:root {
    /* Colors - Technical/Drafting Theme */
    --bg-color: #0f172a;
    /* Slate 900 - Deep Blueprint Blue */
    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #94a3b8;
    /* Slate 400 */
    --accent-color: #38bdf8;
    /* Sky 400 - Electric Blue */
    --grid-line: rgba(56, 189, 248, 0.1);
    /* Subtle grid lines */
    --paper-white: #f1f5f9;
    /* Slate 100 for contrast cards */

    /* Typography */
    --font-mono: 'Source Code Pro', 'Courier New', monospace;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 6rem 2rem;
}

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

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

/* Background Grid Effect */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography Utilities */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
}

/* ... Previous styles ... */
/* ABOUT SECTION */
.about-sidebar {
    border-right: 1px solid var(--grid-line);
    padding-right: 2rem;
}

@media (max-width: 768px) {
    .about-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--grid-line);
        padding-bottom: 2rem;
        padding-right: 0;
    }

    div[style*="grid-template-columns: 1fr 2fr"] {
        grid-template-columns: 1fr !important;
    }
}


/* HERO SECTION */
.hero-section {
    height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    border-bottom: 1px solid var(--grid-line);
}

.hero-title {
    font-size: 4rem;
    max-width: 900px;
    margin-bottom: 1.5rem;
    position: relative;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero-subtitle strong {
    color: var(--text-primary);
    font-weight: 600;
}

.cursor {
    display: inline-block;
    color: var(--accent-color);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* BENEFITS SECTION */
.benefits-section {
    padding: var(--section-padding);
    background: rgba(15, 23, 42, 0.8);
    /* Semi-transparent background */
}

.section-title {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--grid-line);
    padding: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

.card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}


/* SERVICES SECTION */
.services-section {
    padding: var(--section-padding);
}

.service-item {
    background: transparent;
    border: 1px solid var(--text-secondary);
    padding: 2rem;
    text-align: left;
    color: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-color);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

.service-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-item:hover::before {
    transform: scaleY(1);
}

.service-item h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-item p {
    color: var(--text-secondary);
}