:root{
    --bg:#0b1220;
    --card:#0f1a2f;
    --text:#eaf0ff;
    --muted:#b7c3e6;
    --line:#223056;
    --accent:#4f8cff;
    --accent2:#18d6a5;
    --warn:#ffcc66;
    --shadow: 0 12px 40px rgba(0,0,0,.35);
    --radius: 18px;
  }
  *{box-sizing:border-box}
  body{
    margin:0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
    background: radial-gradient(1200px 600px at 20% 10%, rgba(79,140,255,.25), transparent 50%),
                radial-gradient(1000px 500px at 80% 0%, rgba(24,214,165,.18), transparent 55%),
                var(--bg);
    color:var(--text);
  }
  a{color:inherit; text-decoration:none}
  .container{max-width:1120px; margin:0 auto; padding:0 18px}
  .header{
    position:sticky; top:0; z-index:50;
    background: rgba(11,18,32,.75);
    backdrop-filter: blur(10px);
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .header-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 0;
  }
  .brand{display:flex; gap:12px; align-items:center}
  .logo{
    width:42px; height:42px; border-radius:14px;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display:grid; place-items:center;
    font-weight:800;
    box-shadow: var(--shadow);
  }
  .brand-name{font-weight:800; letter-spacing:.2px}
  .brand-tag{font-size:12px; color:var(--muted)}
  .hero{padding:48px 0 10px}
  .grid-2{display:grid; gap:22px; grid-template-columns: 1.25fr .95fr}
  @media (max-width: 980px){ .grid-2{grid-template-columns:1fr} }
  h1{font-size:44px; line-height:1.05; margin:10px 0 12px}
  @media (max-width: 560px){ h1{font-size:34px} }
  .sub{font-size:16px; color:var(--muted); line-height:1.6; max-width:56ch}
  .pill-row{display:flex; flex-wrap:wrap; gap:10px; margin:18px 0}
  .pill{
    font-size:12px; padding:8px 10px; border-radius:999px;
    background: rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.08);
  }
  .cta-row{display:flex; gap:12px; margin:16px 0 8px; flex-wrap:wrap}
  .btn{
    display:inline-flex; align-items:center; justify-content:center;
    padding:12px 14px;
    border-radius:14px;
    font-weight:700;
    border:1px solid rgba(255,255,255,.10);
    transition: transform .08s ease, background .15s ease, border .15s ease;
    cursor:pointer;
  }
  .btn:hover{transform: translateY(-1px)}
  .btn-primary{background: linear-gradient(135deg, var(--accent), #3a78ff); border-color: rgba(255,255,255,.12)}
  .btn-secondary{background: rgba(255,255,255,.06)}
  .btn-ghost{background: transparent}
  .w-full{width:100%}
  .trust{
    margin-top:20px;
    display:flex; gap:16px; flex-wrap:wrap
  }
  .trust-item{
    padding:12px 14px; border-radius:14px;
    background: rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
  }
  .trust-num{font-weight:900}
  .trust-label{font-size:12px; color:var(--muted)}
  .card{
    background: rgba(15,26,47,.75);
    border:1px solid rgba(255,255,255,.10);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    padding:18px;
  }
  h2{margin:0 0 10px}
  .small{color:var(--muted); font-size:13px; line-height:1.5}
  .tiny{color:rgba(183,195,230,.9); font-size:11px; line-height:1.4}
  label{display:block; font-size:12px; color:var(--muted); margin:12px 0 6px; position:relative}
  input, select, textarea{
    width:100%;
    margin-top:6px;
    padding:12px 12px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,.12);
    background: rgba(11,18,32,.55);
    color:var(--text);
    outline:none;
    transition: border-color .15s ease;
  }
  input:focus, select:focus, textarea:focus{border-color: rgba(79,140,255,.65)}
  input:invalid:not(:focus):not(:placeholder-shown), 
  select:invalid:not(:focus) {
    border-color: rgba(255,204,102,.5);
  }
  /* Field error messages */
  .field-error{
    display:block;
    font-size:11px;
    color:var(--warn);
    margin-top:4px;
    min-height:14px;
  }
  .field-error:empty{display:none}
  /* Form success state */
  .form-success{
    background: rgba(24,214,165,.1);
    border-color: rgba(24,214,165,.3);
  }
  .form-msg{margin:10px 0 0; font-size:13px}
  .form-msg.ok{color: var(--accent2)}
  .form-msg.err{color: var(--warn)}
  /* Checklist styling */
  .checklist{
    list-style:none;
    padding-left:0;
    margin:12px 0;
  }
  .checklist li{
    padding:8px 0 8px 24px;
    position:relative;
    color:var(--text);
    line-height:1.5;
  }
  .checklist li:before{
    content:"✓";
    position:absolute;
    left:0;
    color:var(--accent2);
    font-weight:900;
  }
  .checklist.muted li{
    color:var(--muted);
  }
  .checklist.muted li:before{
    color:var(--muted);
    opacity:.6;
  }
  .section{padding:42px 0}
  .grid-3{display:grid; grid-template-columns:repeat(3, 1fr); gap:14px}
  @media (max-width: 980px){ .grid-3{grid-template-columns:1fr} }
  .feature, .pricing{
    padding:16px;
    border-radius: var(--radius);
    background: rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
  }
  .pricing.highlight{
    border-color: rgba(79,140,255,.45);
    background: linear-gradient(180deg, rgba(79,140,255,.18), rgba(255,255,255,.05));
  }
  .price{font-size:22px; font-weight:900; margin:8px 0 10px}
  ul{margin:0; padding-left:18px; color:var(--muted)}
  ul:not(.checklist) li{margin:8px 0}
  .divider{height:1px; background: rgba(255,255,255,.10); margin:26px 0}
  .faq details{
    background: rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
    border-radius: var(--radius);
    padding:14px;
    margin:10px 0;
  }
  .faq summary{cursor:pointer; font-weight:800}
  .faq p{color:var(--muted); line-height:1.6}
  .footer{
    padding:22px 0;
    border-top:1px solid rgba(255,255,255,.08);
    background: rgba(11,18,32,.55);
  }
  .footer-inner{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap}
  .muted{color:var(--muted)}
  .footnote{margin-top:12px}
  /* Smooth scroll */
  html{scroll-behavior:smooth}
  
  /* WhatsApp Floating Button */
  .whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 2s infinite;
  }
  .whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
    background: #20BA5A;
  }
  .whatsapp-float:active {
    transform: scale(0.95);
  }
  @keyframes whatsapp-pulse {
    0% {
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
  }
  /* RTL support for WhatsApp button */
  [dir="rtl"] .whatsapp-float {
    right: auto;
    left: 20px;
  }
  /* WhatsApp Footer Link */
  .whatsapp-link-footer {
    display: inline-flex;
    align-items: center;
    color: var(--muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.15s ease;
    margin-top: 8px;
  }
  .whatsapp-link-footer:hover {
    color: #25D366;
  }
  .whatsapp-link-footer svg {
    fill: currentColor;
  }
  @media (max-width: 560px) {
    .whatsapp-float {
      width: 56px;
      height: 56px;
      bottom: 16px;
      right: 16px;
    }
    .whatsapp-float svg {
      width: 24px;
      height: 24px;
    }
    [dir="rtl"] .whatsapp-float {
      left: 16px;
    }
  }
  
  /* RTL Support */
  [dir="rtl"] {
    direction: rtl;
  }
  [dir="rtl"] .container {
    text-align: right;
  }
  [dir="rtl"] .header-inner {
    flex-direction: row-reverse;
  }
  [dir="rtl"] .brand {
    flex-direction: row-reverse;
  }
  [dir="rtl"] .cta-row {
    flex-direction: row-reverse;
  }
  [dir="rtl"] .trust {
    flex-direction: row-reverse;
  }
  [dir="rtl"] .checklist li {
    padding: 8px 24px 8px 0;
  }
  [dir="rtl"] .checklist li:before {
    left: auto;
    right: 0;
  }
  [dir="rtl"] .footer-inner {
    flex-direction: row-reverse;
  }
  
  /* Language Switcher */
  .language-switcher {
    position: relative;
    margin-right: 12px;
  }
  .lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: all .15s ease;
  }
  .lang-toggle:hover {
    background: rgba(255,255,255,.10);
    transform: translateY(-1px);
  }
  .lang-arrow {
    font-size: 10px;
    transition: transform .2s ease;
  }
  .language-switcher.open .lang-arrow {
    transform: rotate(180deg);
  }
  .lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: rgba(15,26,47,.95);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 12px;
    padding: 8px;
    min-width: 140px;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all .2s ease;
    z-index: 100;
    backdrop-filter: blur(10px);
  }
  .language-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    text-align: left;
    transition: background .15s ease;
  }
  .lang-option:hover {
    background: rgba(255,255,255,.08);
  }
  .lang-option.active {
    background: rgba(79,140,255,.15);
    color: var(--accent);
  }
  [dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
  }
  [dir="rtl"] .lang-option {
    text-align: right;
  }