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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
}

nav {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 1rem 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    border-bottom: 1px solid #404040;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: #c0c0c0;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #ffffff;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: auto;
}

.logo a {
    color: #ffffff;
    text-decoration: none;
}

.logo a:hover {
    color: #ffffff;
}

.about-container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.about-container h1 {
    color: #c0c0c0;
    font-size: 3rem;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 600;
}

.about-container h2 {
    color: #c0c0c0;
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.about-card {
    background: linear-gradient(135deg, #2a2a2a 0%, #232323 100%);
    padding: 3rem;
    border-radius: 3px;
    border: 1px solid #404040;
    position: relative;
    margin-bottom: 4rem;
}

.about-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 12px;
    background:
        repeating-linear-gradient(
            0deg,
            #808080,
            #808080 5px,
            #606060 5px,
            #606060 10px
        );
}

.about-card p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #b0b0b0;
    margin-left: 1rem;
}

.about-card p:not(:last-child) {
    margin-bottom: 1.5rem;
}

.mission-section {
    margin-bottom: 4rem;
}

.mission-card {
    background: linear-gradient(135deg, #2a2a2a 0%, #232323 100%);
    padding: 2.5rem;
    border-radius: 3px;
    border: 1px solid #404040;
    position: relative;
}

.mission-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 12px;
    background:
        repeating-linear-gradient(
            0deg,
            #808080,
            #808080 5px,
            #606060 5px,
            #606060 10px
        );
}

.mission-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #b0b0b0;
    margin-left: 1rem;
}

.how-it-works {
    margin-bottom: 4rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: linear-gradient(135deg, #2a2a2a 0%, #232323 100%);
    padding: 2rem;
    border-radius: 3px;
    border: 1px solid #404040;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.step-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 8px;
    background:
        repeating-linear-gradient(
            0deg,
            #808080,
            #808080 5px,
            #606060 5px,
            #606060 10px
        );
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.6);
    border-color: #606060;
}

.step-number {
    font-size: 3rem;
    font-weight: bold;
    color: #808080;
    margin-bottom: 1rem;
    margin-left: 1rem;
}

.step-card h3 {
    color: #c0c0c0;
    margin-bottom: 1rem;
    font-weight: 600;
    margin-left: 1rem;
}

.step-card p {
    color: #a0a0a0;
    line-height: 1.6;
    margin-left: 1rem;
}
.floating-pcs-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.floating-pc {
    position: absolute;
    right: -100px; /* Start off-screen to the right */
    animation: floatLeftward linear infinite;
    opacity: 0.15;
    filter: blur(0.5px);
}

@keyframes floatLeftward {
    0% {
        right: -100px;
        opacity: 0;
    }
    5% {
        opacity: 0.15;
    }
    95% {
        opacity: 0.15;
    }
    100% {
        right: 100%;
        opacity: 0;
    }
}

/* Tiny Optiplex PC Styles */
.tiny-optiplex {
    width: 50px;
    height: 100px;
    background: #2a2a2a;
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    position: relative;
    border: 1px solid #1a1a1a;
    border-bottom: 4px solid #1a1a1a;
}

.tiny-top {
    height: 6px;
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border-bottom: 1px solid #1a1a1a;
}

.tiny-drives {
    padding: 2px;
}

.tiny-drive {
    height: 7px;
    background: linear-gradient(180deg, #4a4a4a 0%, #3a3a3a 50%, #2a2a2a 100%);
    border: 1px solid #1a1a1a;
    border-radius: 1px;
    margin-bottom: 2px;
}

.tiny-drive-small {
    height: 5px;
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    border: 1px solid #0a0a0a;
    border-radius: 1px;
}

.tiny-control {
    padding: 2px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 8px;
    background: #2a2a2a;
    border-bottom: 1px solid #1a1a1a;
}

.tiny-port {
    width: 3px;
    height: 3px;
    background: #0a0a0a;
    border: 1px solid #3a3a3a;
    border-radius: 50%;
}

.tiny-mesh {
    height: 60px;
    background: linear-gradient(135deg, #e0e0e0 0%, #d0d0d0 50%, #c8c8c8 100%);
    position: relative;
    overflow: hidden;
}

.tiny-mesh::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.3) 0px,
            rgba(0, 0, 0, 0.3) 1px,
            transparent 1px,
            transparent 3px
        );
}

.tiny-mesh::after {
    content: 'OPTIPLEX';
    position: absolute;
    top: 15%;
    left: 35%;
    transform: translate(-50%, -50%);
    font-size: 5px;
    font-weight: 700;
    color: #2a2a2a;
    letter-spacing: 0.5px;
    font-family: 'Impact', 'Arial Black', sans-serif;
}

.tiny-bottom {
    height: 5px;
    background: linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
}

footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
    color: #909090;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    border-top: 1px solid #404040;
}

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Tablets and smaller (768px and below) */
@media (max-width: 768px) {
    nav {
        padding: 1rem 1rem;
    }

    nav ul {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .logo {
        font-size: 1.2rem;
    }

    .about-container {
        padding: 0 1.5rem;
        margin: 3rem auto;
    }

    .about-container h1 {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }

    .about-container h2 {
        font-size: 1.7rem;
        margin-bottom: 1.5rem;
    }

    .about-card {
        padding: 2rem 1.5rem;
        margin-bottom: 3rem;
    }

    .about-card::before {
        width: 8px;
    }

    .about-card p {
        font-size: 1.1rem;
        margin-left: 0.5rem;
    }

    .mission-card {
        padding: 2rem 1.5rem;
    }

    .mission-card::before {
        width: 8px;
    }

    .mission-card p {
        font-size: 1rem;
        margin-left: 0.5rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step-card {
        padding: 1.5rem;
    }

    .step-card::before {
        width: 6px;
    }

    .step-number {
        font-size: 2.5rem;
        margin-left: 0.5rem;
    }

    .step-card h3 {
        font-size: 1.1rem;
        margin-left: 0.5rem;
    }

    .step-card p {
        margin-left: 0.5rem;
    }

    /* Hide floating PCs on tablets for better readability */
    .floating-pc {
        opacity: 0.08;
    }
}

/* Mobile devices (480px and below) */
@media (max-width: 480px) {
    nav {
        padding: 0.8rem 1rem;
    }

    nav ul {
        gap: 0.5rem;
        font-size: 0.9rem;
    }

    .logo {
        font-size: 1rem;
    }

    .about-container {
        padding: 0 1rem;
        margin: 2rem auto;
    }

    .about-container h1 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .about-container h2 {
        font-size: 1.5rem;
        margin-bottom: 1.2rem;
    }

    .about-card {
        padding: 1.5rem 1rem;
        margin-bottom: 2rem;
    }

    .about-card::before {
        width: 6px;
    }

    .about-card p {
        font-size: 1rem;
        line-height: 1.7;
        margin-left: 0.3rem;
    }

    .about-card p:not(:last-child) {
        margin-bottom: 1.2rem;
    }

    .mission-section {
        margin-bottom: 2.5rem;
    }

    .mission-card {
        padding: 1.5rem 1rem;
    }

    .mission-card::before {
        width: 6px;
    }

    .mission-card p {
        font-size: 1rem;
        line-height: 1.7;
        margin-left: 0.3rem;
    }

    .how-it-works {
        margin-bottom: 2.5rem;
    }

    .steps-grid {
        gap: 1rem;
    }

    .step-card {
        padding: 1.2rem 1rem;
    }

    .step-card::before {
        width: 4px;
    }

    .step-number {
        font-size: 2rem;
        margin-bottom: 0.8rem;
        margin-left: 0.3rem;
    }

    .step-card h3 {
        font-size: 1rem;
        margin-bottom: 0.8rem;
        margin-left: 0.3rem;
    }

    .step-card p {
        font-size: 0.95rem;
        margin-left: 0.3rem;
    }

    footer {
        padding: 1.5rem 1rem;
        font-size: 0.9rem;
        margin-top: 3rem;
    }

    /* Hide floating PCs on small mobile for performance */
    .floating-pc {
        display: none;
    }
}

/* Very small mobile devices (360px and below) */
@media (max-width: 360px) {
    nav ul {
        gap: 0.3rem;
        font-size: 0.85rem;
    }

    .about-container h1 {
        font-size: 1.5rem;
    }

    .about-container h2 {
        font-size: 1.3rem;
    }

    .about-card,
    .mission-card,
    .step-card {
        padding: 1rem 0.8rem;
    }

    .about-card p,
    .mission-card p {
        font-size: 0.95rem;
    }

    .step-number {
        font-size: 1.8rem;
    }

    .step-card h3 {
        font-size: 0.95rem;
    }

    .step-card p {
        font-size: 0.9rem;
    }
}