body {
    margin: 0;
    font-family: system-ui, Arial, sans-serif;
    background: linear-gradient(180deg, #f4f6f8, #ffffff);
    color: #2c3e50;
}

.container {
    max-width: 760px;
    margin: auto;
    padding: 40px 20px;
    text-align: center;
}

.hero {
    margin-bottom: 40px;
}

.logo {
    width: 96px;
    margin-bottom: 15px;
}

h1 {
    font-size: 44px;
    margin: 10px 0;
}

.subtitle {
    font-size: 18px;
    color: #7f8c8d;
}

.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 16px 34px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
}

.btn.primary {
    background: #2563eb;
    color: #fff;
}

.btn.primary:hover {
    background: #1e4ed8;
}

.note {
    margin-top: 12px;
    font-size: 13px;
    color: #95a5a6;
}

.preview img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    margin: 40px 0;
}

.info,
.security,
.videos {
    margin-top: 50px;
}

h2 {
    font-size: 26px;
    margin-bottom: 15px;
}

.video-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-grid a {
    background: #f1f5f9;
    padding: 14px;
    border-radius: 6px;
    text-decoration: none;
    color: #1e293b;
    font-weight: 600;
}

.video-grid a:hover {
    background: #e2e8f0;
}

.security ul {
    list-style: none;
    padding: 0;
}

.security li {
    margin: 8px 0;
}

footer {
    margin-top: 70px;
    font-size: 13px;
    color: #94a3b8;
}

/*css para la seccion trust-first */

.trust-first {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    text-align: left;
}

.trust-first h2 {
    margin-top: 0;
    color: #0f172a;
}

.trust-first ul {
    padding-left: 20px;
    margin: 15px 0;
}

.trust-first li {
    margin-bottom: 8px;
}

.dev-warning {
    margin-top: 20px;
    background: #fff7ed;
    border-left: 4px solid #f97316;
    padding: 12px;
    font-size: 14px;
}

.final-note {
    margin-top: 15px;
    font-weight: 600;
}


.price-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 25px;
    margin: 20px 0;
}

.price-card.pro {
    border: 2px solid #2563eb;
}

.price-card h3 {
    margin-top: 0;
}

.price-card ul {
    list-style: none;
    padding: 0;
}

.price-card li {
    margin: 8px 0;
}

.price {
    font-size: 26px;
    font-weight: 800;
    margin-top: 15px;
}

.qr {
    margin-top: 25px;
}