:root {
    --neon-blue: #00f3ff;
    --deep-black: #0a0a0a;
    --tech-gray: #1f1f1f;
    --text-white: #ffffff;
    --text-gray: #b0b0b0;
    --accent-purple: #bc13fe;
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--deep-black);
    color: var(--text-white);
    line-height: 1.6;
}

.tech-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--deep-black);
    min-height: 100vh;
    border-left: 1px solid #333;
    border-right: 1px solid #333;
}

/* Header */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.chip-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 5px var(--neon-blue));
}

.logo-box h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-box h1 span {
    color: var(--neon-blue);
}

.top-nav {
    display: flex;
    gap: 2rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-item:hover, .nav-item.active {
    color: var(--neon-blue);
    border-bottom-color: var(--neon-blue);
    text-shadow: 0 0 8px rgba(0, 243, 255, 0.5);
}

/* Feature Sections */
.feature-section {
    display: flex;
    align-items: center;
    padding: 5rem 2rem;
    gap: 4rem;
    min-height: 600px;
}

.dark-mode {
    background: linear-gradient(135deg, var(--deep-black) 0%, #111 100%);
}

.light-mode {
    background: var(--tech-gray);
}

.content-block {
    flex: 1;
}

.label {
    display: inline-block;
    color: var(--neon-blue);
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.content-block h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.intro-text {
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    border-top: 1px solid #333;
    padding-top: 2rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-item strong {
    color: var(--text-white);
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.spec-item span {
    color: var(--neon-blue);
    font-family: monospace;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #444;
    color: var(--text-gray);
    display: flex;
    align-items: center;
}

.feature-list li::before {
    content: '>';
    color: var(--accent-purple);
    margin-right: 1rem;
    font-weight: bold;
}

.image-block {
    flex: 1;
    position: relative;
}

.image-block img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid #333;
    transition: transform 0.5s;
}

.image-block img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 243, 255, 0.1);
}

/* Parts Showcase */
.parts-showcase {
    padding: 5rem 2rem;
    background: var(--deep-black);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider-line {
    width: 60px;
    height: 4px;
    background: var(--accent-purple);
    margin: 0 auto;
}

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

.part-card {
    background: var(--tech-gray);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #333;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.part-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--neon-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.part-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.part-card:hover::before {
    transform: scaleX(1);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-top h4 {
    font-size: 1.4rem;
    color: var(--text-white);
}

.card-top .icon {
    font-size: 2rem;
}

.part-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Footer */
.tech-footer {
    padding: 3rem 2rem;
    background: #050505;
    text-align: center;
    border-top: 1px solid #222;
}

.footer-info p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    .feature-section {
        flex-direction: column;
        padding: 3rem 1.5rem;
        text-align: center;
    }
    .content-block h2 {
        font-size: 2.5rem;
    }
    .intro-text {
        margin: 0 auto 2rem;
    }
    .spec-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }
    .image-block.order-mobile-first {
        order: -1;
    }
    .parts-grid {
        grid-template-columns: 1fr;
    }
}