/* Navura Group - Main Stylesheet */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* ===== VARIABLES ===== */
:root {
  /* Primary Colors */
  --primary-dark: #0a1a2f;
  --primary-blue: #1a3a5f;
  --primary-light: #e0e6f0;
  
  /* Accent Colors */
  --accent-gold: #d4af37;
  --accent-silver: #c0c0c0;
  --accent-teal: #008080;
  
  /* Text Colors */
  --text-white: #ffffff;
  --text-light: #f0f0f0;
  --text-dark: #333333;
  --text-muted: #888888;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-medium: 0.5s ease;
  --transition-slow: 0.8s ease;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-light);
  background-color: var(--primary-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-white);
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
  position: relative;
  margin-bottom: var(--spacing-md);
}

h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 80px;
  height: 3px;
  background-color: var(--accent-gold);
}

h3 {
  font-size: 1.8rem;
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--accent-gold);
}

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

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

.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

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

.section-title h2 {
  display: inline-block;
}

.section-title h2::after {
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: transparent;
  border: 2px solid var(--accent-gold);
  color: var(--text-white);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--accent-gold);
  transition: all var(--transition-medium);
  z-index: -1;
}

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

.btn:hover::before {
  left: 0;
}

.btn-primary {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--primary-dark);
}

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

.btn-primary:hover {
  color: var(--accent-gold);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-fast);
}

.header.scrolled {
  background-color: rgba(10, 26, 47, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
}

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

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

.logo img {
  height: 50px;
  transition: height var(--transition-fast);
}

.header.scrolled .logo img {
  height: 40px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: var(--spacing-md);
}

.language-switch {
  margin-left: var(--spacing-md);
  position: relative;
}

.language-switch .nav-link {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.language-switch .nav-link:hover {
  background-color: var(--accent-gold);
  color: var(--primary-dark);
}

.language-switch .nav-link::after {
  display: none;
}

.nav-link {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 5px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: var(--primary-dark);
}

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

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.5s;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 0.8s;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s forwards 1.1s;
}

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

/* ===== ABOUT SECTION ===== */
.about {
  background-color: var(--primary-blue);
  position: relative;
  overflow: hidden;
}

.about-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  opacity: 0.1;
  z-index: 0;
}

.about-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.about-text {
  padding-right: var(--spacing-md);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.feature-item:hover {
  transform: translateY(-10px);
}

.feature-icon {
  margin-bottom: var(--spacing-sm);
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-icon img {
  height: 60px;
  transition: transform var(--transition-medium);
}

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

.feature-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

/* ===== SERVICES SECTION ===== */
.services {
  background-color: var(--primary-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.service-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.service-card:hover .service-image img {
  transform: scale(1.1);
}

.service-content {
  padding: var(--spacing-md);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.service-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: var(--accent-gold);
}

.service-description {
  margin-bottom: var(--spacing-md);
}

/* ===== PROCESS SECTION ===== */
.process {
  background-color: var(--primary-blue);
  position: relative;
  overflow: hidden;
}

.process-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  opacity: 0.05;
  z-index: 0;
}

.process-steps {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 var(--spacing-sm);
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 40px;
  right: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-gold);
  z-index: -1;
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 80px;
  height: 80px;
  background-color: var(--primary-dark);
  border: 2px solid var(--accent-gold);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto var(--spacing-md);
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  position: relative;
  z-index: 1;
}

.step-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

/* ===== PROJECTS SECTION ===== */
.projects {
  background-color: var(--primary-dark);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 300px;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(10, 26, 47, 0.9), rgba(10, 26, 47, 0.3));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.project-card:hover .project-image {
  transform: scale(1.1);
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.project-category {
  color: var(--accent-gold);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transform: translateY(20px);
  transition: transform var(--transition-medium);
}

.project-card:hover .project-title,
.project-card:hover .project-category {
  transform: translateY(0);
}

/* ===== CONTACT SECTION ===== */
.contact {
  background-color: var(--primary-blue);
  position: relative;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact-info {
  padding-right: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-right: var(--spacing-sm);
}

.contact-form {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-family: 'Montserrat', sans-serif;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-gold);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--primary-dark);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo img {
  height: 40px;
  margin-bottom: var(--spacing-sm);
}

.footer-about {
  grid-column: span 2;
}

.footer-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-gold);
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: var(--spacing-xs);
}

.footer-link a {
  color: var(--text-light);
  transition: color var(--transition-fast);
}

.footer-link a:hover {
  color: var(--accent-gold);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.social-icon:hover {
  background-color: var(--accent-gold);
}

.social-icon i {
  color: var(--text-white);
}

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

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
  html {
    font-size: 14px;
  }
  
  .about-content,
  .contact-container,
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .about-features {
    margin-top: var(--spacing-md);
  }
  
  .process-steps {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .process-step {
    padding: var(--spacing-md);
  }
  
  .process-step::after {
    width: 2px;
    height: 100%;
    top: 50%;
    left: 40px;
    right: auto;
  }
  
  .step-number {
    margin: 0;
    margin-right: var(--spacing-md);
  }
  
  .footer-about {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - 80px);
    background-color: var(--primary-dark);
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    transition: right var(--transition-medium);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-item {
    margin: var(--spacing-sm) 0;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    text-align: center;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}