/* Core Variables */
:root {
    --primary-blue: #0A4275; /* Industrial strong blue */
    --accent-blue: #007BFF;
    --dark-blue: #041E3A;
    --dark-grey: #1E2226;
    --mid-grey: #495057;
    --light-grey: #F4F6F9;
    --white: #FFFFFF;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--mid-grey);
    background-color: var(--light-grey);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto Mono', monospace;
    color: var(--dark-blue);
}

/* Utilities */
.bg-dark-blue { background-color: var(--dark-blue) !important; }
.bg-primary-blue { background-color: var(--primary-blue) !important; }
.bg-dark-grey { background-color: var(--dark-grey) !important; }
.text-primary-blue { color: var(--accent-blue) !important; }
.text-dark-blue { color: var(--dark-blue) !important; }
.fs-7 { font-size: 0.875rem; }
.fs-8 { font-size: 0.75rem; }
.tracking-wide { letter-spacing: 0.1em; }
.ls-1 { letter-spacing: 1px; }

/* Buttons */
.btn-primary-blue {
    background-color: var(--primary-blue);
    color: var(--white);
    border: 1px solid var(--primary-blue);
    transition: all 0.3s ease;
}
.btn-primary-blue:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--white);
}
.btn-outline-primary-blue {
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    background: transparent;
    transition: all 0.3s ease;
}
.btn-outline-primary-blue:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* Nav */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.3s ease;
}
.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--accent-blue);
}

/* Hero Section */
.hero-section {
    position: relative;
    background-color: var(--dark-blue);
    background-size: cover;
    background-position: center;
    padding: 120px 0;
    color: var(--white);
    overflow: hidden;
}
.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, rgba(4,30,58,0.9) 0%, rgba(4,30,58,0.5) 100%);
    z-index: 1;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.page-hero-parallax {
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    overflow: hidden;
}
.page-hero-parallax > .container {
    position: relative;
    z-index: 2;
}

/* Features */
.feature-card {
    background: var(--white);
    border-top: 4px solid var(--primary-blue);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--light-grey);
    color: var(--primary-blue);
    border-radius: 50%;
    margin-bottom: 20px;
}

/* Process Section */
.process-step {
    position: relative;
    padding-left: 50px;
    margin-bottom: 30px;
}
.process-step::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 40px;
    bottom: -30px;
    width: 2px;
    background-color: var(--accent-blue);
    opacity: 0.3;
}
.process-step:last-child::before {
    display: none;
}
.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-family: 'Roboto Mono', monospace;
}

/* Footer */
.footer-link { transition: color 0.3s ease; }
.footer-link:hover { color: var(--accent-blue) !important; }
.footer-social { transition: color 0.3s ease; }
.footer-social:hover { color: var(--accent-blue) !important; }