/* Fischer Telesec Website Styles */

/* Variables */
:root {
  /* Primary Colors - Deep blues and teals */
  --primary-900: #0a2540;
  --primary-800: #0d3353;
  --primary-700: #124166;
  --primary-600: #164f7a;
  --primary-500: #1b5d8d;
  --primary-400: #246fa5;
  --primary-300: #3087c4;
  --primary-200: #4fa3e2;
  --primary-100: #7ec1ff;
  
  /* RGB versions for alpha manipulation */
  --primary-rgb: 27, 93, 141;
  --accent-rgb: 12, 218, 245;
  
  /* Accent Color - Bright teal/cyan */
  --accent: #0cdaf5;
  
  /* Error colors for validation */
  --error: #e53e3e;
  --error-rgb: 229, 62, 62;
  
  /* Neutral Colors */
  --dark: #0a1220;
  --gray-900: #1a202c;
  --gray-800: #2d3748;
  --gray-700: #4a5568;
  --gray-600: #718096;
  --gray-500: #a0aec0;
  --gray-400: #cbd5e0;
  --gray-300: #e2e8f0;
  --gray-200: #edf2f7;
  --gray-100: #f7fafc;
  --gray-50: #f9fafb;
  --white: #ffffff;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
}

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

body {
  font-family: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
}

a {
  text-decoration: none;
  color: var(--primary-500);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-700);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-900);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

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

.section {
  padding: var(--spacing-3xl) 0;
}

.text-center {
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background-color: var(--primary-500);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-600);
  color: var(--white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-500);
  border: 2px solid var(--primary-500);
}

.btn-secondary:hover {
  background-color: var(--primary-500);
  color: var(--white);
}

.btn-accent {
  background-color: var(--accent);
  color: var(--primary-900);
}

.btn-accent:hover {
  background-color: #0ab5cc;
  color: var(--primary-900);
}

/* Header and Navigation */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.top-bar {
  background-color: var(--primary-900);
  color: var(--gray-200);
  font-size: 0.85rem;
  padding: 0.6rem 0;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contact-info {
  display: flex;
  gap: 1.5rem;
}

.contact-info > div {
  display: flex;
  align-items: center;
}

.contact-info i {
  margin-right: 0.5rem;
  color: var(--accent);
  font-size: 0.9rem;
}

.contact-info a {
  color: var(--gray-200);
  transition: color 0.2s ease;
}

.contact-info a:hover {
  color: var(--white);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--gray-400);
  transition: color 0.2s ease;
}

.social-links a:hover {
  color: var(--accent);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-900);
}

.logo img {
  height: 40px;
}

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

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

.nav-menu a {
  color: var(--gray-800);
  font-weight: 500;
}

.nav-menu a:hover, .nav-menu a.active {
  color: var(--primary-500);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--text-2xl);
  color: var(--primary-900);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-900), var(--primary-700));
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/tech-pattern.svg');
  opacity: 0.1;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 500px;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 3.5rem;
}

.hero p {
  font-size: var(--text-xl);
  max-width: 700px;
  margin-bottom: var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* Services Section */
.services-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.service-card {
  background-color: var(--white);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.service-card h3 {
  margin-top: var(--spacing-md);
}

.service-icon {
  font-size: 3rem;
  color: var(--primary-500);
}

.service-card ul {
  list-style-type: none;
  padding-left: 0;
  margin-top: 1rem;
}

.service-card ul li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.service-card ul li:before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  background-image: url('../img/check.png');
  background-repeat: no-repeat;
  background-size: contain;
}

/* Stats Section */
.stats-section {
  background-color: var(--gray-100);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
}

.stat-item h4 {
  font-size: var(--text-4xl);
  color: var(--primary-500);
  margin-bottom: var(--spacing-xs);
}

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

.testimonials-container {
  display: flex;
  gap: var(--spacing-xl);
  overflow-x: auto;
  padding: var(--spacing-md) 0;
  scrollbar-width: none;
}

.testimonials-container::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  background-color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: var(--spacing-xl);
  border-radius: 8px;
  min-width: 300px;
  max-width: 400px;
  flex: 1;
}

.testimonial-content {
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: var(--spacing-md);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-800), var(--primary-600));
  color: var(--white);
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
  background-color: var(--primary-900);
  color: var(--gray-400);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.footer-column h5 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-lg);
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-400);
}

.footer-links a:hover {
  color: var(--gray-100);
}

.newsletter input {
  padding: var(--spacing-sm);
  width: 100%;
  margin-bottom: var(--spacing-sm);
  border: none;
  border-radius: 4px;
}

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

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--primary-800);
  color: var(--white);
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.social-icons a:hover {
  background-color: var(--primary-600);
}

.footer-bottom {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--primary-800);
  text-align: center;
}

/* Client/Partners Section */
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
}

.client-logo {
  max-width: 150px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.client-logo:hover {
  filter: grayscale(0);
  opacity: 1;
}

/* About page styles */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--primary-400);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: var(--spacing-md) 0;
  position: relative;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: var(--spacing-xl);
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: var(--spacing-xl);
}

.timeline-content {
  padding: var(--spacing-lg);
  background-color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
}

/* Team Section */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.team-member {
  background-color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-5px);
}

.team-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.team-info {
  padding: var(--spacing-lg);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--gray-400);
  border-radius: 4px;
  font-size: var(--text-md);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 2px rgba(27, 93, 141, 0.2);
}

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

.contact-info-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  border-radius: 6px;
  padding: 0.75rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background-color: rgba(255, 255, 255, 0.03);
}

.contact-item:hover {
  background-color: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.contact-item i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-right: 12px;
  margin-top: 3px;
  width: 20px;
  text-align: center;
}

.contact-text {
  flex: 1;
}

.contact-text strong {
  display: block;
  color: var(--primary-600);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 3px;
}

.contact-text p {
  margin: 0;
  line-height: 1.5;
  font-size: 0.95rem;
}

.contact-text a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-text a:hover {
  color: var(--accent);
}

/* Portfolio/Work Page */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--gray-200);
  color: var(--gray-700);
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--primary-500);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 37, 64, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4 {
  color: var(--white);
  margin-bottom: var(--spacing-xs);
}

.portfolio-overlay p {
  color: var(--gray-300);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero h1 {
    font-size: 2.8rem;
  }
  
  .timeline::after {
    left: 31px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 0;
  }
  
  .timeline-item:nth-child(even) {
    left: 0;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 60px;
    left: -100%;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    height: calc(100vh - 60px);
    padding: var(--spacing-xl);
    transition: left 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: var(--spacing-md) 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .hero p {
    font-size: var(--text-md);
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .top-bar-content {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
  }
  
  .contact-info {
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xs);
  }
  
  .contact-info > div {
    margin-right: 0;
    margin-bottom: var(--spacing-xs);
  }
  
  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  /* Hide top bar on mobile devices */
  .top-bar {
    display: none;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: var(--text-4xl);
  }
  
  h2 {
    font-size: var(--text-3xl);
  }
  
  .hero-content {
    min-height: 400px;
  }
  
  .testimonial-card {
    min-width: 100%;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInFromBottom {
  from { transform: translateY(50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 1s ease-in-out;
}

.animate-slide-in {
  animation: slideInFromBottom 0.8s ease-in-out;
}

/* Custom gradient text effect */
.gradient-text {
  background: linear-gradient(to right, var(--primary-500), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}