/* Promonolo - Modern Dark SaaS Theme */
:root {
  --bg: #0b0b10;
  --panel: #10121a;
  --text: #f6f7fb;
  --muted: #7f86a3;
  --primary: #7a87ff;
  --primary-2: #b07bff;
  --accent: #ffb089;
  --border: #1a1d29;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
}

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

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
  margin-bottom: 1rem;
  color: var(--muted);
}

.lead {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 2rem;
}

/* Layout */
.section {
  padding: 4rem 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  font-size: 1rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(122, 135, 255, 0.3);
}

.btn.secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.secondary:hover {
  background: var(--border);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 2rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.pill:hover {
  background: var(--border);
  transform: translateY(-1px);
}

.pill.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  border-color: transparent;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: var(--primary);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  background: rgba(11, 11, 16, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hero */
.hero {
  text-align: center;
  padding: 6rem 0;
}

.hero-kicker {
  margin-bottom: 1rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text), var(--muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

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

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(122, 135, 255, 0.1);
}

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

/* Toggle */
.toggle {
  display: flex;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.25rem;
  margin-bottom: 2rem;
}

.toggle-option {
  flex: 1;
  padding: 0.75rem 1rem;
  text-align: center;
  cursor: pointer;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
  font-weight: 500;
}

.toggle-option.active {
  background: var(--primary);
  color: white;
}

/* Tabs */
.tabs {
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.tab-list {
  display: flex;
  list-style: none;
  gap: 0;
}

.tab {
  padding: 1rem 1.5rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  font-weight: 500;
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Code blocks */
.code-block {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 1rem 0;
  overflow-x: auto;
  position: relative;
}

.code-block pre {
  margin: 0;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #e6edf3;
}

.code-actions {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
}

.code-btn {
  padding: 0.5rem 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  color: var(--text);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.code-btn:hover {
  background: var(--border);
}

/* Phone mock */
.phone {
  width: 300px;
  height: 600px;
  background: #1a1a1a;
  border-radius: 2rem;
  padding: 2rem 1rem;
  margin: 0 auto;
  position: relative;
  border: 8px solid #333;
}

.phone::before {
  content: '';
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #666;
  border-radius: 2px;
}

.phone-content {
  height: 100%;
  background: var(--panel);
  border-radius: 1rem;
  padding: 1rem;
  overflow-y: auto;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.modal-close:hover {
  color: var(--text);
}

/* Progress bar */
.progress {
  width: 100%;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  width: 0%;
  transition: width 0.3s ease;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.table th,
.table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.table th {
  font-weight: 600;
  color: var(--text);
  background: var(--panel);
}

.table td {
  color: var(--muted);
}

/* Footer */
.footer {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

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

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Responsive */
@media (max-width: 980px) {
  .container {
    padding: 0 1rem;
  }
  
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .phone {
    width: 250px;
    height: 500px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Utility classes */
.text-center { text-align: center; }
.text-muted { color: var(--muted); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* Focus styles for accessibility */
.btn:focus,
.pill:focus,
.form-input:focus,
.form-textarea:focus,
.tab:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ARIA hidden utility */
[aria-hidden="true"] {
  display: none !important;
}