/* EthynosAI Styles - Optimized */
:root {
    --ink: #0f172a;
    --muted: #475569;
    --bg: #f8fafc;
    --card: #ffffff;
    --line: #e2e8f0;
    --brand: #111827;
    --brand-ink: #0b1220;
    --accent: #0ea5e9;
    --ok: #0f766e;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html, body {
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
  }
  
  
  .container {
    max-width: 1160px;
    margin-inline: auto;
    padding: 24px;
  }
  
  .section {
    padding: 56px 0;
  }
  
  .section.alt {
    background: #fff;
  }
  
  .grid {
    display: grid;
    gap: 20px;
  }
  
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  @media (max-width: 960px) {
    .grid-2, .grid-3 {
      grid-template-columns: 1fr;
    }
  }
  
  .card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
  }
  
  .kicker {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    background: #eef2ff;
    color: #3730a3;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 800;
    border: 1px solid #e9eafc;
  }
  
  .h1 {
    font-size: 44px;
    line-height: 1.15;
    margin: 14px 0 10px;
    font-weight: 900;
  }
  
  .h2 {
    font-size: 28px;
    margin: 0 0 10px;
    font-weight: 800;
  }
  
  .h3 {
    font-size: 20px;
    margin: 0;
    font-weight: 700;
  }
  
  .lead {
    color: var(--muted);
    font-size: 18px;
    max-width: 62ch;
  }
  
  .muted {
    color: var(--muted);
  }
  
  .small {
    font-size: 12px;
    color: #64748b;
  }
  
  .tag {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    background: #f1f5f9;
    margin-right: 6px;
    margin-bottom: 6px;
    display: inline-block;
  }
  
  /* List */
  .list {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--line);
  }
  
  .list li:last-child {
    border-bottom: none;
  }
  
  /* Nav */
  .nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #ffffffcc;
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  
  .nav .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
  }
  
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .logo {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: var(--brand);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 14px;
  }
  
  .badge {
    padding: 3px 10px;
    border-radius: 999px;
    background: #e0f2fe;
    color: #075985;
    font-size: 12px;
    border: 1px solid #bae6fd;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--brand);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 12px 18px;
    font-weight: 800;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: filter 0.2s;
  }
  
  .btn:hover {
    filter: brightness(0.95);
    text-decoration: none;
  }
  
  .btn.outline {
    background: #fff;
    color: var(--brand);
    border: 1px solid var(--brand);
  }
  
  .btn.ghost {
    background: transparent;
    border: 1px dashed #cbd5e1;
    color: #fff;
  }
  
  .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }
  
  /* Table */
  .table-wrap {
    overflow: auto;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
  }
  
  table {
    border-collapse: collapse;
    width: 100%;
    min-width: 560px;
  }
  
  th, td {
    border-bottom: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
  }
  
  thead th {
    background: #f1f5f9;
    font-weight: 800;
    font-size: 14px;
  }
  
  tbody tr:last-child td {
    border-bottom: none;
  }
  
  /* Charts */
  .chart {
    display: grid;
    gap: 12px;
  }
  
  .bar {
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px;
  }
  
  .bar .label {
    font-size: 12px;
    color: var(--muted);
  }
  
  .bar .track {
    height: 10px;
    background: #e5e7eb;
    border-radius: 6px;
    margin-top: 6px;
    overflow: hidden;
  }
  
  .bar .fill {
    height: 100%;
    background: #111827;
    border-radius: 6px;
    transition: width 0.3s ease;
  }
  
  /* Contact Form */
  .form {
    display: grid;
    gap: 14px;
    margin-top: 20px;
  }
  
  .form .row {
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr 1fr;
  }
  
  @media (max-width: 720px) {
    .form .row {
      grid-template-columns: 1fr;
    }
  }
  
  label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: #334155;
    margin-bottom: 6px;
  }
  
  input, textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #0f172a;
    font-size: 14px;
    font-family: inherit;
  }
  
  input:focus, textarea:focus {
    outline: 3px solid #bae6fd;
    border-color: #60a5fa;
  }
  
  textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .form-help {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
  }
  
  .form .actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
  }
  
  /* Notification */
  .notification {
    position: fixed;
    top: 80px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    z-index: 9999;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    animation: slideIn 0.3s ease;
  }
  
  @keyframes slideIn {
    from {
      transform: translateX(400px);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
  
  .notification.success {
    background-color: #059669;
  }
  
  .notification.error {
    background-color: #dc2626;
  }
  
  /* reCAPTCHA Container */
  .recaptcha-container {
    display: flex;
    justify-content: center;
    margin: 15px 0;
  }
  
  /* Footer */
  .footer {
    border-top: 1px solid var(--line);
    background: #fff;
    padding: 40px 0 20px;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .h1 {
      font-size: 32px;
    }
    
    .h2 {
      font-size: 24px;
    }
    
    .nav .inner {
      flex-direction: column;
      gap: 12px;
    }
    
    .nav .inner > div:last-child {
      flex-wrap: wrap;
      justify-content: center;
    }
  }