/* --- 1. Global Variables & Resets --- */
:root {
    /* Brand Palette */
    --primary: #0052cc;
    --primary-blue: #0052cc; /* Alias for backward compatibility */
    --primary-dark: #0747a6;
    --dark-charcoal: #172B4D;
    --text-color: #4A5568;
    --slate: #42526E;
    --white: #FFFFFF;
    --light-gray: #FAFBFC;
    --border-color: #EBECF0;

    /* Status Colors (Dashboard & UI) */
    --green-positive: #16A34A;
    --red-negative: #DE350B;
    --orange-warning: #FFAB00;
    --blue-highlight-bg: #E9F2FF;
    --green-highlight-bg: #E3FCEF;
    --red-highlight-bg: #FFEBE6;

    /* Gradients */
    --grad-finance: linear-gradient(135deg, #0052cc 0%, #2684FF 100%);
    --grad-tech: linear-gradient(135deg, #172B4D 0%, #42526E 100%);
    
    --container-width: 1100px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

/* Typography basics */
h1, h2, h3, h4 { color: var(--dark-charcoal); margin-top: 0; letter-spacing: -0.02em; font-weight: 800; }
p { margin-top: 0; }
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Utilities */
.section-block { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 12px; }
.section-subtitle { font-size: 1.1em; color: var(--slate); max-width: 600px; margin: 0 auto 40px; text-align: center; }

/* --- 2. Navigation Bar (Global) --- */
.navbar {
    position: sticky; top: 0; width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    height: 70px;
}
.nav-content { display: flex; justify-content: space-between; align-items: center; height: 100%; }
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: 0.95rem; font-weight: 600; color: var(--slate); border-bottom: 2px solid transparent; padding: 5px 0; }
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-contact-btn { background-color: var(--dark-charcoal); color: var(--white); padding: 10px 20px; border-radius: 6px; font-weight: 600; font-size: 0.9rem; }
.nav-contact-btn:hover { background-color: var(--primary); transform: translateY(-1px); }

/* --- 3. Footer (Global) --- */
.footer { background: var(--dark-charcoal); color: #8993A4; text-align: center; padding: 60px 20px; margin-top: auto; }
.footer a { color: #C1C7D0; }
.footer a:hover { color: white; text-decoration: underline; }

/* Responsive Nav Mobile */
@media (max-width: 768px) {
    .nav-links { display: none; } 
}