/* --- Global Reset & Variables --- */
:root {
    --bg-dark: #0b0e14;
    --card-bg: #161b22;
    --accent-blue: #007bff;
    --accent-glow: rgba(0, 123, 255, 0.4);
    --text-main: #f0f6fc;
    --text-dim: #8b949e;
    --border-color: #30363d;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* --- HUD Decor Elements --- */
.hud-corner {
    position: fixed;
    width: 25px;
    height: 25px;
    border: 1px solid var(--accent-blue);
    z-index: 100;
    pointer-events: none;
    opacity: 0.6;
}

.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.top-right-text {
    position: absolute;
    top: 25px;
    right: 55px;
    font-family: 'Space Mono', monospace;
    font-size: 9px;
    color: var(--accent-blue);
    text-align: right;
    letter-spacing: 1px;
}

/* --- Navigation --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 6%;
}

.logo {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 2px;
    color: var(--text-main);
}

nav a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 25px;
    font-size: 0.9rem;
    transition: color 0.3s;
}

    nav a:hover {
        color: var(--accent-blue);
    }

.login-btn {
    border: 1px solid var(--border-color);
    padding: 5px 15px;
    border-radius: 4px;
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 100px 5% 60px;
}

    .hero h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .hero p {
        color: var(--text-dim);
        max-width: 700px;
        margin: 0 auto 30px;
        font-size: 1.1rem;
    }

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}

.btn-secondary {
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 4px;
}

/* --- Tech Ribbon --- */
.tech-ribbon {
    background: rgba(255, 255, 255, 0.03);
    border-y: 1px solid var(--border-color);
    padding: 15px 0;
    margin-bottom: 60px;
}

.ribbon-track {
    display: flex;
    justify-content: center;
    gap: 40px;
    font-family: 'Space Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* --- Featured Project Section --- */
.main-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

.section-header .subtitle {
    color: var(--accent-blue);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px;
    margin-top: 20px;
    align-items: center;
}

.project-visual {
    position: relative;
}

    .project-visual img {
        width: 100%;
        border-radius: 8px;
        display: block;
    }

/* --- Hotspots --- */
.hotspot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #00ff88;
    border-radius: 50%;
    box-shadow: 0 0 10px #00ff88;
}

    .hotspot span {
        position: absolute;
        left: 20px;
        top: -5px;
        background: rgba(0,0,0,0.8);
        padding: 4px 8px;
        border-radius: 4px;
        font-size: 0.7rem;
        white-space: nowrap;
        border: 1px solid #00ff88;
    }

.project-details h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.specs {
    list-style: none;
    margin-bottom: 20px;
}

    .specs li {
        font-size: 0.9rem;
        color: var(--text-dim);
        margin-bottom: 5px;
    }

.btn-detail {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: bold;
}

/* --- Pillars --- */
.pillars {
    display: flex;
    justify-content: space-between;
    margin: 60px 0;
    gap: 20px;
}

.pillar {
    flex: 1;
    background: var(--card-bg);
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

    .pillar .icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }

footer {
    text-align: center;
    padding: 40px;
    color: var(--text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
}