/* ==========================================
   Visionary Software Solutions - Main Styles
   ========================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ==========================================
   CSS Variables & Design System
   ========================================== */
:root {
  /* Color Palette */
  --navy-dark: #0a1628;
  --navy-primary: #132844;
  --navy-medium: #1e3a5f;
  --blue-accent: #00d4ff;
  --teal-accent: #00ffc8;
  --white: #ffffff;
  --gray-light: #e8edf2;
  --gray-medium: #8b9db3;
  --gradient-primary: linear-gradient(135deg, #132844 0%, #1e3a5f 100%);
  --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #00ffc8 100%);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.6s ease;

  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 16px;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--navy-dark);
  color: var(--gray-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ==========================================
   Animated Background Elements
   ========================================== */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.bg-gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 15s ease-in-out infinite;
}

.orb-1 {
  top: 10%;
  left: 10%;
  width: 400px;
  height: 400px;
  background: var(--blue-accent);
  animation-delay: 0s;
}

.orb-2 {
  bottom: 10%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: var(--teal-accent);
  animation-delay: 5s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -30px) scale(1.1); }
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
  font-size: 1.125rem;
  color: var(--gray-medium);
  margin-bottom: 1rem;
}

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-medium);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(10, 22, 40, 0.98);
  border-bottom-color: rgba(0, 212, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.02);
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: var(--gradient-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy-dark);
  position: relative;
  overflow: hidden;
}

.logo-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--white);
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-menu a {
  color: var(--gray-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--white);
}

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

.nav-menu a.active {
  color: var(--blue-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

/* ==========================================
   Buttons & CTAs
   ========================================== */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-medium), height var(--transition-medium);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--navy-dark);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--blue-accent);
}

.btn-secondary:hover {
  background: rgba(0, 212, 255, 0.1);
  transform: translateY(-2px);
}

/* ==========================================
   Main Content Container
   ========================================== */
.main-content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-top: 80px;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: var(--spacing-xl) 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--blue-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.hero h1 {
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--gray-medium);
  margin-bottom: 2.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-header h2 {
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-header p {
  max-width: 700px;
  margin: 1.5rem auto 0;
  font-size: 1.125rem;
}

/* ==========================================
   Service Cards
   ========================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.service-card {
  background: rgba(30, 58, 95, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-medium);
  z-index: 0;
}

.service-card:hover::before {
  opacity: 0.05;
}

.service-card:hover {
  transform: translateY(-10px);
  border-color: var(--blue-accent);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  transition: transform var(--transition-fast);
}

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

.service-card h3 {
  margin-bottom: 1rem;
  color: var(--white);
}

.service-card p {
  color: var(--gray-medium);
  font-size: 1rem;
  line-height: 1.7;
}

/* ==========================================
   About Page Styles
   ========================================== */
.about-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: var(--spacing-lg) 0;
}

.value-card {
  background: rgba(30, 58, 95, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-medium);
}

.value-card:hover {
  border-color: var(--blue-accent);
  transform: translateY(-5px);
}

.value-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.value-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.team-section {
  background: rgba(30, 58, 95, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: center;
}

/* ==========================================
   Contact Page Styles
   ========================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  position: sticky;
  top: 120px;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(30, 58, 95, 0.2);
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--blue-accent);
  transform: translateX(5px);
}

.contact-item-icon {
  font-size: 1.5rem;
  color: var(--blue-accent);
  flex-shrink: 0;
}

.contact-item-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
  color: var(--gray-light);
}

.contact-item-content p {
  color: var(--gray-medium);
  font-size: 0.95rem;
  margin: 0;
}

.contact-form-container {
  background: rgba(30, 58, 95, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-weight: 600;
  color: var(--white);
  font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
  padding: 1rem;
  background: rgba(10, 22, 40, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--border-radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-group.error input,
.form-group.error textarea {
  border-color: #ff4757;
}

.error-message {
  color: #ff4757;
  font-size: 0.875rem;
  margin-top: -0.5rem;
}

.form-success {
  background: rgba(0, 255, 200, 0.1);
  border: 1px solid var(--teal-accent);
  border-radius: var(--border-radius);
  padding: 1rem;
  color: var(--teal-accent);
  text-align: center;
  font-weight: 500;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  position: relative;
  z-index: 1;
  background: rgba(10, 22, 40, 0.95);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  padding: 2rem 0;
  margin-top: var(--spacing-xl);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--gray-medium);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  color: var(--gray-medium);
  font-size: 0.9rem;
}

.footer-domain {
  color: var(--blue-accent);
  font-weight: 500;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 300px;
    height: calc(100vh - 80px);
    background: rgba(10, 22, 40, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    transition: right var(--transition-medium);
    border-left: 1px solid rgba(0, 212, 255, 0.2);
  }

  .nav-menu.active {
    right: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

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

  .contact-info {
    position: static;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .hero {
    min-height: 80vh;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

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

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

@media (max-width: 480px) {
  .nav-container {
    padding: 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .logo-text {
    font-size: 1rem;
  }

  .service-card,
  .contact-form-container {
    padding: 1.5rem;
  }
}

/* ==========================================
   Utility Classes
   ========================================== */
.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}