:root {
    --sf-navy: #0f172a;
    --sf-slate: #1e293b;
    --sf-blue: #2563eb;
    --sf-green: #22c55e;
    --sf-muted: #64748b;
    --sf-border: #e2e8f0;
    --sf-card: #f8fafc;
}

body.sf-landing {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #1e293b;
    background: #fff;
    line-height: 1.6;
}

body.sf-landing .navbar {
    background: var(--sf-navy) !important;
    padding: 16px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: none;
}

body.sf-landing .navbar .container,
body.sf-landing .nav-container {
    max-width: 1280px;
}

body.sf-landing .navbar-brand,
body.sf-landing .nav-logo {
    color: #fff !important;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

body.sf-landing .landing-logo { max-width: 220px; }
body.sf-landing .landing-logo img { max-height: 40px; width: auto; }

body.sf-landing .navbar-nav .nav-link {
    color: #e2e8f0 !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 8px 14px !important;
    border-radius: 999px;
}

body.sf-landing .navbar-nav .nav-link:hover,
body.sf-landing .navbar-nav .nav-link.active {
    color: #fff !important;
    background: rgba(255,255,255,0.06);
}

body.sf-landing .navbar .btn,
body.sf-landing .navbar .btn-secondary {
    background: var(--sf-green) !important;
    border-color: var(--sf-green) !important;
    color: #fff !important;
    border-radius: 999px;
    padding: 8px 18px;
    font-weight: 600;
    white-space: nowrap;
}

body.sf-landing .navbar-toggler { border-color: #334155; }
body.sf-landing .navbar-toggler-icon { filter: invert(1); }

body.sf-landing header#home {
    background: var(--sf-navy);
    padding: 140px 0 90px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

body.sf-landing header#home::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 30%, rgba(37, 99, 235, 0.18) 0%, transparent 50%);
}

body.sf-landing header#home .container { position: relative; z-index: 1; }

body.sf-landing header#home h1 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -1px;
}

body.sf-landing header#home h4,
body.sf-landing header#home .text-muted {
    color: #94a3b8 !important;
}

body.sf-landing header#home .btn,
body.sf-landing header#home .btn-secondary {
    background: var(--sf-green);
    border-color: var(--sf-green);
    color: #fff;
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 600;
}

body.sf-landing header#home .avtar {
    background: rgba(37, 99, 235, 0.2) !important;
    color: #93c5fd !important;
}

body.sf-landing header#home h5 { color: #cbd5e1; }

body.sf-landing section {
    padding: 80px 0;
}

body.sf-landing .feature-card,
body.sf-landing .card {
    border: 1px solid var(--sf-border);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

body.sf-landing .feature-card.bg-secondary,
body.sf-landing .feature-card.bg-blue-200,
body.sf-landing .feature-card.bg-purple-200 {
    background: var(--sf-navy) !important;
    color: #fff;
}

body.sf-landing .h1, body.sf-landing h2.h1, body.sf-landing h2 {
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--sf-navy);
}

body.sf-landing .text-lg { color: var(--sf-muted); }

body.sf-landing .price-card {
    border-radius: 20px;
    overflow: hidden;
}

body.sf-landing .price-price {
    color: var(--sf-blue);
    font-size: 2rem;
    font-weight: 800;
}

body.sf-landing .price-card .btn,
body.sf-landing .price-card .btn-outline-primary {
    background: var(--sf-navy) !important;
    color: #fff !important;
    border: 0 !important;
    border-radius: 999px;
}

body.sf-landing .accordion-item {
    border: 1px solid var(--sf-border);
    border-radius: 12px !important;
    margin-bottom: 12px;
    overflow: hidden;
}

body.sf-landing .accordion-button { font-weight: 600; color: var(--sf-navy); }
body.sf-landing .accordion-button:not(.collapsed) { background: #eff6ff; color: var(--sf-blue); }

body.sf-landing .choose-section,
body.sf-landing .bg-dark.choose-section,
body.sf-landing footer.footer,
body.sf-landing footer.bg-dark {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
}

body.sf-landing .choose-section h2,
body.sf-landing footer h4,
body.sf-landing footer h5 { color: #fff; }

body.sf-landing footer .footer-link a,
body.sf-landing footer p { color: #94a3b8 !important; }
body.sf-landing footer .footer-link a:hover { color: #fff !important; }
body.sf-landing .sub-footer { border-top: 1px solid #334155; padding-top: 18px; margin-top: 28px; }

body.sf-landing .application-slider { background: #3b82f6; color: #fff; }
body.sf-landing .application-slider h2,
body.sf-landing .application-slider h3,
body.sf-landing .application-slider p { color: #fff; }

body.sf-landing .front-header-image {
    background: var(--sf-navy);
    padding: 140px 0 60px;
}
body.sf-landing .privacy-details h1 { color: #fff; }
body.sf-landing .privacy-details p { color: #94a3b8; }

body.sf-landing .hero-image img { border-radius: 16px; box-shadow: 0 20px 50px rgba(0,0,0,0.25); }
body.sf-landing .customize-list li { margin-bottom: 10px; color: #334155; }
body.sf-landing .testaments-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
body.sf-landing .product-list .list-group-item { border: 0; padding-left: 0; }

@media (max-width: 767px) {
    body.sf-landing header#home { padding: 120px 0 60px; }
    body.sf-landing section { padding: 56px 0; }
}