:root {
    /* Professional Corporate Palette */
    --brand-primary: #0f2c59; /* Deep Navy - Trust & Stability */
    --brand-secondary: #16a08b; /* Teal - Modern & Clean */
    --brand-dark: #1a1a1a;
    --brand-light: #f8f9fa;
    --text-main: #323130;
    --text-muted: #605e5c;
    --border-color: #e1dfdd;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    color: var(--text-main);
    background-color: #ffffff;
    line-height: 1.6;
}

/* Utility Classes replacement for gradients */
.brand-bg {
    background-color: var(--brand-primary);
    color: white;
}

.brand-text {
    color: var(--brand-primary);
}

.accent-text {
    color: var(--brand-secondary);
}

/* Navigation */
nav {
    background-color: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-link {
    font-weight: 500;
    color: var(--text-main);
    padding-bottom: 0.25rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand-primary);
    border-bottom-color: var(--brand-secondary);
}

/* Hero Section */
.hero-pattern {
    background-color: var(--brand-primary);
    background-image: linear-gradient(160deg, #0f2c59 0%, #163b70 100%);
    position: relative;
    overflow: hidden;
}

/* Cards - Microsoft Fluent Design inspired */
.feature-card, .card-hover {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px; /* Slight radius, more corporate */
    padding: 2rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.feature-card:hover, .card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-color: var(--brand-secondary);
}

/* Buttons */
.btn-primary, button[type="submit"] {
    background-color: var(--brand-secondary);
    color: white;
    border-radius: 2px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
}

.btn-primary:hover, button[type="submit"]:hover {
    background-color: #138a78;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Section Headers */
.section-title {
    color: var(--brand-primary);
    position: relative;
    padding-bottom: 1rem;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--brand-secondary);
}

/* Inputs */
input, textarea {
    border: 1px solid var(--border-color) !important;
    border-radius: 2px !important;
    background-color: white !important;
}

input:focus, textarea:focus {
    border-color: var(--brand-secondary) !important;
    outline: 2px solid rgba(22, 160, 139, 0.2) !important;
    box-shadow: none !important;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c7c7c7;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-secondary);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Mobile menu */
#mobile-menu {
    border-top: 1px solid var(--border-color);
}