/* 
   QuakeShield Engineering - Global Styles
   Brand Identity: Structuralism Aesthetics
*/

:root {
    --color-bg-deep: #0A192F;
    --color-accent-orange: #FFBF00;
    --color-steel-gray: #708090;
    --color-wave-red: #E63946;
    --color-text-light: #E6F1FF;
    --color-text-muted: #8892B0;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-data: 'JetBrains Mono', 'Fira Code', monospace;
}

body {
    background-color: var(--color-bg-deep);
    color: var(--color-text-light);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
}

.text-accent { color: var(--color-accent-orange); }
.text-data { font-family: var(--font-data); }

/* Navbar */
.navbar {
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(112, 128, 144, 0.3);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    color: var(--color-accent-orange) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--color-text-light) !important;
    font-weight: 500;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent-orange) !important;
}

/* Buttons */
.btn-outline-accent {
    color: var(--color-accent-orange);
    border: 1px solid var(--color-accent-orange);
    background: transparent;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-accent:hover {
    background: rgba(255, 191, 0, 0.1);
    color: var(--color-accent-orange);
    box-shadow: 0 0 15px rgba(255, 191, 0, 0.3);
}

.btn-accent {
    background-color: var(--color-accent-orange);
    color: var(--color-bg-deep);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
}

.btn-accent:hover {
    background-color: #e6ac00;
    color: var(--color-bg-deep);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    position: relative;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent-orange);
}

/* Cards */
.card-custom {
    background: rgba(112, 128, 144, 0.1);
    border: 1px solid rgba(112, 128, 144, 0.2);
    border-radius: 4px;
    padding: 2rem;
    height: 100%;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card-custom:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-orange);
}

/* Footer */
footer {
    background-color: #020c1b;
    padding: 60px 0 30px;
    border-top: 1px solid rgba(112, 128, 144, 0.2);
}

.footer-brand {
    color: var(--color-accent-orange);
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-accent-orange);
}

/* Animations */
@keyframes pulse-orange {
    0% { box-shadow: 0 0 0 0 rgba(255, 191, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 191, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 191, 0, 0); }
}

.pulse {
    animation: pulse-orange 2s infinite;
}

/* Blueprint Grid Background */
.bg-blueprint {
    background-image: 
        linear-gradient(rgba(112, 128, 144, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(112, 128, 144, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}