/* ============================================
   ARDAM AMBALAJ - Main Stylesheet
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Open+Sans:wght@300;400;500;600;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --navy: #1a2332;
  --navy-dark: #0f1720;
  --navy-light: #243447;
  --orange: #0d5e6e;
  --orange-hover: #148393;
  --orange-dark: #094c5a;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  line-height: 1.7;
  overflow-x: hidden;
  background: var(--white);
}

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

ul, ol {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Page Loader ---------- */
#pageloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--navy-dark);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#pageloader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---------- Top Bar ---------- */
.top-bar {
  background: var(--navy-dark);
  padding: 8px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar-left i,
.top-bar-right i {
  color: var(--orange);
  margin-right: 4px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-right span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- Navbar ---------- */
.navbar {
  background: var(--navy);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(26, 35, 50, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 70px;
}

.navbar-brand {
  background: var(--white);
  padding: 10px 20px;
  border-radius: 0 0 12px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  margin-top: -1px;
  transition: var(--transition);
}

.navbar-brand:hover {
  transform: translateY(2px);
  box-shadow: var(--shadow-md);
}

.navbar-brand .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 20px;
  font-weight: 800;
  font-family: var(--font-heading);
}

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

.navbar-brand .logo-text .brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 16px;
  color: var(--navy);
  letter-spacing: 1px;
}

.navbar-brand .logo-text .brand-sub {
  font-size: 9px;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 24px 16px;
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--orange);
  border-radius: 3px 3px 0 0;
  transition: var(--transition);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange);
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 13px !important;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-left: 10px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-contact::after {
  display: none !important;
}

.btn-contact:hover {
  background: var(--orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(13, 94, 110, 0.4);
}

.btn-contact i {
  font-size: 14px;
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.mobile-toggle span {
  width: 25px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

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

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 650px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-bg {
  position: absolute;
  top: -10%;
  left: -5%;
  width: 110%;
  height: 120%;
  background-size: cover;
  background-position: center;
  animation: kenBurns 20s ease-in-out infinite alternate;
}

.hero-slide:nth-child(2) .hero-slide-bg {
  animation-delay: -7s;
  animation-direction: alternate-reverse;
}

.hero-slide:nth-child(3) .hero-slide-bg {
  animation-delay: -14s;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.15) translate(-2%, -1%);
  }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 32, 0.6) 0%,
    rgba(15, 23, 32, 0.5) 40%,
    rgba(15, 23, 32, 0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  padding: 0 20px;
}

.hero-content h1 {
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 4px;
  margin-bottom: 10px;
  text-shadow: 0 4px 30px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-content .hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(16px, 2.5vw, 22px);
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-content .hero-desc {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  opacity: 0.9;
  max-width: 650px;
  margin: 0 auto 35px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease 0.9s forwards;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--orange);
  color: var(--white);
  padding: 14px 35px;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: var(--transition);
  border: 2px solid var(--orange);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s ease 1.2s forwards;
}

.hero-cta:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.hero-cta i {
  transition: var(--transition);
}

.hero-cta:hover i {
  transform: translateX(4px);
}

/* Slider Arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.slider-arrow.prev {
  left: 30px;
}

.slider-arrow.next {
  right: 30px;
}

/* Slider Dots */
.slider-dots {
  position: absolute;
  bottom: 110px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--orange);
  transform: scale(1.2);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Feature Cards (Overlapping Hero) ---------- */
.features-overlap {
  position: relative;
  z-index: 5;
  margin-top: -100px;
  padding: 0 20px;
  margin-bottom: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 220px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: var(--transition-slow);
}

.feature-card:hover .feature-card-bg {
  transform: scale(1.1);
}

.feature-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(26,35,50,0.3) 0%, rgba(26,35,50,0.8) 100%);
  transition: var(--transition);
}

.feature-card:hover .feature-card-overlay {
  background: linear-gradient(180deg, rgba(13,94,110,0.2) 0%, rgba(13,94,110,0.85) 100%);
}

.feature-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 25px;
  z-index: 1;
}

.feature-card-content h3 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.feature-card-content .feature-line {
  width: 40px;
  height: 3px;
  background: var(--orange);
  margin-top: 10px;
  border-radius: 3px;
  transition: var(--transition);
}

.feature-card:hover .feature-line {
  width: 60px;
  background: var(--white);
}

/* ---------- Section Styles ---------- */
.section {
  padding: 90px 0;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-gray {
  background: var(--gray-100);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header .section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 18px;
}

.section-header h2 span {
  color: var(--orange);
}

.section-dark .section-header h2 {
  color: var(--white);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--gray-600);
}

.section-dark .section-header p {
  color: rgba(255,255,255,0.6);
}

/* ---------- About Section ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 60px;
}

.about-image .experience-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--orange);
  color: var(--white);
  padding: 18px 22px;
  border-radius: 12px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.experience-badge .number {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.experience-badge .text {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 2px;
}

.about-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.about-text h2 span {
  color: var(--orange);
}

.about-text p {
  margin-bottom: 20px;
  font-size: 15px;
  line-height: 1.8;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 25px;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
}

.about-feature-item i {
  color: var(--orange);
  font-size: 18px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--orange);
  color: var(--white);
  padding: 13px 30px;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid var(--orange);
  margin-top: 30px;
}

.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 94, 110, 0.35);
}

/* ---------- Parallax Section ---------- */
.parallax-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 0;
}

@supports (-webkit-touch-callout: none) {
  .parallax-bg {
    background-attachment: scroll;
  }
}

.parallax-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 35, 50, 0.88);
  z-index: 1;
}

.parallax-content {
  position: relative;
  z-index: 2;
}

/* ---------- Stats Section ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.stat-item {
  padding: 30px 20px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---------- Products Section ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
}

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

.product-card-image {
  height: 220px;
  background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-300) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  font-size: 40px;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-body {
  padding: 25px;
}

.product-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  transition: var(--transition);
}

.product-card:hover .product-card-body h3 {
  color: var(--orange);
}

.product-card-body p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.product-card-body .product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--orange);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  margin-top: 15px;
  transition: var(--transition);
}

.product-card-body .product-link:hover {
  gap: 10px;
}

/* ---------- Production Section ---------- */
.production-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.production-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.production-text h2 span {
  color: var(--orange);
}

.production-text p {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 25px;
}

.production-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.production-list-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px 20px;
  background: var(--gray-100);
  border-radius: 10px;
  transition: var(--transition);
}

.production-list-item:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.production-list-item .item-icon {
  width: 40px;
  height: 40px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 18px;
  flex-shrink: 0;
}

.production-list-item .item-text h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 3px;
}

.production-list-item .item-text p {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 0;
}

.production-image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.production-image-placeholder {
  width: 100%;
  height: 450px;
  background: linear-gradient(135deg, var(--navy-light) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 60px;
}

/* ---------- Usage Areas Section ---------- */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.usage-card {
  text-align: center;
  padding: 35px 20px;
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-slow);
  border: 1px solid var(--gray-200);
}

.usage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--orange);
}

.usage-card .usage-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--orange), var(--orange-hover));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 28px;
  transition: var(--transition);
}

.usage-card:hover .usage-icon {
  border-radius: 50%;
  transform: rotateY(180deg);
}

.usage-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.usage-card p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-dark) 100%);
  padding: 70px 0;
  text-align: center;
  color: var(--white);
}

.cta-section h2 {
  color: var(--white);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 15px;
}

.cta-section p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  color: var(--orange);
  padding: 14px 35px;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: 2px solid var(--white);
}

.btn-white:hover {
  background: transparent;
  color: var(--white);
  transform: translateY(-2px);
}

/* ---------- Contact Section ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

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

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 25px;
  background: var(--gray-100);
  border-radius: 12px;
  transition: var(--transition);
}

.contact-info-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.contact-info-card .card-icon {
  width: 50px;
  height: 50px;
  background: var(--orange);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  flex-shrink: 0;
}

.contact-info-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 5px;
}

.contact-info-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.contact-form {
  background: var(--gray-100);
  padding: 35px;
  border-radius: 16px;
}

.contact-form h3 {
  font-size: 22px;
  margin-bottom: 25px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 18px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(13, 94, 110, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--orange);
  color: var(--white);
  padding: 13px 35px;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}

.btn-submit:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 94, 110, 0.35);
}

/* ---------- Map Section ---------- */
.map-section {
  height: 400px;
  background: var(--gray-200);
  position: relative;
}

.map-section iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.footer-brand .logo-icon-sm {
  width: 36px;
  height: 36px;
  background: var(--orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  font-weight: 800;
  font-family: var(--font-heading);
}

.footer-brand .brand-name-sm {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  font-size: 16px;
}

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

.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul li a:hover {
  color: var(--orange);
  padding-left: 5px;
}

.footer-col ul li a i {
  font-size: 12px;
  color: var(--orange);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
}

.footer-contact-item i {
  color: var(--orange);
  margin-top: 3px;
  font-size: 16px;
}

.footer-contact-item p {
  font-size: 14px;
  line-height: 1.5;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.footer-bottom span {
  color: var(--orange);
}

/* ---------- Scroll Animations ---------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.animate-left {
  transform: translateX(-40px);
}

.animate-on-scroll.animate-left.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-right {
  transform: translateX(40px);
}

.animate-on-scroll.animate-right.animated {
  transform: translateX(0);
}

.animate-on-scroll.animate-scale {
  transform: scale(0.9);
}

.animate-on-scroll.animate-scale.animated {
  transform: scale(1);
}

/* Animation delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background: var(--orange);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(13, 94, 110, 0.4);
}

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

.back-to-top:hover {
  background: var(--orange-dark);
  transform: translateY(-3px);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--navy-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    z-index: 1000;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 18px;
    padding: 15px 30px;
  }

  .btn-contact {
    margin-left: 0;
    margin-top: 20px;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: none;
    border: none;
    color: var(--white);
    font-size: 30px;
    cursor: pointer;
    display: none;
  }

  .nav-links.open .mobile-close {
    display: block;
  }

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

  .features-overlap {
    margin-top: -50px;
  }

  .about-grid,
  .production-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

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

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }

  .hero {
    min-height: 550px;
  }

  .feature-card {
    height: 180px;
  }

  .section {
    padding: 60px 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .stat-number {
    font-size: 36px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .slider-arrow {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  .slider-arrow.prev {
    left: 15px;
  }

  .slider-arrow.next {
    right: 15px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    letter-spacing: 2px;
  }

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

  .about-features {
    grid-template-columns: 1fr;
  }
}