/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 15, 31, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  background: rgba(10, 15, 31, 0.98);
}

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

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-accent);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

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

/* Burger Menu */
.burger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 1001;
}

.burger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-normal);
  transform-origin: left;
}

.burger.active .burger-line:nth-child(1) {
  transform: rotate(45deg);
}

.burger.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger.active .burger-line:nth-child(3) {
  transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 300px;
  height: 100vh;
  background: var(--color-bg-secondary);
  padding: var(--spacing-2xl) var(--spacing-lg);
  transition: right var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
}

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

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.mobile-nav-link {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  font-weight: 500;
  display: block;
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-text-primary);
  transform: translateX(5px);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 998;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 50%, rgba(77, 91, 206, 0.2) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(99, 224, 233, 0.2) 0%, transparent 50%);
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
  animation: fadeInDown 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s both;
}

/* Animated Background */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

.hero-bg::before,
.hero-bg::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: float 20s infinite ease-in-out;
}

.hero-bg::before {
  background: var(--color-accent-start);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.hero-bg::after {
  background: var(--color-accent-end);
  bottom: -200px;
  right: -200px;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(100px, -100px) scale(1.1);
  }
  66% {
    transform: translate(-100px, 100px) scale(0.9);
  }
}

/* Cards */
.card {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

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

.card-content {
  position: relative;
  z-index: 1;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.card-icon i {
    font-size: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Solutions Gallery */
.solutions-gallery {
  display: flex;
  gap: var(--spacing-lg);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--spacing-md);
  margin: 0 calc(-1 * var(--spacing-lg));
  padding: 0 var(--spacing-lg) var(--spacing-md);
}

.solution-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.solution-card:hover {
  transform: scale(1.05);
}

.solution-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.solution-icon i {
    font-size: inherit;
}

/* Team Members */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.team-member {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.team-member-image {
  width: 100%;
  height: 250px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

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

.team-member-name {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.team-member-role {
  color: var(--color-accent-end);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.team-member-bio {
  color: var(--color-text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.team-member.expanded .team-member-bio {
  max-height: 200px;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent-end);
  background: var(--color-bg-tertiary);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  color: #FF6B6B;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
  border-color: #FF6B6B;
}

.form-checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--color-accent-end);
}

/* Footer */
.footer {
  background: var(--color-bg-secondary);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-muted);
}

/* Loading States */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: var(--color-accent-end);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Success/Error Messages */
.message {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideInDown var(--transition-normal);
}

.message-success {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #10B981;
}

.message-error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.5);
  color: #EF4444;
}