; }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-card {
  background: var(--dark-2);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--primary-glow), transparent);
  opacity: 0; transition: var(--transition);
}
.service-card:hover { background: var(--dark-3); }
.service-card:hover::before { opacity: 1; }

.service-num {
  font-family: var(--font-display);
  font-size: 4rem; font-weight: 900;
  color: var(--border-soft);
  position: absolute; top: 1rem; right: 1.5rem;
  line-height: 1;
  transition: var(--transition);
}
.service-card:hover .service-num { color: rgba(249,115,22,0.12); }

.service-icon {
  width: 52px; height: 52px;
  background: var(--dark-4);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); margin-bottom: 1.25rem;
  transition: var(--transition);
}
.service-icon svg { width: 24px; height: 24px; }
.service-card:hover .service-icon {
  background: var(--primary-glow);
  border-color: var(--border);
  transform: scale(1.1);
}
.service-title {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700; color: var(--text);
  margin-bottom: 0.75rem;
  transition: var(--transition);
}
.service-card:hover .service-title { color: var(--primary); }
.service-desc {
  font-size: 0.875rem; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.service-features {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.service-tag {
  font-size: 0.72rem; color: var(--text-dim);
  background: var(--dark-4); border: 1px solid var(--border-soft);
  padding: 4px 10px; border-radius: 99px;
}
.service-card:hover .service-tag { border-color: var(--border); color: var(--text-muted); }

/* ===== ABOUT SECTION ===== */
.about-section { background: var(--dark-2); }
.about-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.about-visual { position: relative; }
.about-img-wrap {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
}
.about-img-wrap img {
  width: 100%; height: 480px; object-fit: cover;
  filter: brightness(0.7) saturate(0.8);
}
.about-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(249,115,22,0.2) 0%, transparent 60%);
}
.about-badge-float {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: rgba(10,10,15,0.9);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: 1rem;
  backdrop-filter: blur(12px);
}
.about-badge-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--primary-glow); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.about-badge-text .val {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700; color: var(--text);
}
.about-badge-text .lbl { font-size: 0.75rem; color: var(--text-muted); }

.about-no-img {
  width: 100%; height: 480px;
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.about-no-img .big-letter {
  font-family: var(--font-display);
  font-size: 12rem; font-weight: 900;
  background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(212,175,55,0.1));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}

.about-pills {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2rem;
}
.about-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--dark-4); border: 1px solid var(--border-soft);
  border-radius: 99px; padding: 7px 14px;
  font-size: 0.8rem; color: var(--text-muted);
  transition: var(--transition);
}
.about-pill:hover { border-color: var(--border); color: var(--primary); }
.about-pill svg { width: 14px; height: 14px; color: var(--primary); }

.about-text { max-width: 520px; }
.about-text p { color: var(--text-muted); line-height: 1.75; margin-bottom: 1.25rem; }
.about-text p:last-of-type { margin-bottom: 0; }
.about-actions { display: flex; gap: 12px; margin-top: 2rem; flex-wrap: wrap; }

/* ===== WHY US SECTION ===== */
.why-section { background: var(--dark); }
.why-header { text-align: center; margin-bottom: 3rem; }
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-card {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 2rem;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.why-card:hover { border-color: var(--border); transform: translateY(-4px); box-shadow: var(--shadow); }
.why-card:hover::before { transform: scaleX(1); }
.why-icon {
  width: 48px; height: 48px;
  background: var(--primary-glow); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); margin-bottom: 1.25rem;
}
.why-icon svg { width: 22px; height: 22px; }
.why-title {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700; color: var(--text);
  margin-bottom: 0.5rem;
}
.why-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* ===== INDUSTRIES SECTION ===== */
.industries-section { background: var(--dark-2); padding: 60px 0; }
.industries-inner { display: flex; align-items: center; gap: 4rem; }
.industries-text { flex-shrink: 0; max-width: 320px; }
.industries-cards {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1rem; flex: 1;
}
.industry-card {
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 1.75rem;
  display: flex; align-items: flex-start; gap: 1rem;
  transition: var(--transition);
  cursor: default;
}
.industry-card:hover {
  border-color: var(--border);
  background: var(--dark-4);
  transform: translateY(-2px);
}
.industry-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}
.ind-oil   { background: rgba(249,115,22,0.1); }
.ind-auto  { background: rgba(59,130,246,0.1); }
.ind-energy{ background: rgba(234,179,8,0.1); }
.ind-food  { background: rgba(34,197,94,0.1); }
.industry-name {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 4px;
}
.industry-desc { font-size: 0.8rem; color: var(--text-muted); }

/* ===== PROJECTS GALLERY ===== */
.projects-section { background: var(--dark); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  background: var(--dark-4);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  display: block;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-item-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay svg {
  width: 36px; height: 36px;
  color: #fff; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.6));
}
.gallery-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-dim);
}
.gallery-placeholder svg { width: 36px; height: 36px; }
.no-projects {
  grid-column: 1/-1; text-align: center; padding: 4rem;
  color: var(--text-dim);
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s ease;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img {
  max-width: 92vw; max-height: 92vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.8);
}
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; transition: background 0.2s; cursor: pointer;
}
.lightbox-close:hover { background: var(--primary); }
.lightbox-close svg { width: 20px; height: 20px; }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; transition: background 0.2s; cursor: pointer;
}
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-prev:hover, .lightbox-next:hover { background: var(--primary); }
.lightbox-prev svg, .lightbox-next svg { width: 22px; height: 22px; }

/* ===== PRODUCTS LIST ===== */
.products-list { background: var(--dark); }
.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-soft);
}
.product-row:last-child { border-bottom: none; }
.product-row--reverse .product-images { order: 2; }
.product-row--reverse .product-text   { order: 1; }
.product-main-wrap {
  display: flex;
  gap: 8px;
}
.product-main-img {
  flex: 1;
  width: 0;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}
.product-thumbs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 90px;
  flex-shrink: 0;
}
.product-thumb-item {
  width: 90px;
  height: 100px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}
.product-thumb-item:hover { border-color: var(--primary); }
.product-thumb-item img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.product-name {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 700;
  color: var(--text); margin-bottom: 1rem;
  line-height: 1.2;
}
.product-divider {
  width: 48px; height: 3px;
  background: var(--primary);
  border-radius: 99px;
  margin-bottom: 1.5rem;
}
.product-desc {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}
.product-desc:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .product-row { grid-template-columns: 1fr; gap: 2rem; }
  .product-row--reverse .product-images { order: 0; }
  .product-row--reverse .product-text   { order: 0; }
  .product-main-img { height: 260px; }
}
@media (max-width: 780px) {
  /* Products: text before image */
  .product-row { grid-template-columns: 1fr; }
  .product-images { order: 2; }
  .product-text   { order: 1; }
  .product-row--reverse .product-images { order: 2; }
  .product-row--reverse .product-text   { order: 1; }

  /* Service detail list layout: text before media */
  .svc-side-grid { grid-template-columns: 1fr !important; }
  .svc-side-media { order: 2; max-height: 260px; object-fit: cover; }
  .svc-side-list  { order: 1; }

  /* Service detail 3-col cards: single column */
  .svc-cards-grid { grid-template-columns: 1fr !important; }

  /* Service detail image+text: single column, image on top */
  .svc-img-text-grid { grid-template-columns: 1fr !important; gap: 1.5rem !important; }

  /* Service detail accordion layout: FAQ before video */
  .svc-acc-grid { grid-template-columns: 1fr !important; }
  .svc-acc-grid .svc-side-media { order: 2; max-height: 240px; }
  .svc-acc-content { order: 1; }
}
@media (max-width: 540px) {
  .product-thumbs { width: 68px; }
  .product-thumb-item { width: 68px; height: 76px; }
  .product-main-img { height: 220px; }
  .product-name { font-size: 1.4rem; }
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: var(--dark-2);
  border-top: 1px solid var(--border-soft);
  padding: 80px 0;
}
.cta-inner {
  text-align: center;
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  position: relative; overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(249,115,22,0.08), transparent);
}
.cta-inner > * { position: relative; z-index: 1; }
.cta-inner .section-title { margin: 0.75rem 0 1.5rem; }
.cta-subtitle { color: var(--text-muted); max-width: 480px; margin: 0 auto 2rem; }
.cta-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta-phone {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 1.1rem; font-weight: 700; color: var(--text);
  margin-top: 1.5rem;
}
.cta-phone svg { color: var(--primary); }

/* ===== CONTACT SECTION ===== */
.contact-section { background: var(--dark); }
.contact-inner {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 3rem; align-items: stretch;
}
.contact-info {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.contact-info-title {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 700; color: var(--text);
  margin-bottom: 0.5rem;
}
.contact-info-sub { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 2rem; }
.contact-info-items { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--primary-glow); border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.contact-info-icon svg { width: 18px; height: 18px; }
.contact-info-label {
  font-size: 0.75rem; font-weight: 600; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px;
}
.contact-info-val { font-size: 0.9rem; color: var(--text-muted); }
.contact-info-val a { color: var(--text-muted); transition: color 0.2s; }
.contact-info-val a:hover { color: var(--primary); }
.contact-divider { border: none; border-top: 1px solid var(--border-soft); margin: 1.5rem 0; }

/* Contact Form */
.contact-form-wrap {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.contact-form-wrap .section-title { font-size: 1.5rem; margin-bottom: 0.5rem; }
.contact-form-wrap .section-subtitle { margin-bottom: 2rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-col-full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-muted); }
.form-label span { color: var(--primary); }
.form-control {
  background: var(--dark-3);
  border: 1.5px solid var(--border-soft);
  border-radius: var(--radius); padding: 12px 16px;
  color: var(--text); font-size: 0.9rem;
  outline: none; transition: var(--transition);
  width: 100%;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-glow); }
.form-control::placeholder { color: var(--text-dim); }
textarea.form-control { resize: vertical; min-height: 130px; }
.form-submit { margin-top: 36px; }
.btn-submit {
  width: 100%; justify-content: center;
  font-size: 1rem; padding: 14px;
}
.form-alert {
  padding: 12px 16px; border-radius: var(--radius);
  font-size: 0.875rem; margin-bottom: 1rem; display: none;
}
.form-alert.success {
  background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3);
  color: #86efac; display: block;
}
.form-alert.error {
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5; display: block;
}

/* ===== PAGE HERO (Inner pages) ===== */
.page-hero {
  background: var(--dark-2);
  border-bottom: 1px solid var(--border-soft);
  padding: calc(var(--navbar-h) + 3rem) 0 3rem;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 20% 50%, rgba(249,115,22,0.06), transparent);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-inner { max-width: 640px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-dim); margin-bottom: 1.25rem;
}
.breadcrumb a { color: var(--text-dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--dark-5); }
.breadcrumb-current { color: var(--text-muted); }

/* ===== PARTNERS ===== */
.partners-grid {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 1.5rem;
}
.partner-logo-wrap {
  background: var(--dark-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1.25rem 2rem;
  display: flex; align-items: center; justify-content: center;
  width: 140px; height: 90px;
  transition: var(--transition);
  filter: grayscale(0%) brightness(1);
}
.partner-logo-wrap:hover {
  border-color: var(--border);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.partner-logo-wrap img {
  max-width: 100%; max-height: 60px;
  object-fit: contain;
}

/* ===== FOOTER ===== */
.footer { background: var(--dark-2); }
.footer-top {
  padding: 5rem 0 3rem;
  border-top: 1px solid var(--border-soft);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}
.footer-logo { margin-bottom: 1rem; }
.footer-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 10px; margin-bottom: 1.5rem; }
.social-link {
  width: 38px; height: 38px;
  background: var(--dark-4); border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); transition: var(--transition);
}
.social-link svg { width: 16px; height: 16px; }
.social-link:hover {
  background: var(--primary-glow); border-color: var(--border);
  color: var(--primary); transform: translateY(-2px);
}
.cert-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-glow); border: 1px solid var(--border);
  color: var(--primary); font-size: 0.72rem; font-weight: 600;
  padding: 5px 12px; border-radius: 99px;
  letter-spacing: 0.05em;
}
.footer-title {
  font-family: var(--font-display);
  font-size: 0.85rem; font-weight: 700; color: var(--text);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.875rem; color: var(--text-muted);
  transition: color 0.2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.footer-links a::before {
  content: '';
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--dark-5); flex-shrink: 0;
  transition: background 0.2s;
}
.footer-links a:hover { color: var(--primary); }
.footer-links a:hover::before { background: var(--primary); }
.footer-contact-info { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-info li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.875rem; color: var(--text-muted);
}
.footer-contact-info svg { flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.footer-contact-info a { color: var(--text-muted); transition: color 0.2s; }
.footer-contact-info a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 1.25rem 0;
}
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-dim); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}
.reveal { opacity: 0; transform: translateY(30px); 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; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1040px) {
  .navbar-menu {
    position: fixed; top: var(--navbar-h); left: 0; right: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column; gap: 4px; padding: 1.5rem;
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-120%); transition: transform 0.3s ease;
    z-index: 999;
  }
  .navbar-menu.open { transform: translateY(0); }
  .hamburger { display: flex; }
  .btn-phone { display: none; }
  .nav-cta { display: none; }
}
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .section-pad { padding: 80px 0; }
  .hero-inner { padding: 3rem 0 7rem; }
  .hero-title { font-size: 48px; }
  .about-inner { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand-col { grid-column: 1 / -1; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-info { position: static; }
  .cta-inner { padding: 3rem 2rem; }
  .stats-grid { grid-template-columns: repeat(4, 1fr); }
  .stat-number { font-size: 2.5rem; }
  .industries-inner { gap: 3rem; }
}
@media (max-width: 768px) {
  :root { --navbar-h: 64px; }
  .container { padding: 0 16px; }
  .section-pad { padding: 60px 0; }
  .section-pad-sm { padding: 40px 0; }
  .hero-inner { padding: 2.5rem 0 6rem; }
  .hero-title { font-size: 36px; letter-spacing: -0.03em; }
  .hero-subtitle { font-size: 1rem; margin: 1.25rem 0 2rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero-actions .btn,
  .hero-actions .btn-hero-primary,
  .hero-actions .btn-hero-outline { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .stat-item:nth-child(2)::after { display: none; }
  .stat-number { font-size: 2.2rem; }
  .stat-item { padding: 1.5rem 1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: 2rem 1.5rem; }
  .why-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-inner { flex-direction: column; gap: 2rem; }
  .industries-text { max-width: 100%; }
  .industries-cards { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
  .footer-top { padding: 3rem 0 2rem; }
  .cta-inner { padding: 2.5rem 1.5rem; }
  .contact-form-wrap { padding: 1.75rem; }
  .contact-info { padding: 1.75rem; }
  .page-hero { padding: calc(var(--navbar-h) + 2rem) 0 2rem; }
  .section-title { font-size: clamp(1.6rem, 5vw, 2.5rem); }
}
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .section-pad { padding: 48px 0; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 0.95rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-cards { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 2rem; }
  .lang-switcher { gap: 2px; }
  .cta-inner { padding: 2rem 1rem; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .btn { padding: 12px 22px; font-size: 0.875rem; }
  .footer-grid { gap: 1.5rem; }
  .about-pills { gap: 6px; }
  .about-pill { font-size: 0.75rem; padding: 6px 11px; }
}

/* ===== MATERIAL DETAIL — CARDS LAYOUT ===== */
.mat-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 900px) {
  .mat-cards-grid { grid-template-columns: 1fr; }
}

/* ===== ABOUT PAGE INTRO ===== */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
@media (max-width: 900px) {
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .about-intro-img { order: -1; }
  .about-intro-text { width: 100%; max-width: 100%; }
  .about-intro-text .section-title,
  .about-intro-text p { max-width: 100%; }
}

/* ===== MAP ===== */
.map-wrap {
  margin: 0 108px 60px;
  height: 420px;
  filter: grayscale(20%);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 1024px) {
  .map-wrap { margin: 0 40px 60px; }
}
@media (max-width: 768px) {
  .map-wrap { margin: 0 16px 48px; height: 320px; }
}
@media (max-width: 480px) {
  .map-wrap { margin: 0 14px 40px; border-radius: 10px; height: 280px; }
}

/* ===== STICKY SOCIAL SIDEBAR ===== */
.social-sidebar {
  position: fixed;
  left: 0; top: 50%;
  transform: translateY(-50%);
  z-index: 990;
  display: flex; flex-direction: column;
  gap: 2px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
}
.social-sidebar.visible {
  opacity: 1; pointer-events: all;
}
.social-sidebar-link {
  width: 42px; height: 42px;
  background: var(--dark-3);
  border: 1px solid var(--border-soft);
  border-left: none;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: var(--transition);
}
.social-sidebar-link:first-child { border-radius: 0 var(--radius) 0 0; }
.social-sidebar-link:last-child  { border-radius: 0 0 var(--radius) 0; }
.social-sidebar-link svg { width: 16px; height: 16px; }
.social-sidebar-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateX(4px);
}
@media (min-width: 1341px) { .footer-social-responsive { display: none; } }
@media (max-width: 1340px) { .social-sidebar { display: none; } }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--dark-5); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== SELECTION ===== */
::selection { background: var(--primary-glow); color: var(--primary); }