/* ============================================
   SHIVA EQUIPMENT SERVICES - Main Stylesheet
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary: #0B2A59;
  --primary-light: #0d3470;
  --primary-dark: #081e42;
  --secondary: #F58220;
  --secondary-hover: #e07515;
  --bg: #F8F9FB;
  --white: #ffffff;
  --gray-light: #f0f2f5;
  --gray: #e0e3e8;
  --text: #222222;
  --text-muted: #666666;
  --text-light: #999999;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.15);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
  --nav-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: var(--transition);
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-tag::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 2px;
  background: var(--secondary);
  margin-left: 12px;
  vertical-align: middle;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--secondary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(245, 130, 32, 0.35);
}

.btn-primary:hover {
  background: var(--secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(245, 130, 32, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.88rem;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--nav-height);
  transition: var(--transition);
  background: rgba(11, 42, 89, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar.scrolled {
  background: rgba(11, 42, 89, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 700;
}

.nav-logo svg {
  flex-shrink: 0;
}

.nav-logo .logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-logo .logo-text span:first-child {
  font-size: 1rem;
  letter-spacing: 1px;
}

.nav-logo .logo-text span:last-child {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 50px;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-cta {
  background: var(--secondary) !important;
  color: var(--white) !important;
  padding: 10px 24px !important;
  font-weight: 600 !important;
  border-radius: 50px !important;
}

.nav-cta:hover {
  background: var(--secondary-hover) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(11, 42, 89, 0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.mobile-menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.2rem;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 50px;
}

.mobile-menu a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.mobile-menu .mobile-cta {
  margin-top: 16px;
  background: var(--secondary);
  color: var(--white);
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(245, 130, 32, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 130, 32, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.03;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, #fff 40px, #fff 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, #fff 40px, #fff 41px);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  padding-right: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 130, 32, 0.15);
  border: 1px solid rgba(245, 130, 32, 0.25);
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--secondary);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat h3 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
}

.hero-stat p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 2px;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-illustration {
  width: 100%;
  max-width: 520px;
  position: relative;
}

.hero-illustration img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

/* ---------- Trusted Clients Bar ---------- */
.clients-bar {
  background: var(--white);
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-light);
}

.clients-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.clients-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
}

.clients-logos {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.client-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #b0b5bc;
  white-space: nowrap;
  transition: var(--transition);
}

.client-logo:hover {
  color: var(--primary);
}

/* ---------- Services Section ---------- */
.services {
  background: var(--bg);
  position: relative;
}

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

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--secondary);
  transform: scaleX(0);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 130, 32, 0.1);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(11, 42, 89, 0.05);
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: rgba(11, 42, 89, 0.1);
  transform: scale(1.05);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-card .service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--secondary);
  font-size: 0.88rem;
  font-weight: 600;
}

.service-card .service-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.service-card:hover .service-link svg {
  transform: translateX(4px);
}

/* ---------- Industries Section ---------- */
.industries {
  background: var(--white);
  position: relative;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: var(--bg);
  transition: var(--transition);
  cursor: default;
}

.industry-item:hover {
  background: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.industry-item .ind-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(11, 42, 89, 0.06);
  transition: var(--transition);
}

.industry-item:hover .ind-icon {
  background: rgba(255, 255, 255, 0.15);
}

.industry-item .ind-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: var(--transition);
}

.industry-item:hover .ind-icon svg {
  color: var(--white);
}

.industry-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
  text-align: center;
}

.industry-item:hover span {
  color: var(--white);
}

/* ---------- Why Choose Us ---------- */
.why-us {
  background: var(--bg);
  position: relative;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: var(--primary);
  transition: height 0.4s ease;
  z-index: 0;
}

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

.why-card:hover::after {
  height: 100%;
}

.why-card > * {
  position: relative;
  z-index: 1;
}

.why-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: rgba(11, 42, 89, 0.06);
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: rgba(255, 255, 255, 0.15);
}

.why-icon svg {
  width: 34px;
  height: 34px;
  color: var(--primary);
  transition: var(--transition);
}

.why-card:hover .why-icon svg {
  color: var(--white);
}

.why-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
  transition: var(--transition);
}

.why-card:hover h3 {
  color: var(--white);
}

.why-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  transition: var(--transition);
}

.why-card:hover p {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Projects Section ---------- */
.projects {
  background: var(--white);
}

.projects-header-visual {
  margin-bottom: 20px;
}

.projects-header-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  opacity: 0.7;
  filter: drop-shadow(0 2px 8px rgba(11, 42, 89, 0.1));
}

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

.project-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--gray-light);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-item:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px;
  background: linear-gradient(transparent, rgba(11, 42, 89, 0.85));
  color: var(--white);
  transform: translateY(20px);
  opacity: 0;
  transition: var(--transition);
}

.project-item:hover .project-overlay {
  transform: translateY(0);
  opacity: 1;
}

.project-overlay h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.project-overlay p {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ---------- Process Section ---------- */
.process {
  background: var(--bg);
  position: relative;
}

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: var(--gray);
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  background: var(--primary);
  margin-bottom: 20px;
  position: relative;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(11, 42, 89, 0.3);
}

.process-step:hover .step-number {
  background: var(--secondary);
  transform: scale(1.08);
  box-shadow: 0 6px 30px rgba(245, 130, 32, 0.4);
}

.step-number span {
  font-size: 0.7rem;
  position: absolute;
  bottom: -6px;
  background: var(--secondary);
  color: var(--white);
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 160px;
  line-height: 1.5;
}

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  position: relative;
}

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

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 28px;
  font-size: 5rem;
  font-weight: 700;
  color: rgba(11, 42, 89, 0.06);
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  color: var(--secondary);
  fill: var(--secondary);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--gray);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ---------- Emergency Banner ---------- */
.emergency {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.emergency::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(245, 130, 32, 0.08);
  pointer-events: none;
}

.emergency::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(245, 130, 32, 0.05);
  pointer-events: none;
}

.emergency .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.emergency-content {
  display: flex;
  align-items: center;
  gap: 24px;
}

.emergency-icon-wrap {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.emergency-helicopter {
  width: 90px;
  height: 90px;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(245, 130, 32, 0.3));
  animation: float-helo 3s ease-in-out infinite;
}

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

.emergency-icon {
  display: none;
}

@keyframes pulse-emergency {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245, 130, 32, 0.3); }
  50% { box-shadow: 0 0 0 16px rgba(245, 130, 32, 0); }
}

.emergency-icon svg {
  width: 28px;
  height: 28px;
  color: var(--secondary);
}

.emergency-text h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.emergency-text p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
}

.emergency-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--secondary);
  color: var(--white);
  padding: 18px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 4px 25px rgba(245, 130, 32, 0.4);
  white-space: nowrap;
}

.emergency-btn:hover {
  background: var(--secondary-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(245, 130, 32, 0.5);
}

.emergency-btn svg {
  width: 20px;
  height: 20px;
}

/* ---------- Contact Section ---------- */
.contact {
  background: var(--bg);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.contact-info-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}

.contact-info-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-info-item a {
  color: var(--secondary);
}

.contact-info-item a:hover {
  text-decoration: underline;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--gray);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(245, 130, 32, 0.1);
}

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

.form-group input.error,
.form-group textarea.error {
  border-color: #e74c3c;
}

.form-error-msg {
  font-size: 0.8rem;
  color: #e74c3c;
  margin-top: 6px;
  display: none;
}

.form-error-msg.visible {
  display: block;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(39, 174, 96, 0.08);
  border: 1px solid rgba(39, 174, 96, 0.2);
  border-radius: var(--radius-sm);
  color: #27ae60;
  font-weight: 500;
  margin-bottom: 20px;
}

.form-success.visible {
  display: flex;
}

.form-success svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--secondary);
  transform: translateY(-3px);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-social a:hover svg {
  color: var(--white);
}

.footer h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: var(--secondary);
}

.footer-bottom a:hover {
  color: var(--white);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245, 130, 32, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

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

.back-to-top:hover {
  background: var(--secondary-hover);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ---------- Scroll Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ---------- Responsive Styles ---------- */

/* Desktop: 1024px */
@media (max-width: 1024px) {
  .section {
    padding: 80px 0;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    padding-right: 0;
    text-align: center;
  }

  .hero-subtitle {
    margin: 0 auto 36px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

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

  .industries-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .process-steps {
    flex-wrap: wrap;
    justify-content: center;
  }

  .process-steps::before {
    display: none;
  }

  .process-step {
    flex: 0 0 calc(33.333% - 14px);
    min-width: 180px;
  }

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

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

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

  .emergency .container {
    flex-direction: column;
    text-align: center;
    gap: 24px;
    padding: 40px 24px;
  }

  .emergency-icon-wrap {
    margin: 0 auto;
  }

  .emergency-helicopter {
    width: 70px;
    height: 70px;
  }

  .emergency-btn {
    width: 100%;
    justify-content: center;
    padding: 16px 28px;
  }

  .emergency-content {
    flex-direction: column;
  }
}

/* Tablet: 768px */
@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .section {
    padding: 70px 0;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

  .why-us-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .process-step {
    flex: 0 0 calc(50% - 14px);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .clients-bar .container {
    gap: 20px;
  }

  .clients-logos {
    gap: 24px;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

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

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

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* Mobile: 480px */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .hero-stat {
    display: flex;
    align-items: center;
    gap: 12px;
  }

  .why-us-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .industries-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .industry-item {
    padding: 24px 14px;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .step-number {
    width: 64px;
    height: 64px;
    font-size: 1.4rem;
  }

  .process-steps::before {
    display: none;
  }

  .emergency-btn {
    width: 100%;
    justify-content: center;
    padding: 16px 28px;
  }
}

/* ============================================
   END OF STYLESHEET
   ============================================ */