.tech-hero {
    padding: 180px 24px 100px;
    text-align: center;
    background: radial-gradient(circle at top, rgba(20,20,20,1) 0%, rgba(2,2,2,1) 100%);
    position: relative;
    z-index: 2;
}

.tech-title {
    font-weight: 800;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 25px;
    letter-spacing: -0.02em;
    color: #fff;
}

.tech-lead {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    font-weight: 300;
    color: var(--text-gray);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
}

.core-section {
    padding: 100px 0;
    background-color: #020202;
    position: relative;
    z-index: 20;
    border-top: 1px solid rgba(var(--primary-green-rgb), 0.1);
    border-bottom: 1px solid rgba(var(--primary-green-rgb), 0.1);
    overflow: hidden;
}

.core-visual {
    width: 200px;
    height: 200px;
    margin: 0 auto 60px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.core-orb {
    width: 80px;
    height: 80px;
    background: #000;
    border-radius: 50%;
    border: 2px solid var(--primary-green);
    box-shadow: 0 0 50px rgba(var(--primary-green-rgb), 0.2);
    position: relative;
    z-index: 2;
    animation: orbBreath 4s infinite ease-in-out;
    will-change: transform, box-shadow;
}

.core-ring {
    position: absolute;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cr-1 {
    width: 140px;
    height: 140px;
    border-top-color: var(--primary-green);
    animation: spin 8s infinite linear;
}

.cr-2 {
    width: 180px;
    height: 180px;
    border-bottom-color: rgba(255,255,255,0.3);
    animation: spinRev 12s infinite linear;
}

@keyframes orbBreath {
    0%, 100% {
        box-shadow: 0 0 30px rgba(var(--primary-green-rgb), 0.1);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 60px rgba(var(--primary-green-rgb), 0.4);
        transform: scale(1.05);
    }
}

@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes spinRev {
    from {
        transform: translate(-50%, -50%) rotate(360deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(0deg);
    }
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.tech-card {
    padding: 0 20px;
    border-left: 2px solid var(--border-dark);
    transition: border-color 0.3s;
}

    .tech-card:hover {
        border-left-color: var(--primary-green);
    }

.tc-title {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 15px;
}

.tc-desc {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.7;
    font-weight: 300;
}

.privacy-section {
    padding: 120px 24px;
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    font-weight: 700;
    font-size: clamp(2rem, 3vw, 2.5rem);
    margin-bottom: 60px;
    color: #fff;
}

.privacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.priv-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

    .priv-card.negative {
        border-color: rgba(var(--danger-red-rgb), 0.1);
    }

        .priv-card.negative:hover {
            border-color: var(--danger-red);
            background: rgba(var(--danger-red-rgb), 0.05);
        }

        .priv-card.negative .priv-icon svg {
            fill: #444;
        }

        .priv-card.negative:hover .priv-icon svg {
            fill: var(--danger-red);
        }

.priv-status.blocked {
    color: var(--danger-red);
    border-color: rgba(var(--danger-red-rgb), 0.3);
}

.priv-card.positive {
    border-color: rgba(var(--primary-green-rgb), 0.2);
    background: rgba(var(--primary-green-rgb), 0.02);
}

    .priv-card.positive:hover {
        border-color: var(--primary-green);
        box-shadow: 0 0 30px rgba(var(--primary-green-rgb), 0.1);
    }

    .priv-card.positive .priv-icon svg {
        fill: var(--primary-green);
        animation: pulseSlow 3s infinite;
    }

.priv-status.active {
    color: var(--primary-green);
    border-color: rgba(var(--primary-green-rgb), 0.3);
}

.priv-icon svg {
    height: 30px;
    margin-bottom: 20px;
    transition: fill 0.3s;
}

.priv-label {
    font-size: 0.95rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 600;
}

.priv-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid currentColor;
    padding: 6px 10px;
    border-radius: 4px;
    display: inline-block;
    font-weight: 700;
}

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

    50% {
        opacity: 0.6;
    }
}

.tech-cta {
    padding: 140px 24px;
    background-color: #020202;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 20;
    text-align: center;
}

.cta-note {
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary-green);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 25px;
    display: block;
    opacity: 0.9;
}

.layers-intro {
    margin-bottom: 40px;
}

.layers-heading {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.layers-text {
    color: #666;
}

.cta-heading {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 30px;
}

.btn-main-link {
    text-decoration: none;
}

@media (max-width: 768px) {
    .tech-hero {
        padding: 100px 20px 40px;
    }

    .tech-title {
        font-size: 2.3rem;
        margin-bottom: 15px;
    }

    .core-section {
        padding: 60px 20px;
    }

    .core-visual {
        margin-bottom: 40px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }

    .tech-card {
        border-left: none;
        border-top: 2px solid var(--border-dark);
        padding: 20px 0 0 0;
    }

        .tech-card:hover {
            border-top-color: var(--primary-green);
        }

    .privacy-section {
        padding: 60px 20px;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .privacy-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .priv-card {
        padding: 15px 10px;
        min-height: 140px;
    }

    .priv-icon {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }

    .priv-label {
        font-size: 0.75rem;
        margin-bottom: 8px;
    }

    .priv-status {
        font-size: 0.5rem;
        padding: 4px 6px;
    }

    .priv-card.positive {
        grid-column: 1 / -1;
        min-height: 120px;
    }

    .tech-cta {
        padding: 60px 20px;
    }
}