/* Main Styles */
:root {
  --primary-color: #C30000;
  --secondary-color: #333333;
  --light-gray: #f5f5f5;
  --medium-gray: #cccccc;
  --dark-gray: #666666;
  --white: #ffffff;
  --black: #000000;
  --transition: all 0.3s ease;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --border-radius: 5px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--secondary-color);
  background-color: var(--white);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

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

ul {
  list-style: none;
}

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

.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  text-align: center;
}

.btn:hover {
  background-color: #a00000;
  transform: translateY(-3px);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
  color: var(--secondary-color);
  position: relative;
  display: inline-block;
}

.title-line {
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 0 auto;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  z-index: 1000;
  padding: var(--spacing-xs) 0;
  transition: var(--transition);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-text {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 5px 10px;
  border-radius: var(--border-radius);
  letter-spacing: 1px;
}

.company-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--secondary-color);
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-text {
  background-color: var(--white);
  color: var(--primary-color);
}

.menu {
  display: flex;
}

.menu li {
  margin-left: var(--spacing-md);
}

.menu a {
  color: var(--secondary-color);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.menu a:hover::after {
  width: 100%;
}

.contact-btn {
  background-color: var(--primary-color);
  color: var(--white) !important;
  padding: var(--spacing-xs) var(--spacing-sm) !important;
  border-radius: var(--border-radius);
}

.contact-btn:hover {
  background-color: #a00000;
}

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

.mobile-menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  right: 25px;
  bottom: 25px;
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: #a00000;
  transform: translateY(-3px);
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.footer-about p {
  margin-bottom: var(--spacing-sm);
  color: var(--medium-gray);
}

.social-links {
  display: flex;
  gap: var(--spacing-xs);
}

.social-links a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-links h3,
.footer-services h3,
.footer-contact h3 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-links h3::after,
.footer-services h3::after,
.footer-contact h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary-color);
}

.footer-links ul li,
.footer-services ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-links ul li a,
.footer-services ul li {
  color: var(--medium-gray);
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: var(--primary-color);
  padding-left: var(--spacing-xs);
}

.footer-contact p {
  margin-bottom: var(--spacing-xs);
  color: var(--medium-gray);
  display: flex;
  align-items: flex-start;
}

.footer-contact p i {
  margin-right: var(--spacing-xs);
  color: var(--primary-color);
  margin-top: 5px;
}

.footer-bottom {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--medium-gray);
  font-size: 0.9rem;
}

/* Animation */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s, transform 0.8s;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* Media Queries */
@media (max-width: 992px) {
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-icon {
    display: block;
  }

  .menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu li {
    margin: var(--spacing-xs) 0;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .company-name {
    display: none;
  }
}

@media (max-width: 576px) {
  .footer-container {
    grid-template-columns: 1fr;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .footer-logo {
    font-size: 1.3rem;
  }
}