/* ===========================
   CSS VARIABLES & RESET
=========================== */
:root {
  --primary:        #0c1f3f;
  --primary-dark:   #071529;
  --primary-light:  #1a3a6e;
  --accent:         #e8531a;
  --accent-light:   #ff7a3d;
  --accent-dark:    #c44a10;
  --white:          #ffffff;
  --light:          #f8f9fa;
  --gray-100:       #f1f3f5;
  --gray-200:       #e9ecef;
  --gray-400:       #ced4da;
  --gray-600:       #6c757d;
  --gray-800:       #343a40;
  --dark:           #0d1117;
  --text:           #1e293b;
  --text-light:     #64748b;
  --radius:         12px;
  --radius-lg:      20px;
  --shadow:         0 4px 24px rgba(0,0,0,0.08);
  --shadow-md:      0 8px 40px rgba(0,0,0,0.12);
  --shadow-lg:      0 16px 64px rgba(0,0,0,0.16);
  --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font:           'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

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

.section { padding: 100px 0; }
.section-light { background: var(--light); }

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232,83,26,0.08);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-label.light { color: var(--accent-light); background: rgba(255,122,61,0.15); }

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title.light { color: var(--white); }

.section-desc {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.7;
}

.accent-text { color: var(--accent); }

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-lg { padding: 16px 36px; font-size: 1rem; border-radius: 14px; }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(12,31,63,0.3);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(12,31,63,0.4);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  box-shadow: 0 4px 14px rgba(232,83,26,0.35);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,83,26,0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
  padding: 14px 32px;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

/* ===========================
   PRELOADER
=========================== */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.hidden { opacity: 0; visibility: hidden; }

.loader-ring {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid transparent;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-logo {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.05em;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===========================
   NAVBAR
=========================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(7,21,41,0.97);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--white);
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo-text strong { font-weight: 900; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
}

.lang-btn {
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
}

.lang-btn.active, .lang-btn:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  width: 32px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  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
=========================== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #071529 0%, #0c1f3f 55%, #0f2a54 100%);
  overflow: hidden;
  padding: 100px 0 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1.5px, transparent 1.5px);
  background-size: 32px 32px;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  animation: heroFloat 8s ease-in-out infinite;
}

.hero-shape-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,83,26,0.12) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation-delay: 0s;
}

.hero-shape-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(26,58,110,0.4) 0%, transparent 70%);
  bottom: 0; left: -80px;
  animation-delay: -3s;
}

.hero-shape-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(232,83,26,0.08) 0%, transparent 70%);
  top: 40%; right: 30%;
  animation-delay: -5s;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 40px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,83,26,0.15);
  border: 1px solid rgba(232,83,26,0.3);
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  backdrop-filter: blur(10px);
  flex-wrap: wrap;
}

.hero-stat {
  flex: 1;
  min-width: 120px;
  text-align: center;
  padding: 8px 16px;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  display: inline;
}

.stat-plus {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 500;
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}

.scroll-down-btn {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}

.scroll-down-btn:hover {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}

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

/* ===========================
   ABOUT
=========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-wrap {
  position: relative;
}

.about-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.about-img-icon {
  font-size: 5rem;
  color: rgba(255,255,255,0.15);
  z-index: 1;
}

.about-badge-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
}

.about-badge-card i { font-size: 1.5rem; }
.about-badge-card strong { display: block; font-size: 1rem; font-weight: 700; }
.about-badge-card span { font-size: 0.8rem; opacity: 0.9; }

.about-exp-strip {
  display: flex;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.exp-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  padding: 10px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
}

.exp-item i { color: var(--accent); }

.about-desc {
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 16px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 32px 0;
}

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

.value-icon {
  width: 44px; height: 44px;
  background: rgba(232,83,26,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.value-item strong {
  display: block;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.value-item p { font-size: 0.9rem; color: var(--text-light); }

/* ===========================
   SERVICES
=========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  animation-delay: var(--delay, 0s);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  border-color: transparent;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  margin-bottom: 24px;
}

.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 20px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.service-features span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 500;
}

.service-features i {
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  transition: var(--transition);
}

.service-link:hover { gap: 10px; }

.service-card-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-card-inner {
  text-align: center;
  color: var(--white);
}

.cta-card-inner i {
  font-size: 3rem;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.cta-card-inner h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}

.cta-card-inner p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* ===========================
   PROJECTS
=========================== */
.project-filters {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-light);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(12,31,63,0.25);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.project-card.hidden { display: none; }

.project-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: rgba(255,255,255,0.2);
  transition: var(--transition);
}

.project-card:hover .project-img-placeholder {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,21,41,0.95) 0%, rgba(7,21,41,0.6) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.project-overlay h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.project-overlay p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin-bottom: 12px;
}

.project-link {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 0.8rem;
  align-self: flex-start;
  transition: var(--transition);
}

.project-link:hover { background: var(--accent-light); transform: scale(1.1); }

.project-info {
  padding: 20px 24px;
}

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 6px;
}

/* ===========================
   STATS
=========================== */
.section-stats {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, #071529, #0c1f3f);
  overflow: hidden;
}

.stats-overlay {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

.section-stats::after {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232,83,26,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.stats-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.stats-desc {
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 36px;
  font-size: 1rem;
}

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

.stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.stat-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(232,83,26,0.3);
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 1.75rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--white);
  display: inline;
  line-height: 1;
}

.stat-suffix {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
  display: inline;
}

.stat-name {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
  font-weight: 500;
}

/* ===========================
   QHSE
=========================== */
.qhse-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.qhse-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  animation-delay: var(--delay, 0s);
}

.qhse-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: transparent;
}

.qhse-icon-wrap {
  width: 60px; height: 60px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.qhse-icon-wrap.green { background: rgba(22,163,74,0.1); color: #16a34a; }
.qhse-icon-wrap.orange { background: rgba(232,83,26,0.1); color: var(--accent); }
.qhse-icon-wrap.blue { background: rgba(37,99,235,0.1); color: #2563eb; }
.qhse-icon-wrap.purple { background: rgba(124,58,237,0.1); color: #7c3aed; }

.qhse-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.qhse-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 20px;
}

.qhse-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qhse-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  color: var(--text);
  font-weight: 500;
}

.qhse-list i { font-size: 0.8rem; color: #22c55e; flex-shrink: 0; }

/* ===========================
   CERTIFICATES
=========================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.cert-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.cert-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.cert-stripe {
  height: 5px;
  width: 100%;
}
.cert-stripe.green  { background: linear-gradient(90deg, #16a34a, #4ade80); }
.cert-stripe.blue   { background: linear-gradient(90deg, #2563eb, #60a5fa); }
.cert-stripe.orange { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }

.cert-body { padding: 28px; }

.cert-icon-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.cert-iso-badge {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 6px;
  color: var(--white);
}
.cert-iso-badge.green  { background: #16a34a; }
.cert-iso-badge.blue   { background: #2563eb; }
.cert-iso-badge.orange { background: var(--accent); }

.cert-aqsr {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--text-light);
  font-weight: 500;
}
.cert-aqsr i { color: #f59e0b; font-size: 0.8rem; }

.cert-standard {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.cert-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
  line-height: 1.3;
}

.cert-subtitle {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.cert-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: var(--gray-100);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 18px;
}

.cert-meta-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cert-meta-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
  font-weight: 600;
}

.cert-meta-val {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
}

.cert-scope {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 20px;
}

.cert-scope i { color: #22c55e; font-size: 0.72rem; }

.cert-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(232,83,26,0.07);
  border: 1.5px solid rgba(232,83,26,0.2);
  padding: 10px 18px;
  border-radius: var(--radius);
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}

.cert-download:hover {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.cert-download i { font-size: 1rem; }

.certs-issuer {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.certs-issuer > i {
  font-size: 1.5rem;
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 2px;
}

.certs-issuer p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.6;
}

.certs-issuer a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
}

@media (max-width: 960px) {
  .certs-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}

/* ===========================
   PARTNERS
=========================== */
.partners-track-wrap {
  overflow: hidden;
  position: relative;
  padding: 20px 0;
}

.partners-track-wrap::before,
.partners-track-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.partners-track-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--white), transparent);
}

.partners-track-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--white), transparent);
}

.partners-track {
  display: flex;
  gap: 24px;
  animation: scrollTrack 25s linear infinite;
  width: max-content;
}

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

@keyframes scrollTrack {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.partner-logo {
  flex-shrink: 0;
  height: 70px;
  min-width: 180px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  transition: var(--transition);
}

.partner-logo:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(232,83,26,0.15);
}

.partner-logo span {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.7;
  transition: var(--transition);
}

.partner-logo:hover span { opacity: 1; color: var(--accent); }

/* ===========================
   CAREERS
=========================== */
.careers-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.careers-perks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0 36px;
}

.careers-perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
}

.careers-perks i { color: var(--accent); font-size: 0.8rem; }

.careers-positions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.position-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: var(--transition);
}

.position-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(232,83,26,0.12);
  transform: translateX(4px);
}

.position-icon {
  width: 44px; height: 44px;
  background: rgba(12,31,63,0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.position-info { flex: 1; }

.position-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.position-type {
  font-size: 0.75rem;
  background: rgba(22,163,74,0.1);
  color: #16a34a;
  padding: 2px 10px;
  border-radius: 100px;
  font-weight: 600;
}

.position-apply {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(232,83,26,0.08);
  padding: 6px 14px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

.position-apply:hover { background: var(--accent); color: var(--white); }

/* ===========================
   CONTACT
=========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}

.contact-info-card {
  background: var(--primary);
  border-radius: var(--radius-lg);
  padding: 40px;
  color: var(--white);
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.contact-detail:last-child { margin-bottom: 0; }

.contact-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-detail strong {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}

.contact-detail p, .contact-detail a {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.4;
}

.contact-detail a:hover { color: var(--accent-light); }

.map-placeholder {
  background: var(--gray-100);
  border: 2px dashed var(--gray-400);
  border-radius: var(--radius-lg);
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-light);
}

.map-placeholder i { font-size: 2rem; color: var(--primary); }
.map-placeholder span { font-size: 0.875rem; font-weight: 500; }

/* Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  resize: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,83,26,0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ef4444;
}

.form-error {
  font-size: 0.775rem;
  color: #ef4444;
  font-weight: 500;
}

.form-success {
  background: rgba(22,163,74,0.1);
  border: 1px solid rgba(22,163,74,0.3);
  color: #15803d;
  padding: 16px 20px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-success i { font-size: 1.1rem; }

/* ===========================
   FOOTER
=========================== */
#footer { background: var(--primary-dark); }

.footer-top { padding: 80px 0 60px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
}

.footer-brand .footer-logo {
  display: inline-flex;
  margin-bottom: 20px;
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col ul li a:hover { color: var(--white); padding-left: 4px; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
}

.footer-contact li i { color: var(--accent); margin-top: 2px; flex-shrink: 0; }
.footer-contact li a { color: rgba(255,255,255,0.6); }
.footer-contact li a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ===========================
   SCROLL TO TOP
=========================== */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  background: var(--accent);
  color: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(232,83,26,0.4);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover { background: var(--accent-dark); transform: translateY(-2px); }

/* ===========================
   ANIMATIONS
=========================== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1100px) {
  .qhse-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 960px) {
  .about-grid, .stats-content, .careers-inner { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-content { text-align: center; }
  .about-visual { order: -1; }
  .about-img-placeholder { max-width: 420px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(7,21,41,0.98);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    transform: translateX(100%);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.2rem; padding: 12px 24px; }

  .nav-right .btn-sm { display: none; }
  .hamburger { display: flex; z-index: 1001; position: relative; }

  .hero-title { font-size: 2.4rem; }
  .hero-stats { gap: 0; }
  .stat-divider { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .qhse-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 24px; }

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

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .careers-inner { grid-template-columns: 1fr; gap: 40px; }
}