/* ===== Apache Well Service LLC — Green Corporate Theme ===== */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;
  --accent: #64a52c;
  --accent-hover: #1f5d1d;
  --accent-glow: rgba(100, 165, 44, 0.12);
  --text-primary: #353a42;
  --text-secondary: #6e7889;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #cbd5e1;
  --danger: #ef4444;
  --success: #10b981;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
ul { list-style: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin-bottom: 3rem;
}
.accent-text { color: var(--accent); }
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header h2 span { color: var(--accent); }
.section-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* ===== Preloader ===== */
#preloader {
  position: fixed; inset: 0; z-index: 10000;
  background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-ring {
  width: 60px; height: 60px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header.scrolled { background: rgba(255, 255, 255, 0.98); }
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700;
  color: var(--text-primary);
}
.logo-icon {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: var(--bg-primary);
}
.logo span { color: var(--accent); }
.logo small { display: block; font-size: 0.6rem; font-family: var(--font-body); font-weight: 400; color: var(--text-muted); letter-spacing: 1px; }

/* Navigation */
.nav-list { display: flex; align-items: center; gap: 8px; }
.nav-list a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem; font-weight: 500;
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover,
.nav-list a.active { color: var(--accent); background: var(--accent-glow); }
.nav-cta {
  background: var(--accent) !important;
  color: var(--bg-primary) !important;
  font-weight: 600 !important;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--accent-hover) !important; }

/* Mobile Menu */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px; background: none; border: none;
}
.menu-toggle span {
  display: block; width: 26px; height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
  background: linear-gradient(135deg, #f0fdf4 0%, #f7fee7 50%, #f0fdf4 100%);
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://img.freepik.com/free-photo/environmental-pollution-factory-exterior_23-2149057714.jpg') center/cover no-repeat;
  opacity: 0.06;
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-primary), transparent);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(100, 165, 44, 0.3);
  border-radius: 50px;
  color: var(--accent); font-size: 0.85rem; font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 .line2 { display: block; color: var(--accent); font-size: clamp(3rem, 6vw, 5rem); }
.hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(100, 165, 44, 0.1);
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem; font-weight: 700;
  color: var(--accent);
  display: block;
}
.stat-label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 4px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem; font-weight: 600;
  border: none; cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: var(--bg-primary); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(100, 165, 44, 0.3); }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: var(--bg-primary); }

/* ===== Sections Common ===== */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-secondary); }

/* ===== About ===== */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.about-image img {
  width: 100%; height: 450px; object-fit: cover;
  transition: transform 0.6s ease;
}
.about-image:hover img { transform: scale(1.05); }
.about-image::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(248,250,252,0.6), transparent);
}
.about-content h2 { margin-bottom: 0.5rem; }
.about-content .location { color: var(--accent); font-weight: 500; margin-bottom: 1.5rem; display: block; }
.about-content p { color: var(--text-secondary); margin-bottom: 1rem; }
.about-features {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 2rem;
}
.about-features li {
  display: flex; align-items: center; gap: 8px;
  color: var(--text-primary); font-size: 0.95rem;
}
.about-features li i { color: var(--accent); }

/* ===== Services ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(100, 165, 44, 0.1);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--accent);
  margin-bottom: 1.5rem;
}
.service-card h3 { margin-bottom: 0.75rem; }
.service-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.5rem; line-height: 1.7; }
.service-link {
  color: var(--accent); font-weight: 600; font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 6px;
}
.service-link i { transition: transform var(--transition); }
.service-link:hover i { transform: translateX(4px); }

/* ===== Equipment ===== */
.equipment-tabs { margin-top: 2rem; }
.tab-nav {
  display: flex; gap: 4px;
  background: var(--bg-card);
  padding: 4px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow-x: auto;
  margin-bottom: 2rem;
}
.tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { background: var(--accent); color: var(--bg-primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.equipment-specs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; align-items: start;
}
.equipment-image {
  border-radius: var(--radius);
  overflow: hidden;
}
.equipment-image img { width: 100%; height: 350px; object-fit: cover; transition: transform 0.6s ease; }
.equipment-image:hover img { transform: scale(1.05); }
.specs-list { display: grid; gap: 16px; }
.spec-item {
  display: flex; justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.spec-item .label { color: var(--text-muted); font-size: 0.9rem; }
.spec-item .value { color: var(--text-primary); font-weight: 600; }

/* ===== Safety ===== */
.safety-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.safety-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.safety-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.safety-card i {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.safety-card h4 { margin-bottom: 0.5rem; }
.safety-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== Why Us ===== */
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.why-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.why-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}
.why-card h4 { margin-bottom: 0.5rem; }
.why-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(248,250,252,0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item .overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px;
  z-index: 1;
  transform: translateY(10px);
  opacity: 0;
  transition: all var(--transition);
}
.gallery-item:hover .overlay {
  transform: translateY(0);
  opacity: 1;
}
.gallery-item .overlay span { color: var(--text-primary); font-weight: 600; font-size: 0.9rem; }

/* ===== Case Studies ===== */
.cases-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(100, 165, 44, 0.1);
}
.case-image { height: 200px; overflow: hidden; }
.case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card:hover .case-image img { transform: scale(1.05); }
.case-content { padding: 24px; }
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.8rem; font-weight: 500;
  margin-bottom: 0.75rem;
}
.case-content h4 { margin-bottom: 0.5rem; }
.case-content p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; line-height: 1.6; }

/* ===== Video Showcase ===== */
.video-wrapper {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 24px; align-items: start;
}
.video-featured {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.video-featured .video-placeholder {
  width: 100%; aspect-ratio: 16/9;
  background: linear-gradient(135deg, #f0fdf4, #f7fee7);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}
.video-featured .video-placeholder i { font-size: 3rem; color: var(--accent); }
.video-featured .video-placeholder p { font-size: 0.9rem; }
.video-playlist {
  display: flex; flex-direction: column; gap: 12px;
}
.video-playlist-item {
  display: flex; gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.video-playlist-item:hover { border-color: var(--accent); background: var(--bg-hover); }
.video-playlist-item .thumb {
  width: 100px; height: 60px;
  background: linear-gradient(135deg, #f0fdf4, #f7fee7);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.video-playlist-item .info h5 { font-size: 0.85rem; font-family: var(--font-body); margin-bottom: 2px; }
.video-playlist-item .info span { font-size: 0.75rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-item.active { border-color: var(--accent); }
.faq-question {
  width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem; font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition);
}
.faq-question i {
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}
.faq-answer p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.8; }

/* ===== Quote Form ===== */
.quote-form-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}
.form-step-indicator {
  display: flex; justify-content: center; gap: 8px;
  margin-bottom: 2rem;
}
.form-step-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--transition);
}
.form-step-dot.active { background: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }
.form-step-dot.completed { background: var(--success); }
.form-step { display: none; }
.form-step.active { display: block; animation: fadeIn 0.4s ease; }
.form-step h3 { margin-bottom: 0.5rem; }
.form-step > p { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.95rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem; font-weight: 500;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-nav { display: flex; justify-content: space-between; margin-top: 2rem; }
.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}
.form-success.show { display: block; }
.form-success i { font-size: 3rem; color: var(--success); margin-bottom: 1rem; }
.form-success h3 { margin-bottom: 0.5rem; }
.form-success p { color: var(--text-secondary); }

/* ===== File Upload ===== */
.form-group input[type="file"] {
  padding: 0;
  border: none;
}
.form-group input[type="file"]::file-selector-button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  transition: background var(--transition);
  margin-right: 16px;
}
.form-group input[type="file"]::file-selector-button:hover {
  background: var(--accent-hover);
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #f0fdf4 0%, #f7fee7 100%);
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: -50%; left: -50%; right: -50%; bottom: -50%;
  background: radial-gradient(circle at center, rgba(100,165,44,0.05) 0%, transparent 50%);
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { color: var(--text-secondary); max-width: 600px; margin: 0 auto 2rem; font-size: 1.1rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Contact ===== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h3 { margin-bottom: 1rem; }
.contact-info > p { color: var(--text-secondary); margin-bottom: 2rem; }
.contact-details { display: grid; gap: 20px; }
.contact-detail {
  display: flex; gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.contact-detail:hover { border-color: var(--accent); }
.contact-detail i {
  font-size: 1.25rem;
  color: var(--accent);
  margin-top: 4px;
}
.contact-detail h5 { margin-bottom: 2px; }
.contact-detail p, .contact-detail a { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== Map ===== */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 400px;
  background: var(--bg-card);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; max-width: 300px; line-height: 1.7; }
.footer-social { display: flex; gap: 12px; margin-top: 1.5rem; }
.footer-social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.footer-social a:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.footer h4 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0;
  font-size: 0.85rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 48px; height: 48px;
  background: var(--accent);
  color: var(--bg-primary);
  border: none; border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  opacity: 0; visibility: hidden;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(100, 165, 44, 0.3);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(100, 165, 44, 0.4); }

/* ===== Page Hero (Inner Pages) ===== */
.page-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #f0fdf4 0%, #f7fee7 50%, #f0fdf4 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://img.freepik.com/free-photo/environmental-pollution-factory-exterior_23-2149057714.jpg') center/cover no-repeat;
  opacity: 0.06;
}
.page-hero * { position: relative; z-index: 1; }
.page-hero h1 { margin-bottom: 0.5rem; }
.page-hero p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* ===== Breadcrumbs ===== */
.breadcrumbs {
  display: flex; justify-content: center; gap: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs span { color: var(--text-muted); }
.breadcrumbs .current { color: var(--accent); }

/* ===== Service Detail ===== */
.service-detail-grid {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 40px; align-items: start;
}
.service-content h2 { margin-bottom: 1.5rem; }
.service-content p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.8; }
.service-content ul { margin-bottom: 1.5rem; }
.service-content ul li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
  color: var(--text-secondary);
}
.service-content ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--accent);
}
.service-sidebar {
  position: sticky; top: calc(var(--header-height) + 24px);
}
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}
.sidebar-card h4 { margin-bottom: 1rem; font-family: var(--font-body); }
.sidebar-card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1.25rem; }
.sidebar-card .btn { width: 100%; justify-content: center; }
.sidebar-links li { margin-bottom: 8px; }
.sidebar-links a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.sidebar-links a:hover { border-color: var(--accent); color: var(--accent); }
.sidebar-links a i { font-size: 0.8rem; }

/* ===== Careers ===== */
.careers-culture {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}
.careers-culture p { color: var(--text-secondary); }
.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-bottom: 4rem;
}
.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
}
.benefit-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.benefit-card i { font-size: 2rem; color: var(--accent); margin-bottom: 1rem; }
.benefit-card h4 { margin-bottom: 0.5rem; }
.benefit-card p { color: var(--text-secondary); font-size: 0.9rem; }
.jobs-list { max-width: 800px; margin: 0 auto; }
.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 20px;
  transition: all var(--transition);
}
.job-card:hover { border-color: var(--accent); }
.job-card .job-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin: 0.75rem 0 1rem;
}
.job-card .job-meta span {
  display: flex; align-items: center; gap: 6px;
  color: var(--text-muted); font-size: 0.85rem;
}
.job-card .job-meta i { color: var(--accent); }
.job-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1.25rem; }

/* ===== Blog ===== */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.blog-card:hover { border-color: var(--accent); transform: translateY(-6px); }
.blog-card .blog-image { height: 200px; overflow: hidden; }
.blog-card .blog-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.blog-card:hover .blog-image img { transform: scale(1.05); }
.blog-card .blog-content { padding: 24px; }
.blog-card .blog-date { color: var(--text-muted); font-size: 0.85rem; }
.blog-card .blog-content h4 { margin: 0.5rem 0; }
.blog-card .blog-content h4 a { color: var(--text-primary); }
.blog-card .blog-content h4 a:hover { color: var(--accent); }
.blog-card .blog-content p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.blog-article { max-width: 800px; margin: 0 auto; }
.blog-article .article-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-bottom: 2rem;
  color: var(--text-muted); font-size: 0.9rem;
}
.blog-article .article-meta i { color: var(--accent); margin-right: 4px; }
.blog-article p { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.8; }
.blog-article h2, .blog-article h3 { margin-top: 2rem; }
.blog-article ul, .blog-article ol {
  margin: 1rem 0; padding-left: 1.5rem;
  color: var(--text-secondary);
}
.blog-article li { margin-bottom: 0.5rem; }

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s 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; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .video-wrapper { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .service-detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-list {
    position: fixed; top: var(--header-height); left: 0; right: 0;
    flex-direction: column;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
    transform: translateY(-100%); opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list a { width: 100%; padding: 12px 16px; }
  .nav-cta { margin-left: 0; margin-top: 8px; }
  .menu-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero h1 .line2 { font-size: 2.5rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .equipment-specs { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .about-features { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .quote-form-container { padding: 24px; }
  .section { padding: 60px 0; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
  .tab-nav { flex-wrap: nowrap; }
  .tab-btn { padding: 10px 16px; font-size: 0.85rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}