:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --bg-body: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --nav-bg: rgba(255, 255, 255, 0.8);
    --input-bg: #ffffff;
    --border-color: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.7);
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-body);
    font-family: var(--font-main);
    color: var(--text-main);
    line-height: 1.5;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1440px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

@media (min-width: 1600px) {
    .container {
        max-width: 1560px;
    }
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -0.75rem;
    margin-left: -0.75rem;
}

.col-lg-7, .col-lg-5, .col-md-6, .col-lg-3, .col-lg-9, .col-sm-6 {
    position: relative;
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
}

@media (min-width: 576px) {
    .col-sm-6 { flex: 0 0 auto; width: 50%; }
}

@media (min-width: 768px) {
    .col-md-6 { flex: 0 0 auto; width: 50%; }
}

@media (min-width: 992px) {
    .col-lg-3 { flex: 0 0 auto; width: 25%; }
    .col-lg-5 { flex: 0 0 auto; width: 41.66666667%; }
    .col-lg-7 { flex: 0 0 auto; width: 58.33333333%; }
    .col-lg-9 { flex: 0 0 auto; width: 75%; }
    .d-lg-block { display: block !important; }
}

.d-none { display: none !important; }
.d-flex { display: flex !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-column { flex-direction: column !important; }
.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-md-end { justify-content: flex-end !important; }
@media (max-width: 767px) {
    .justify-content-md-end { justify-content: flex-start !important; }
}
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-auto { margin-left: auto !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }

.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
.p-0 { padding: 0 !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }

.fw-bold { font-weight: 700 !important; }
.fw-800 { font-weight: 800 !important; }
.text-primary { color: var(--primary-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-white { color: #fff !important; }
.text-success { color: #10b981 !important; }
.text-warning { color: #f59e0b !important; }
.text-center { text-align: center !important; }
.text-uppercase { text-transform: uppercase !important; }
.small { font-size: 0.875em !important; }
.display-3 { font-size: 3rem; font-weight: 800; }
.display-5 { font-size: 2rem; font-weight: 800; }
.lead { font-size: 1.25rem; font-weight: 300; }
.fs-3 { font-size: 1.75rem !important; }
.fs-5 { font-size: 1.25rem !important; }

.rounded-3 { border-radius: 0.5rem !important; }
.rounded-circle { border-radius: 50% !important; }
.rounded-pill { border-radius: 50rem !important; }
.border { border: 1px solid var(--border-color) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.sticky-top { position: sticky; top: 0; z-index: 1020; }
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important; }
.fade { opacity: 0; transition: opacity 0.15s linear; }
.fade.show { opacity: 1; }

@keyframes highlight {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.bg-light { background-color: #f8fafc !important; }
.bg-dark { background-color: #0f172a !important; }
.text-start { text-align: left !important; }
.rounded-4 { border-radius: 1.5rem !important; }
.btn-outline-light { border-color: rgba(255,255,255,0.2); color: white; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: white; }
.opacity-75 { opacity: 0.75; }
.opacity-50 { opacity: 0.5; }
.overflow-hidden { overflow: hidden !important; }
.position-relative { position: relative !important; }

@keyframes spin {
    to { transform: rotate(360deg); }
}
.spinner-border {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 0.2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin .75s linear infinite;
}

.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.max-w-800 { max-width: 800px; }
.text-start { text-align: left !important; }
.justify-content-center { justify-content: center !important; }

.letter-spacing-1 { letter-spacing: 1px; }