.metrics-section, .timeline-section, .features-section, .updates-section, .cta-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s;
}

.metric-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-elevated);
    transform: translateY(-2px);
}

.metric-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
    border-radius: var(--radius-lg);
    background: var(--green-glow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-icon svg { width: 18px; height: 18px; color: var(--green); }
    .metric-number { font-family: var(--font-mono); font-size: 32px; font-weight: 700; margin-bottom: 4px; }
    .metric-desc { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }

/* --- Timeline --- */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(to bottom, var(--green-dark), var(--border), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-dot {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 23px;
    height: 23px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    cursor: pointer;
}

.timeline-dot::after {
        content: '';
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--text-muted);
        transition: all 0.3s;
    }

    .timeline-item:hover .timeline-dot { border-color: var(--green); box-shadow: 0 0 15px rgba(0, 255, 136, 0.2); }
    .timeline-item:hover .timeline-dot::after { background: var(--green); }
    .timeline-item--active .timeline-dot { border-color: var(--green); }
    .timeline-item--active .timeline-dot::after { background: var(--green); box-shadow: 0 0 8px rgba(0, 255, 136, 0.5); }

.timeline-date { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }

    .timeline-card {
        background: var(--bg-surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-xl);
        padding: 24px;
        transition: all 0.3s;
    }

    .timeline-card:hover { border-color: var(--border-hover); background: var(--bg-elevated); }

    .timeline-card h3 {
        font-family: var(--font-mono);
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .timeline-card p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; }

    .tag {
        padding: 4px 10px;
        border-radius: var(--radius-sm);
        font-size: 11px;
        font-family: var(--font-mono);
        font-weight: 500;
    }

    .tag-live    { background: rgba(0, 255, 136, 0.1); color: var(--green); border: 1px solid rgba(0, 255, 136, 0.2); }
    .tag-building { background: rgba(255, 187, 51, 0.1); color: var(--yellow); border: 1px solid rgba(255, 187, 51, 0.2); }
    .tag-planned  { background: rgba(68, 136, 255, 0.1); color: var(--blue); border: 1px solid rgba(68, 136, 255, 0.2); }
    .tag-stack   { background: rgba(255, 255, 255, 0.04); color: var(--text-muted); border: 1px solid var(--border); }
    .tag-result { background: var(--green-glow); color: var(--green); border: 1px solid rgba(0, 255, 136, 0.2); }

    .terminal-preview {
        margin-top: 16px;
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--border);
    }

    .terminal-bar {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 10px 14px;
        background: rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid var(--border);
    }

    .terminal-bar span { width: 10px; height: 10px; border-radius: 50%; }
    .terminal-bar span:nth-child(1) { background: #ff5f57; }
    .terminal-bar span:nth-child(2) { background: #ffbd2e; }
    .terminal-bar span:nth-child(3) { background: #28c840; }
    .terminal-bar .title { margin-left: auto; font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); margin-right: auto; }

    .terminal-image { width: 100%; display: block; background: #000; }

    .perf-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        margin-top: 16px;
    }

    .perf-item {
        background: rgba(0, 255, 136, 0.04);
        border: 1px solid rgba(0, 255, 136, 0.1);
        border-radius: var(--radius-md);
        padding: 16px;
        text-align: center;
    }

    .perf-value { font-family: var(--font-mono); font-size: 20px; font-weight: 700; color: var(--green); margin-bottom: 2px; }
    .perf-label { font-size: 10px; font-family: var(--font-mono); color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* --- Features --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 24px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0;
        height: 2px;
        background: var(--green);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .feature-card:hover {
        border-color: var(--border-hover);
        background: var(--bg-elevated);
        transform: translateY(-2px);
    }

    .feature-card:hover::before { opacity: 1; }

    .feature-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; }

    .feature-icon {
        width: 36px;
        height: 36px;
        border-radius: var(--radius-md);
        background: var(--green-glow);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .feature-icon svg { width: 16px; height: 16px; color: var(--green); }
    .feature-icon svg[style*="stroke"] { stroke: currentColor; }

    .feature-card h3 {
        font-family: var(--font-mono);
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 16px;
    }

/* --- Updates --- */
.updates-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.update-item {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.3s;
}

.update-item:hover { border-color: var(--border-hover); }

    .update-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        cursor: pointer;
        user-select: none;
    }

    .update-header-left { display: flex; align-items: center; gap: 16px; }
    .update-version { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--green); }
    .update-title { font-family: var(--font-mono); font-size: 14px; font-weight: 500; }
    .update-date-badge { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

    .update-chevron {
        width: 16px;
        height: 16px;
        color: var(--text-muted);
        transition: transform 0.3s;
        flex-shrink: 0;
    }

    .update-item--open .update-chevron { transform: rotate(180deg); }

    .update-body {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .update-item--open .update-body { max-height: 600px; }

    .update-content { padding: 0 24px 24px; border-top: 1px solid var(--border); padding-top: 20px; }

    .update-content ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .update-content li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
    }

    .update-content li .bullet {
        color: var(--green);
        font-family: var(--font-mono);
        font-size: 12px;
        margin-top: 2px;
        flex-shrink: 0;
    }

    .update-content li strong { color: var(--text-primary); font-weight: 500; }

/* --- CTA --- */
.cta-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.cta-box {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
        content: '';
        position: absolute;
        top: 0; left: 50%;
        transform: translateX(-50%);
        width: 200px;
        height: 1px;
        background: linear-gradient(to right, transparent, var(--green), transparent);
    }

    .cta-box::after {
        content: '';
        position: absolute;
        top: -100px;
        left: 50%;
        transform: translateX(-50%);
        width: 400px;
        height: 200px;
        background: radial-gradient(ellipse, rgba(0, 255, 136, 0.06), transparent 70%);
        pointer-events: none;
    }

    .cta-box h2 {
        font-family: var(--font-mono);
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 12px;
        position: relative;
    }

    .cta-box p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 32px;
        position: relative;
    }

    .cta-form {
        display: flex;
        gap: 8px;
        max-width: 420px;
        margin: 0 auto;
        position: relative;
    }

    .cta-input {
        flex: 1;
        padding: 12px 16px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        background: var(--bg);
        color: var(--text-primary);
        font-family: var(--font-mono);
        font-size: 13px;
        outline: none;
        transition: border-color 0.2s;
    }

    .cta-input::placeholder { color: var(--text-muted); }
    .cta-input:focus { border-color: var(--green); }

    .cta-toast {
        display: none;
        margin-top: 16px;
        font-family: var(--font-mono);
        font-size: 12px;
        color: var(--green);
        position: relative;
    }

    .cta-toast.show { display: block; }

@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .perf-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 48px 24px; }
    .cta-form { flex-direction: column; }
}