/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
  /* Colors - Softnet Brand */
  --primary-orange: #FF6B35;
  --primary-orange-dark: #E55A2B;
  --primary-orange-light: #FF8C5F;
  
  /* Neutrals */
  --dark-bg: #1A1A1A;
  --dark-surface: #2A2A2A;
  --dark-card: #333333;
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0B0;
  --text-muted: #808080;
  
  /* Semantic Colors */
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) 0;
}

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

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

.logo-text {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color var(--transition-base);
  position: relative;
}

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

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-orange);
}

.nav-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.lang-selector {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.lang-selector:hover {
  border-color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.1);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-2xl) 0;
  margin-top: 80px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(26, 26, 26, 0.9) 100%),
              url('/images/hero-bg.jpg') center/cover no-repeat;
  z-index: -1;
}

.hero-background::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 107, 53, 0.2) 0%, transparent 50%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.8; }
}

.hero-content {
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

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

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-orange-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 700px;
}

/* ===================================
   Application Form Section
   =================================== */
.application-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(51, 51, 51, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  animation: fadeIn 0.6s ease-out;
}

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

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.form-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.form-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--primary-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.application-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.required {
  color: var(--primary-orange);
}

.name-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"] {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: all var(--transition-base);
}

input:focus {
  outline: none;
  border-color: var(--primary-orange);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

input::placeholder {
  color: var(--text-muted);
}

/* ===================================
   File Upload Area
   =================================== */
.file-upload-area {
  position: relative;
  border: 2px dashed rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.02);
}

.file-upload-area:hover {
  border-color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.05);
}

.file-upload-area.drag-over {
  border-color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.1);
  transform: scale(1.02);
}

.upload-placeholder svg {
  margin-bottom: var(--spacing-sm);
}

.upload-text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.upload-subtext {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.browse-link {
  color: var(--primary-orange);
  font-weight: 600;
  cursor: pointer;
}

.upload-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.file-preview {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 107, 53, 0.1);
  border-radius: var(--radius-md);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.file-info {
  flex: 1;
  text-align: left;
}

.file-name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.file-size {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.remove-file {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.remove-file:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: scale(1.1);
}

/* ===================================
   Submit Button
   =================================== */
.submit-btn {
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-dark) 100%);
  border: none;
  color: white;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.submit-btn:hover::before {
  left: 100%;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===================================
   Success/Error Messages
   =================================== */
.success-message,
.error-message {
  text-align: center;
  padding: var(--spacing-xl);
  animation: fadeIn 0.5s ease-out;
}

.success-message svg,
.error-message svg {
  margin-bottom: var(--spacing-md);
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-message h3,
.error-message h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.success-message p,
.error-message p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary-orange);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--dark-surface);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.footer-text {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--primary-orange);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .name-inputs {
    grid-template-columns: 1fr;
  }
  
  .form-container {
    padding: var(--spacing-md);
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .form-title {
    font-size: var(--font-size-2xl);
  }
  
  .submit-btn {
    font-size: var(--font-size-base);
  }
}