:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --dark-bg: #1a1d21;
    --hero-overlay: rgba(12, 18, 30, 0.85);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    background-color: #f8f9fa;
    color: #212529;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
}

.table-responsive {
    border-radius: 0.5rem;
}

/* Navbar */
.bg-dark-glass {
    background: rgba(26, 29, 33, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(var(--hero-overlay), var(--hero-overlay)), url('https://images.unsplash.com/photo-1587930856008-012019c0b19d?q=80&w=1920&auto=format&fit=crop');
    /* Placeholder Tech Image */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 80vh;
    padding-top: 80px;
    /* Navbar offset */
}

/* Animations */
.animate-fade-up {
    animation: fadeUp 0.8s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Cards & Sections */
.bg-light-subtle {
    background-color: #f3f6f9 !important;
}

section {
    scroll-margin-top: 70px;
    /* Navbar height offset for anchor links */
}

.card {
    transition: transform 0.2s;
}

/* Table Styling */
#tgTable {
    margin-bottom: 0;
}

#tgTable th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

#tgTable td {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.6rem 1.5rem;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Ad Placeholder */
.ad-placeholder {
    background-color: #eaeff5;
    border: 2px dashed #cbd5e1;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

/* Back to Top Button */
#btn-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    z-index: 999;
    width: 50px;
    height: 50px;
    padding: 0;
    transition: all 0.3s ease-in-out;
}

#btn-back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(13, 110, 253, 0.4);
}