/* 
 * Aero-Global International Banking Hub - Core Design System
 * Brand Identity: Ultra-Minimalist Wall Street Modernism & Offshore Core-Network Fusion
 */

:root {
    --obsidian-black: #010306;
    --bis-silver: #E2E8F0;
    --fx-dynamic-blue: #00E5FF;
    --risk-purple: #D500F9;
    --grid-line: rgba(226, 232, 240, 0.1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-data: 'JetBrains Mono', 'Roboto Mono', monospace;
}

body {
    background-color: var(--obsidian-black);
    color: var(--bis-silver);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--bis-silver);
}

.data-font {
    font-family: var(--font-data);
}

.text-fx-blue { color: var(--fx-dynamic-blue); }
.text-risk-purple { color: var(--risk-purple); }

/* Navigation */
.navbar {
    background-color: rgba(1, 3, 6, 0.95);
    border-bottom: 1px solid var(--grid-line);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.navbar-brand {
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--bis-silver) !important;
}

.nav-link {
    color: var(--bis-silver) !important;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--fx-dynamic-blue) !important;
}

/* Layout Elements */
.section-padding {
    padding: 100px 0;
}

.grid-bg {
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 50px 50px;
}

.card-bank {
    background: rgba(226, 232, 240, 0.03);
    border: 1px solid var(--grid-line);
    border-radius: 0;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card-bank:hover {
    border-color: var(--fx-dynamic-blue);
    background: rgba(226, 232, 240, 0.05);
    transform: translateY(-5px);
}

/* Buttons */
.btn-bank {
    border-radius: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    padding: 12px 30px;
    transition: all 0.3s ease;
}

.btn-bank-primary {
    background-color: var(--fx-dynamic-blue);
    color: var(--obsidian-black);
    border: none;
}

.btn-bank-primary:hover {
    background-color: #00b8cc;
    color: var(--obsidian-black);
}

.btn-bank-outline {
    border: 1px solid var(--bis-silver);
    color: var(--bis-silver);
}

.btn-bank-outline:hover {
    border-color: var(--fx-dynamic-blue);
    color: var(--fx-dynamic-blue);
    background: transparent;
}

/* Footer */
footer {
    border-top: 1px solid var(--grid-line);
    padding: 60px 0;
    font-size: 0.8rem;
    color: rgba(226, 232, 240, 0.5);
}

.footer-brand {
    color: var(--bis-silver);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--obsidian-black);
}
::-webkit-scrollbar-thumb {
    background: var(--grid-line);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--fx-dynamic-blue);
}