/* 
 * CORE.CSS - Sibonginkosi Technologies
 * Essential layout, variables, and typography
 */

:root {
    /* Brand palette */
    --primary: #0B1F3A;
    --secondary: #1E4D8C;
    --accent: #D4AF37;
    --highlight: #00D4FF;

    /* Surfaces */
    --bg: #FFFFFF;
    --bg-soft: #F4F7FA;
    --card: #FFFFFF;
    --border: rgba(11, 31, 58, 0.1);

    /* Text */
    --text: #1F2937;
    --text-muted: #4B5563;
    --text-inverse: #FFFFFF;
    --text-primary: #0B1F3A;

    /* Spacing scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    --space-10: 4rem;

    /* Breakpoints (for reference in media queries) */
    --bp-sm: 576px;
    --bp-md: 768px;
    --bp-lg: 992px;
    --bp-xl: 1200px;

    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;

    /* Typography */
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Poppins', 'Inter', system-ui, sans-serif;
}

/* Global */
*, *::before, *::after { box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
html, body { min-height: 100%; }
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    letter-spacing: -0.01em;
    overflow-x: hidden;
    line-height: 1.6;
}

img, video, svg {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.2;
}

a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }

.section-padding { padding: var(--space-10) 0; }
.bg-soft { background: var(--bg-soft) !important; }

.ls-wide { letter-spacing: 2px; }
.text-primary { color: var(--primary) !important; }

/* Top ticker */
.top-ticker {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--text-inverse);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    white-space: nowrap;
    overflow: hidden;
    letter-spacing: 2px;
}

.ticker-content {
    display: inline-block;
    animation: ticker 24s linear infinite;
}

@keyframes ticker {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Navbar */
.navbar-lux {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.navbar-lux .navbar-brand {
    font-family: var(--font-heading);
    letter-spacing: 2px;
    color: var(--primary) !important;
}

.navbar-lux .nav-link {
    color: rgba(11, 31, 58, 0.85) !important;
    font-weight: 600;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.navbar-lux .nav-link:hover {
    color: var(--primary) !important;
}

.navbar-lux .nav-link.active {
    color: var(--primary) !important;
    position: relative;
}

.navbar-lux .nav-link.active::after {
    content: "";
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.4rem;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.navbar-lux.scrolled {
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.98);
}

.navbar-lux .navbar-toggler {
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
}

.navbar-lux .navbar-toggler:focus {
    box-shadow: 0 0 0 0.2rem rgba(11, 31, 58, 0.15);
}

.navbar-lux .navbar-brand img {
    max-height: 50px;
    width: auto;
}

.navbar-lux .dropdown-menu {
    border-radius: 12px;
    padding: 0.5rem;
}

.navbar-lux .dropdown-item {
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-weight: 600;
}

/* Text helpers */
.text-muted { color: var(--text-muted) !important; }
.text-accent { color: var(--accent) !important; }

/* Back to Top */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-5px);
}

/* Animations */
[data-aos] {
    transition-property: transform, opacity;
}

/* Site footer */
.site-footer {
    background: var(--primary);
    color: var(--text-inverse);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.site-footer .footer-brand-title {
    letter-spacing: -0.5px;
}

.site-footer .footer-brand-sub {
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.site-footer .footer-heading {
    letter-spacing: 2px;
    text-transform: uppercase;
}

.site-footer .footer-staff-link {
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    transition: opacity 0.2s ease;
}

.social-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-inverse);
    border-radius: 50%;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon-link.large {
    width: 42px;
    height: 42px;
}

.social-icon-link.large i {
    font-size: 1.2rem;
}

.social-icon-link:hover {
    background: var(--accent);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: #FFF;
    background-color: #128c7e;
}

.whatsapp-tooltip {
    position: absolute;
    left: 75px;
    background: #0B1F3A;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

.social-icon-link i {
    font-size: 1rem;
}

.site-footer .footer-staff-link:hover {
    opacity: 0.6 !important;
}

.cms-card-img { width: 100%; height: 220px; object-fit: cover; }
.cms-card-placeholder { height: 220px; }
.cms-content img { max-width: 100%; height: auto; border-radius: 8px; }

.hover-opacity-100:hover {
    opacity: 1 !important;
    transition: var(--transition);
}

/* Panel / portal pages (public header + admin content) */
.panel-page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.panel-page-header .panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.table-responsive {
    -webkit-overflow-scrolling: touch;
}

.table th {
    white-space: nowrap;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

/* Forms */
.form-control, .form-select {
    min-height: 44px;
    border-radius: 10px;
}

.btn {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-sm {
    min-height: 36px;
}

/* Utility */
.min-vh-80 { min-height: 80vh; }
.overflow-hidden-x { overflow-x: hidden; }

/* Responsive */
@media (max-width: 991.98px) {
    .section-padding {
        padding: var(--space-8) 0;
    }

    .navbar-lux .nav-link.active::after {
        display: none;
    }

    .navbar-lux .navbar-collapse {
        padding: var(--space-4) 0 var(--space-2);
        border-top: 1px solid var(--border);
        margin-top: var(--space-3);
    }

    .navbar-lux .navbar-nav .nav-item.ms-lg-3 {
        margin-left: 0 !important;
        margin-top: var(--space-3);
    }

    .navbar-lux .navbar-nav .btn-accent {
        width: 100%;
        justify-content: center;
    }

    .navbar-lux .dropdown-menu {
        border: none;
        box-shadow: none;
        padding-left: var(--space-4);
        background: transparent;
    }
}

@media (max-width: 767.98px) {
    .section-padding {
        padding: var(--space-6) 0;
    }

    .top-ticker {
        font-size: 0.65rem;
        letter-spacing: 1px;
    }

    .display-1, .display-2, .display-3, .display-4 {
        font-size: calc(1.5rem + 2vw);
    }

    .container, .container-fluid {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

    #back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .panel-page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .panel-page-header .panel-actions {
        width: 100%;
    }

    .panel-page-header .panel-actions .btn {
        flex: 1 1 auto;
    }
}

@media (max-width: 575.98px) {
    .navbar-lux .navbar-brand .brand-logo-container span.fw-bold {
        font-size: 1.1rem !important;
    }
}