:root{--bg:#0b0c10;--card:#11131a;--text:#e9eef2;--muted:#9fb0bf;--accent:#00c853;--accent-2:#00b248;--danger:#ff1744}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,"Helvetica Neue",Arial,sans-serif;background:linear-gradient(180deg,#090a0e, #0e1117 30%, #0e1117);color:var(--text);line-height:1.5}
.container{max-width:980px;margin:0 auto;padding:0 16px}
.site-header{position:sticky;top:0;background:rgba(14,17,23,.8);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid #1f2430;z-index:10}
.brand{font-weight:800;letter-spacing:.5px;padding:14px 0;font-size:20px}
.site-header .container{display:flex;justify-content:space-between;align-items:center}
.site-main{padding:28px 0 40px}
.hero{padding:12px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero-media{background:var(--card);border:1px solid #1f2430;border-radius:12px;padding:16px}
.hero-media img{display:block;width:100%;height:auto;border-radius:8px;background:#0a0c12}
.carousel{position:relative}
.carousel-track{position:relative;overflow:hidden}
.carousel-track img{position:absolute;inset:0;opacity:0;transition:opacity .35s ease;border-radius:8px}
.carousel-track img.active{position:relative;opacity:1}
.carousel-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.42);border:1px solid #2a3441;color:#e9eef2;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;cursor:pointer;z-index:2}
.carousel-nav:hover{background:rgba(0,0,0,.5)}
.carousel-nav.prev{left:8px}
.carousel-nav.next{right:8px}
.thumbs{display:flex;gap:10px;margin-top:10px}
.thumb{width:96px;height:96px;object-fit:cover;border:1px solid #1f2430;border-radius:8px;opacity:.9}
.thumb:hover{opacity:1}
.hero-content h1{margin:0 0 10px;font-size:28px}
.features{margin:0 0 16px;padding-left:18px;color:var(--muted)}
.features li{margin:4px 0}
.price-cta{display:flex;gap:16px;align-items:center}
.price{display:flex;flex-direction:column;background:linear-gradient(180deg,#102117,#0f1a13);border:1px solid #173923;border-radius:12px;padding:10px 14px}
.price-label{font-size:12px;color:#7fd6a1}
.old-price{color:#7a8a99;font-size:13px;margin-top:2px}
.price-value{font-weight:800;font-size:28px;color:#9affc0}
.btn-primary{display:inline-block;background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#04130a;text-decoration:none;font-weight:700;padding:12px 18px;border-radius:10px;border:0;box-shadow:0 6px 18px rgba(0,200,83,.25)}
.btn-primary:hover{filter:brightness(1.05)}
.note{color:var(--muted);margin-top:10px;font-size:14px}
.site-footer{border-top:1px solid #1f2430;background:#0d1016;padding:20px 0 32px}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start}
.company-name{font-weight:700;margin-bottom:6px}
.legal{display:flex;flex-direction:column;gap:6px}
.legal a{color:#a5b4fc;text-decoration:none}
.legal a:hover{text-decoration:underline}
@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:16px}
  .price-cta{flex-direction:column;align-items:stretch}
  .price-cta .price{width:100%}
  .price-cta .btn-primary{width:100%;text-align:center}
  .footer-grid{grid-template-columns:1fr}
}

/* Theme toggle */
.theme-toggle{background:transparent;border:1px solid #2a3441;color:var(--text);border-radius:22px;padding:8px 10px;cursor:pointer;font-weight:600}
.theme-toggle:hover{background:rgba(255,255,255,.06)}

/* Light theme overrides */
[data-theme="light"]{--bg:#f6f7fb;--card:#ffffff;--text:#0c1014;--muted:#5b6b7a}
[data-theme="light"] body{background:linear-gradient(180deg,#f5f7fb,#eef2f7 30%, #eef2f7);color:var(--text)}
[data-theme="light"] .site-header{background:rgba(255,255,255,.88);border-bottom:1px solid #e5e9f0}
[data-theme="light"] .site-footer{background:#f1f3f8;border-top:1px solid #e5e9f0}
[data-theme="light"] .hero-media{background:var(--card);border:1px solid #e5e9f0}
[data-theme="light"] .price{background:linear-gradient(180deg,#ffe8e8,#ffdede);border:1px solid #ff8a8a;box-shadow:0 6px 16px rgba(255,23,68,.12)}
[data-theme="light"] .price-label{color:#b71c1c}
[data-theme="light"] .old-price{color:#6b7c8a}
[data-theme="light"] .price-value{color:#d32f2f}
[data-theme="light"] .legal a{color:#3446a3}

/* Modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:100}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(2px)}
.modal-dialog{position:relative;background:var(--card);border:1px solid #2a3441;border-radius:12px;padding:18px;max-width:420px;width:92%;box-shadow:0 20px 60px rgba(0,0,0,.45);transform:translateY(12px);opacity:.98;transition:transform .18s ease, opacity .18s ease}
.modal.open .modal-dialog{transform:translateY(0);opacity:1}
.modal-close{position:absolute;top:8px;right:10px;background:transparent;border:0;color:var(--text);font-size:22px;cursor:pointer}
.form-label{display:block;margin:10px 0 6px;font-weight:600}
.form-input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #2a3441;background:#0b0f16;color:var(--text)}
.form-input:focus{outline:none;border-color:#3a8b5a;box-shadow:0 0 0 3px rgba(0,200,83,.15)}
.form-submit{margin-top:14px;width:100%;text-align:center}
.form-hint{margin:6px 0 0;color:var(--muted);font-size:12px}
.form-message{margin-top:12px;font-size:14px}

[data-theme="light"] .modal-dialog{border:1px solid #e5e9f0}
[data-theme="light"] .form-input{background:#fff;border:1px solid #d8dee9;color:#0c1014}