/* Solenex Technology | Master Stylesheet 
    Refined Enterprise Theme with Multi-level Navigation
*/

:root {
    --primary: #0f172a;      /* Deep Slate */
    --accent: #2563eb;       /* Enterprise Blue */
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
}

/* 1. Global Resets */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    font-family: 'Inter', sans-serif; 
    background-color: var(--white); 
    color: var(--text-main); 
    line-height: 1.6; 
}
.container { max-width: 1150px; margin: 0 auto; padding: 0 2rem; }

/* 2. Navigation & Brand Container */
nav { 
    background: var(--white); 
    border-bottom: 1px solid var(--border); 
    padding: 0.8rem 0; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
}
nav .container { display: flex; justify-content: space-between; align-items: center; }

.brand-container {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-icon { height: 35px; width: auto; } /* Small Logo Icon */
.nav-logo { height: 28px; width: auto; } /* Watermark Text */

.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { 
    color: var(--text-main); 
    font-weight: 500; 
    text-decoration: none; 
    font-size: 0.9rem; 
}

/* 3. Multi-Level Dropdown Logic */
.dropdown { position: relative; }

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    list-style: none;
    padding: 0.5rem 0;
}

.dropdown-content li { position: relative; }

.dropdown-content a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 1.2rem;
    color: var(--text-main);
    text-decoration: none;
    transition: 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--bg-light);
    color: var(--accent);
}

/* Fly-out Submenu (Business Systems) */
.submenu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--white);
    min-width: 180px;
    border: 1px solid var(--border);
    box-shadow: 4px 4px 12px rgba(0,0,0,0.1);
    list-style: none;
    padding: 0.5rem 0;
}

.has-submenu:hover > .submenu { display: block; }
.dropdown:hover > .dropdown-content { display: block; }

.arrow { font-size: 0.6rem; opacity: 0.5; }
.dropdown-divider { height: 1px; background: var(--border); margin: 0.4rem 0; }

/* 4. Hero & Typography */
.mini-hero { background: var(--primary); color: white; padding: 4rem 0; text-align: center; }
.mini-hero h1 { font-size: 2.4rem; margin-bottom: 0.5rem; color: white; }
.mini-hero p { max-width: 700px; margin: 0 auto; opacity: 0.9; font-size: 1.1rem; }

/* 5. Expertise Grid */
.section-padding { padding: 4rem 0; }
.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
    gap: 1.5rem; 
}
.card { padding: 2rem; border: 1px solid var(--border); border-radius: 8px; transition: 0.3s; }
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card i { color: var(--accent); margin-bottom: 1rem; width: 28px; height: 28px; }
.text-link { color: var(--accent); font-weight: 600; text-decoration: none; font-size: 0.85rem; display: block; margin-top: 1rem; }

/* 6. Why Solenex Section */
.gray-bg { background: var(--bg-light); }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.benefit-list { list-style: none; margin-top: 1rem; }
.benefit-list li { margin-bottom: 0.8rem; padding-left: 1rem; border-left: 2px solid var(--accent); }
.accent-box { background: var(--primary); color: white; padding: 2.5rem; border-radius: 8px; text-align: center; }
.accent-box h3 { color: var(--accent); font-size: 2.5rem; }

/* 7. Call to Action Bar */
.resources-compact { padding: 2rem 0; }
.promo-bar { 
    background: var(--primary); color: white; padding: 1.5rem 2.5rem; 
    border-radius: 8px; display: flex; justify-content: space-between; align-items: center; 
}
.promo-text h3 { color: white; margin: 0; font-size: 1.2rem; }
.promo-text p { font-size: 0.9rem; opacity: 0.8; }

/* 8. Buttons */
.btn-cta { background: var(--accent); color: white !important; padding: 0.6rem 1.2rem; border-radius: 4px; font-weight: 600; border: none; font-size: 0.9rem; cursor: pointer; transition: 0.3s; }
.btn-cta:hover { background: #1d4ed8; }
.btn-outline { border: 1px solid rgba(255,255,255,0.3); color: white; padding: 0.6rem 1.2rem; border-radius: 4px; text-decoration: none; font-size: 0.9rem; transition: 0.3s; }
.btn-outline:hover { background: white; color: var(--primary); }

/* 9. Footer with Legal Disclaimer */
.site-footer { background: var(--primary); color: white; padding: 2.5rem 0; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-content { display: flex; justify-content: space-between; align-items: flex-start; gap: 3rem; }
.footer-left p { font-size: 0.85rem; opacity: 0.9; }
.footer-right { max-width: 500px; text-align: right; }
.disclaimer { font-size: 0.7rem; line-height: 1.4; opacity: 0.5; color: var(--bg-light); }

/* 10. Responsive Design */
@media (max-width: 768px) {
    .split-layout, .promo-bar, .footer-content { flex-direction: column; text-align: center; gap: 1.5rem; }
    .footer-right { text-align: center; margin: 0 auto; }
    .submenu { position: static; box-shadow: none; border: none; padding-left: 1rem; }
}