/**
 * Meralus Systems Group - Production Stylesheet
 */

:root {
    --tactical-green: #2A5A3D; 
    --neon-accent: #4ade80;
    --deep-charcoal: #121212;
    --off-black: #0a0a0a;
    --paper-white: #FFFFFF;
    --text-gray: #a0a0a0;
    --border-color: #222;
    --code-bg: #0d0d0d;
}

/* --- Base --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--deep-charcoal);
    color: var(--paper-white);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* --- Navigation --- */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 5%; position: fixed; width: 100%;
    background: rgba(10, 10, 10, 0.9); backdrop-filter: blur(10px);
    z-index: 1000; border-bottom: 1px solid var(--border-color);
}
.logo { font-family: 'JetBrains Mono'; font-size: 1.4rem; font-weight: 700; }
.logo span { color: var(--tactical-green); animation: blink 1s infinite; }
.nav-links { display: flex; list-style: none; align-items: center; }
.nav-links li a { color: var(--paper-white); text-decoration: none; margin-left: 2rem; font-size: 0.8rem; text-transform: uppercase; }
.btn-sm-nav { border: 1px solid var(--tactical-green); padding: 0.5rem 1rem; border-radius: 4px; color: var(--paper-white) !important; }

/* --- Hero --- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 100px; text-align: center; }
.hero-content { width: 100%; }
.terminal-text { font-family: 'JetBrains Mono'; font-size: clamp(1.6rem, 7vw, 3.5rem); margin-bottom: 1.5rem; }
.prompt { color: var(--tactical-green); }
.cursor { display: inline-block; width: 10px; height: 1.2em; background: var(--tactical-green); vertical-align: middle; animation: blink 1s infinite; }
.sub-headline { color: var(--text-gray); font-size: 1.1rem; margin-bottom: 2.5rem; }

/* --- Buttons --- */
.btn-primary { 
    display: inline-block; 
    padding: 1rem 2.5rem; 
    border: 1px solid var(--tactical-green); 
    background: transparent;
    color: var(--paper-white); 
    font-family: 'JetBrains Mono'; 
    font-weight: 700;
    text-transform: uppercase; 
    transition: 0.3s;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary:hover { 
    background: var(--tactical-green); 
    color: white;
    transform: translateY(-3px); 
}

/* --- Metrics Bar --- */
.sys-metrics { background: var(--off-black); padding: 60px 0; border-bottom: 1px solid var(--border-color); }
.metrics-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.metric-item { flex: 1; min-width: 200px; text-align: left; border-left: 1px solid #222; padding-left: 20px; }
.metric-item:first-child { border-left: none; padding-left: 0; }
.metric-value { display: block; font-size: 2.2rem; font-weight: 700; font-family: 'JetBrains Mono'; }
.metric-label { font-size: 0.75rem; color: var(--tactical-green); text-transform: uppercase; letter-spacing: 1px; }

/* --- Engineering Grid --- */
.services { padding: 100px 0; background: var(--off-black); }
.section-title { text-align: center; margin-bottom: 5rem; font-size: 2rem; text-transform: uppercase; letter-spacing: 2px; }
.grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); 
    gap: 30px; 
}
.card { background: var(--deep-charcoal); border: 1px solid var(--border-color); transition: 0.3s; height: 100%; }
.card-inner { padding: 2.5rem; }
.card:hover { border-color: var(--tactical-green); transform: translateY(-10px); }
.card .icon { color: var(--tactical-green); font-size: 2rem; margin-bottom: 1.5rem; }

/* --- About & Terminal --- */
.about { padding: 120px 0; background: var(--deep-charcoal); }
.about-flex { display: flex; align-items: flex-start; gap: 60px; flex-wrap: wrap; }
.about-content { flex: 1; min-width: 300px; }
.tagline { 
    display: inline-block; color: var(--text-gray); font-family: 'JetBrains Mono'; 
    font-size: 0.7rem; border: 1px solid #333; padding: 5px 15px; margin-bottom: 2rem;
}
.about-title { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.1; margin-bottom: 2rem; }
.about-description { color: var(--text-gray); margin-bottom: 3rem; font-size: 1.05rem; }

.tech-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tech-tags span {
    font-family: 'JetBrains Mono'; font-size: 0.7rem; color: var(--tactical-green);
    border: 1px solid #1a3a2a; padding: 8px 16px; background: rgba(42, 90, 61, 0.05);
}

.spec-wrapper { 
    flex: 1; min-width: 320px; max-width: 100%;
    background: var(--code-bg); border: 1px solid #222; border-radius: 8px; 
    overflow: hidden; box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}
.spec-header { background: #1a1a1a; padding: 15px 25px; display: flex; justify-content: space-between; align-items: center; }
.terminal-controls { display: flex; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #ff5f56; } .yellow { background: #ffbd2e; } .green { background: #27c93f; }
.spec-body { 
    padding: 30px; font-family: 'JetBrains Mono', monospace; 
    font-size: 0.85rem; color: #ccc; line-height: 1.8;
    white-space: pre; overflow-x: auto; display: block;
}
.key { color: #569cd6; font-weight: bold; }
.status-ok { color: var(--tactical-green); font-weight: bold; }

/* --- Contact Section --- */
.contact-section { padding: 100px 0; background: var(--off-black); text-align: center; }
.msg-form { max-width: 650px; margin: 0 auto; text-align: left; }
.msg-form input, .msg-form textarea {
    width: 100%; padding: 1.2rem; background: #111; border: 1px solid #333; color: white; margin-bottom: 1.5rem; outline: none;
}
.msg-form input:focus, .msg-form textarea:focus { border-color: var(--tactical-green); }

/* --- Footer (Fixed Link Colors) --- */
.tactical-footer { padding: 80px 0 40px; background: var(--off-black); border-top: 1px solid var(--border-color); }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #1a1a1a; }
.footer-brand { flex: 1; min-width: 250px; }
.footer-brand p { font-size: 0.85rem; color: var(--text-gray); margin-top: 10px; }

.footer-nav { flex: 1; display: flex; flex-direction: column; gap: 15px; }

/* Target all states of footer links to stay green/gray */
.footer-nav a, 
.footer-nav a:visited { 
    color: var(--text-gray); 
    text-decoration: none; 
    font-size: 0.85rem; 
    transition: 0.3s;
    text-transform: uppercase;
    font-family: 'JetBrains Mono';
}
.footer-nav a:hover { color: var(--tactical-green); }

.footer-social { flex: 1; display: flex; justify-content: flex-end; }
.footer-social a, 
.footer-social a:visited { color: var(--tactical-green); font-size: 1.8rem; transition: 0.3s; }
.footer-social a:hover { color: var(--neon-accent); transform: translateY(-3px); }

.footer-bottom { display: flex; justify-content: space-between; padding-top: 40px; font-size: 0.7rem; color: #444; font-family: 'JetBrains Mono'; }
.footer-bottom span.status-ok { color: var(--tactical-green); }

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .metrics-grid { flex-direction: column; text-align: center; }
    .metric-item { border-left: none; border-bottom: 1px solid #222; padding: 20px 0; text-align: center; }
    .metric-item:last-child { border-bottom: none; }
    .footer-top { flex-direction: column; text-align: center; align-items: center; }
    .footer-social { justify-content: center; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 20px; }
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }