/* ==================== VARIABLES ==================== */
:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #6366f1;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-color: #334155;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* ==================== RESET ==================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ==================== CONTAINER ==================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-block {
  width: 100%;
}

/* ==================== HERO ==================== */
.hero {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1a2e 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--success);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ==================== SECTIONS ==================== */
section {
  padding: 5rem 0;
}

section h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

/* ==================== BENEFITS ==================== */
.benefits {
  background: var(--bg-card);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.benefit-card {
  background: var(--bg-dark);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.benefit-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ==================== PRODUCTS ==================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.product-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.product-card:hover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

.product-name {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-price {
  font-size: 0.875rem;
  color: var(--success);
}

/* ==================== APPLY FORM ==================== */
.apply {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #1a1a2e 100%);
}

.apply-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

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

/* ==================== AUDIO RECORDER ==================== */
.audio-section {
  background: var(--bg-dark);
  border-radius: var(--border-radius-sm);
  padding: 1.5rem;
  margin-top: 1rem;
}

.audio-instructions {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-style: italic;
}

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

.recorder-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.status-icon {
  font-size: 1.5rem;
}

.status-text {
  color: var(--text-secondary);
}

.recorder-timer {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: monospace;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.recorder-timer.recording {
  color: var(--danger);
}

.recorder-controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.btn-record,
.btn-stop {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-record {
  background: var(--danger);
  color: white;
}

.btn-record:hover {
  background: #dc2626;
}

.btn-record.recording {
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.btn-stop {
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-stop:hover {
  background: var(--bg-hover);
}

.audio-preview {
  width: 100%;
  margin: 1rem 0;
  border-radius: var(--border-radius-sm);
}

.btn-retry {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
}

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

/* ==================== FILE UPLOAD ==================== */
.file-upload {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.file-upload:hover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.05);
}

.file-upload.dragover {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

.file-upload.has-file {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.file-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.file-icon {
  font-size: 2rem;
}

.file-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ==================== SUCCESS MESSAGE ==================== */
.success-message {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--success);
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.success-message h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--success);
}

.success-message p {
  color: var(--text-secondary);
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==================== UTILITIES ==================== */
.hidden {
  display: none !important;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 0;
  }
  
  .hero-stats {
    gap: 1.5rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .apply-form {
    padding: 1.5rem;
  }
}