.personalization {
    overflow: hidden;
    background: #ffffff;
}

.timeline-heading {
    max-width: 980px;
    margin-inline: auto;
    text-align: center;
}

.ai-timeline {
    position: relative;
    display: grid;
    gap: 70px;
    margin-top: 92px;
    padding-bottom: 30px;
}

.timeline-line {
    position: absolute;
    top: 26px;
    bottom: 36px;
    left: 50%;
    width: 4px;
    border-radius: 999px;
    background: #e8efff;
    transform: translateX(-50%);
}

.timeline-line span {
    display: block;
    width: 100%;
    height: calc(var(--timeline-progress, 0) * 1%);
    border-radius: inherit;
    background: linear-gradient(180deg, var(--color-cyan), var(--color-blue), var(--color-violet));
    box-shadow: 0 0 28px rgba(8,87,255,0.52);
}

.timeline-step {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 90px;
    align-items: center;
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 2;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background:
        radial-gradient(circle, var(--color-blue) 0 32%, #fff 34% 55%, rgba(8,87,255,0.18) 56%);
    box-shadow: 0 0 0 9px rgba(8,87,255,0.08), 0 0 28px rgba(8,87,255,0.38);
    transform: translate(-50%, -50%);
}

.timeline-visual {
    position: relative;
    min-height: 290px;
    padding: 32px;
    border: 1px solid rgba(8, 87, 255, 0.14);
    border-radius: 30px;
    background:
        radial-gradient(circle at 10% 12%, rgba(169,255,214,0.32), transparent 36%),
        linear-gradient(135deg, #f9fcff, #eef4ff);
    box-shadow: 0 24px 80px rgba(8, 36, 88, 0.1);
}

.timeline-copy {
    position: relative;
    padding: 20px 0;
}

.timeline-number {
    position: absolute;
    z-index: 0;
    top: -44px;
    left: -10px;
    color: rgba(8, 87, 255, 0.07);
    font-size: clamp(6rem, 12vw, 10.5rem);
    font-weight: 950;
    line-height: 1;
}

.timeline-copy h3,
.timeline-copy p,
.timeline-copy .btn {
    position: relative;
    z-index: 1;
}

.timeline-copy h3 {
    margin: 0;
    color: var(--color-text);
    font-size: clamp(2rem, 3.8vw, 3.35rem);
    line-height: 1;
}

.timeline-copy p {
    max-width: 540px;
    margin: 22px 0 0;
    color: var(--color-text);
    font-size: clamp(1.08rem, 1.8vw, 1.35rem);
    line-height: 1.55;
}

.timeline-copy .btn {
    margin-top: 30px;
}

.tone-picker {
    display: grid;
    align-content: center;
    gap: 16px;
}

.tone-picker span,
.flow-card span,
.knowledge-card span {
    display: block;
    width: max-content;
    min-width: 210px;
    padding: 15px 20px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 18px 48px rgba(8, 36, 88, 0.09);
    color: var(--color-blue-dark);
    font-size: 1.05rem;
    font-weight: 850;
}

.tone-picker span:first-child {
    color: #fff;
    background: linear-gradient(135deg, var(--color-blue), var(--color-violet));
    box-shadow: var(--shadow-blue);
}

.tone-picker span:nth-child(2) {
    margin-left: 70px;
}

.tone-picker span:nth-child(3) {
    margin-left: 130px;
}

.timeline-step-alt .timeline-copy {
    text-align: right;
}

.timeline-step-alt .timeline-copy p {
    margin-left: auto;
}

.flow-card {
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 18px;
}

.flow-card span {
    position: relative;
}

.flow-card span::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -18px;
    width: 2px;
    height: 18px;
    background: linear-gradient(var(--color-blue), transparent);
}

.flow-card span:last-child::after {
    display: none;
}

.knowledge-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-content: center;
}

.knowledge-card span {
    width: auto;
    min-width: 0;
    text-align: center;
}

.report-card {
    display: grid;
    align-content: center;
    gap: 22px;
}

.report-card strong {
    color: var(--color-blue-dark);
    font-size: 1.25rem;
}

.report-card i {
    display: block;
    width: var(--value);
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-cyan), var(--color-mint));
    box-shadow: 0 16px 40px rgba(8,87,255,0.18);
}

@media (max-width: 900px) {
    .ai-timeline {
        gap: 54px;
    }

    .timeline-line {
        left: 14px;
    }

    .timeline-step,
    .timeline-step-alt {
        grid-template-columns: 1fr;
        gap: 26px;
        padding-left: 46px;
    }

    .timeline-step::before {
        left: 14px;
    }

    .timeline-step-alt .timeline-copy {
        order: 2;
        text-align: left;
    }

    .timeline-step-alt .timeline-copy p {
        margin-left: 0;
    }

    .timeline-step-alt .timeline-visual {
        order: 1;
    }
}

@media (max-width: 560px) {
    .timeline-visual {
        min-height: 240px;
        padding: 22px;
    }

    .tone-picker span {
        min-width: 0;
        width: 100%;
        margin-left: 0 !important;
    }
}