:root {
  --color-primary: #d32f2f;
  --color-secondary: #e53935;
  --color-dark: #1a1a1a;
  --color-dark-accent: #333333;
  --color-light: #ffffff;
  --color-bg: #f9f9f9;
  --color-footer: #d1d5db;
  --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.1);
  --border-radius: 0.75rem;
  --transition: all 0.3s ease-in-out;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-900: #111827;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-dark);
  text-align: center;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--color-dark-accent);
  max-width: 700px;
  margin: 0 auto 3rem auto;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-align: center;
  min-width: 140px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-light);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-light);
  color: var(--color-primary);
  border: 2px solid var(--color-light);
}

.btn-secondary:hover {
  background-color: transparent;
  color: var(--color-light);
}

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

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-light);
  z-index: 1000;
  transition: var(--transition);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.header.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.nav__logo img {
  height: 80px;
  width: auto;
}

.nav__menu {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav__item {
  position: relative;
}

.nav__link {
  text-decoration: none;
  color: var(--color-dark-accent);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition);
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

.nav__link:hover,
.nav__link:focus {
  color: var(--color-primary);
  outline: none;
}

.nav__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.nav__link i {
  font-size: 0.9rem;
  transition: var(--transition);
}

/* Dropdown Styles */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 280px;
  background: var(--color-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: 1rem 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--color-dark-accent);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.dropdown-item:hover {
  background-color: rgba(211, 47, 47, 0.05);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  padding-left: 2rem;
}

.nav__toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-dark);
  background: none;
  border: none;
  padding: 0.5rem;
}

.nav__close {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-dark);
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  padding-top: 8rem;
  padding-bottom: 4rem;
  background-image: url("../assets/factory1.png");
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  color: var(--color-light);
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, rgba(26, 26, 26, 0.5), rgba(26, 26, 26, 0.5));
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.hero__text {
  animation: slideUp 1s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

.hero__headline {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--color-light);
}

.hero__headline span {
  color: var(--color-primary);
  display: inline;
}

.hero__description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  font-weight: 550;
  line-height: 1.8;
}

.hero__buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* About Section */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.about__image {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

.about__title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--color-dark);
}

.about__description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-dark-accent);
}

/* Stats Section */
.stats {
  position: relative;
  background-image: url("assets/home_page/rooftop.png");
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.stats__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, rgba(26, 26, 26, 0.6), rgba(26, 26, 26, 0.6));
}

.stats__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.stats h3 {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.stats p {
  font-size: 1.1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

/* Vision & Mission */
.vision-mission__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: flex-start;
}

.vision-mission__title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.vision-mission__list {
  list-style: none;
  padding-left: 0;
}

.vision-mission__list li {
  font-size: 1.1rem;
  color: var(--color-dark-accent);
  line-height: 1.8;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.vision-mission__list li i {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

/* Products Showcase */
.products-showcase {
  background: var(--color-bg);
  padding: 4rem 0;
  text-align: center;
}

.products-title {
  font-size: 2rem;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.products-subtitle {
  font-size: 1.1rem;
  color: var(--color-dark-accent);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.products-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.product-item {
  background: var(--color-light);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.product-image {
  padding: 2rem;
  background: #f8f9fa;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image img {
  width: 100%;
  height: 200px;
  object-fit: contain;
}

.product-info {
  padding: 1.5rem;
}

.product-info h3 {
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

/* Product Range */
.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background-color: var(--color-light);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid transparent;
  text-align: center;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(211, 47, 47, 0.2);
}

.product-card__icon {
  font-size: 3.5rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  line-height: 1;
}

.product-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.product-card__description {
  font-size: 0.95rem;
  color: var(--color-dark-accent);
  line-height: 1.6;
}

/* Why Us Section */
.why-us {
  position: relative;
  background-color: var(--gray-900);
  padding: 4rem 0;
  overflow: hidden;
}

.products-bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  z-index: 1;
}

.why-us .container {
  position: relative;
  z-index: 2;
}

.why-us .section-title,
.why-us .section-subtitle {
  color: var(--color-light) !important;
}

.why-us__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  background-color: rgba(255, 255, 255, 0.95);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 3rem;
}

.why-us-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--color-light);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.why-us-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.why-us-item__icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-top: 5px;
  line-height: 1;
  flex-shrink: 0;
}

.why-us-item__content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.why-us-item__content p {
  font-size: 0.95rem;
  color: var(--color-dark-accent);
  line-height: 1.6;
}

/* Pre Engineering */
.pre_engineering .container {
  text-align: center;
}

.pre_engineering img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

/* Passion Section */
.passion {
  background-color: var(--color-dark);
  color: var(--color-light);
}

.passion__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

.passion__title {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  color: var(--color-light);
}

.passion__description {
  font-size: 1.1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
}

.passion__image-container img {
  border-radius: var(--border-radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
  background-color: var(--color-footer);
  color: var(--gray-700);
  padding: 4rem 0 2rem 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer__logo img {
  height: 120px;
  width: auto;
  margin-bottom: 1.5rem;
}

.footer__description {
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.footer__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 1.5rem;
}

.footer__list {
  list-style: none;
}

.footer__list-item {
  margin-bottom: 0.75rem;
}

.footer__link {
  text-decoration: none;
  color: var(--gray-700);
  transition: var(--transition);
  font-size: 0.95rem;
  display: inline-block;
}

.footer__link:hover {
  color: var(--color-primary);
  transform: translateX(5px);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.footer__contact-item i {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer__copyright {
  text-align: center;
  font-size: 0.9rem;
  padding-top: 2rem;
  color: var(--gray-600);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Scroll Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Dropdown Styles */
@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-light);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding-top: 5rem;
    transition: var(--transition);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    overflow-y: auto;
  }

  .nav__menu.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding: 1rem 0;
  }

  .nav__item {
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .nav__link {
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    justify-content: space-between;
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.03);
    border: none;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .dropdown.active .dropdown-menu {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .dropdown.active .dropdown-toggle i {
    transform: rotate(180deg);
  }

  .dropdown-toggle i {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .dropdown-item {
    padding: 0.85rem 2.5rem;
    border-left: 4px solid transparent;
    font-size: 0.95rem;
  }

  .dropdown-item:hover,
  .dropdown-item:focus {
    padding-left: 3rem;
    border-left-color: var(--color-primary);
  }

  .nav__toggle,
  .nav__close {
    display: block;
    z-index: 1002;
  }

  .hero {
    background-attachment: scroll;
    min-height: auto;
    padding-top: 6rem;
  }

  .hero__headline {
    font-size: 2rem;
  }

  .hero__description {
    font-size: 1rem;
  }

  .hero__buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  .btn {
    width: 100%;
    margin-bottom: 1rem;
  }

  .stats {
    background-attachment: scroll;
  }

  .stats__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .stats h3 {
    font-size: 2rem;
  }

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

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

  .why-us__grid {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  .why-us-item {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .why-us-item__icon {
    margin-bottom: 1rem;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Tablet Styles */
@media (min-width: 769px) and (max-width: 992px) {
  .hero__headline {
    font-size: 2.75rem;
  }

  .about__grid,
  .vision-mission__grid,
  .passion__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

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

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
  }

  .footer__col--1 {
    grid-column: span 3;
  }

  .dropdown-menu {
    position: absolute;
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* Desktop Styles */
@media (min-width: 993px) {
  .section {
    padding: 6rem 0;
  }

  .section-title {
    font-size: 2.75rem;
  }

  .hero {
    padding-top: 10rem;
    padding-bottom: 6rem;
    min-height: 100vh;
  }

  .hero__headline {
    font-size: 3.5rem;
  }

  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }

  .stats h3 {
    font-size: 3rem;
  }

  .vision-mission__grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .passion__grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 2fr 3fr;
    gap: 2rem;
  }

  .dropdown-menu {
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* Large Desktop Styles */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }

  .hero__headline {
    font-size: 4rem;
  }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    width: 95%;
    padding: 0 10px;
  }

  .hero__headline {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .about__title,
  .vision-mission__title,
  .passion__title,
  .products-title {
    font-size: 1.75rem;
  }

  .hero__buttons .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .product-card,
  .why-us-item {
    padding: 1.5rem 1rem;
  }

  .nav__menu {
    width: 250px;
  }

  .nav__logo img {
    height: 60px;
  }

  .footer__logo img {
    height: 100px;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {

  .hero,
  .stats {
    /* background-image : url("assets/factory1@2x.png"); */
  }
}

/* Print Styles */
@media print {

  .header,
  .footer,
  .btn,
  .hero__buttons,
  .nav {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }

  .section {
    padding: 2rem 0;
    page-break-inside: avoid;
  }

  a {
    text-decoration: none;
    color: #000;
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #121212;
    color: #e0e0e0;
  }

  .header,
  .footer,
  .product-card,
  .product-item,
  .why-us-item {
    background-color: #1e1e1e;
  }

  .section-title,
  .about__title,
  .vision-mission__title,
  .product-info h3,
  .product-card__title,
  .why-us-item__content h3 {
    color: #ffffff;
  }

  .section-subtitle,
  .about__description,
  .vision-mission__list li,
  .product-card__description,
  .why-us-item__content p {
    color: #b0b0b0;
  }
}