.howto-timeline-page {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 52px 24px 110px;
}

.timeline-hero {
    max-width: 760px;
    margin: 0 auto 58px;
    text-align: center;
}

.timeline-label {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.timeline-hero h1 {
    margin-bottom: 16px;
    color: var(--text);
    font-size: clamp(40px, 5vw, 56px);
    line-height: 1.08;
    letter-spacing: -2px;
}

.timeline-hero p {
    max-width: 640px;
    margin: 0 auto;
    color: var(--secondary);
    font-size: 17px;
    line-height: 1.7;
}

.howto-timeline {
    position: relative;
    width: 100%;
}

.howto-timeline::before {
    content: "";
    position: absolute;
    top: 18px;
    bottom: 46px;
    left: 50%;
    width: 2px;
    background:
        linear-gradient(to bottom,
            transparent 0%,
            var(--primary) 7%,
            var(--primary) 94%,
            transparent 100%);
    opacity: 0.7;
    transform: translateX(-50%);
}

.timeline-start {
    position: relative;
    z-index: 3;
    display: flex;
    justify-content: center;
    height: 20px;
}

.timeline-start span {
    display: block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: var(--white);
    box-shadow:
        0 0 0 7px var(--white);
}

.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns:
        minmax(0, 1fr) 76px minmax(0, 1fr);
    align-items: center;
    min-height: 360px;
    scroll-margin-top: 120px;
}

.timeline-side {
    min-width: 0;
}

.timeline-media {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.timeline-item-left .timeline-media {
    padding-right: 14px;
}

.timeline-item-right .timeline-media {
    padding-left: 14px;
}

.timeline-image-card {
    width: min(100%, 440px);
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card);
    box-shadow:
        0 18px 50px rgba(0, 0, 0, 0.16);
    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.timeline-image-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
    box-shadow:
        0 22px 60px rgba(94, 44, 237, 0.16);
}

.timeline-image-card img {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.timeline-content {
    width: 100%;
    max-width: 430px;
}

.timeline-item-left .timeline-content {
    padding-left: 16px;
}

.timeline-item-right .timeline-content {
    padding-right: 16px;
}

.timeline-step {
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

.timeline-content h2 {
    margin-bottom: 13px;
    color: var(--text);
    font-size: clamp(27px, 3vw, 35px);
    line-height: 1.2;
    letter-spacing: -0.8px;
}

.timeline-content p {
    max-width: 410px;
    margin-bottom: 11px;
    color: var(--secondary);
    font-size: 15px;
    line-height: 1.72;
}

.timeline-content p:last-of-type {
    margin-bottom: 0;
}

.timeline-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 17px;
    color: var(--secondary);
    font-size: 13px;
    font-weight: 600;
}

.timeline-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.timeline-meta-item svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.timeline-meta-item:first-child svg circle {
    fill: currentColor;
    stroke: none;
}

.timeline-meta-separator {
    color: var(--muted);
}

.timeline-marker {
    position: relative;
    z-index: 4;
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    justify-self: center;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: var(--primary);
    color: var(--on-primary);
    box-shadow:
        0 0 0 8px var(--white);
    font-size: 16px;
    font-weight: 800;
}

.timeline-marker span {
    position: relative;
    z-index: 1;
}

.timeline-item:target .timeline-marker {
    background: var(--primary);
    color: var(--on-primary);
    border-color: var(--primary);
    box-shadow:
        0 0 0 8px var(--white),
        0 0 0 12px var(--primary);
}

.timeline-item:target .timeline-content h2 {
    color: var(--primary);
}

.timeline-item:target .timeline-image-card {
    border-color: var(--primary);
    box-shadow:
        0 24px 65px rgba(94, 44, 237, 0.20);
}

.timeline-end {
    position: relative;
    z-index: 4;
    display: flex;
    justify-content: center;
    height: 46px;
    margin-top: -1px;
}

.timeline-heart {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: var(--white);
    color: var(--primary);
    box-shadow:
        0 0 0 8px var(--white);
}

.timeline-heart svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.timeline-help {
    display: grid;
    grid-template-columns:
        58px minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    width: 100%;
    margin-top: 30px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--primary-soft);
}

.timeline-help-icon {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--primary);
    border-radius: 50%;
    color: var(--primary);
    background: var(--primary-soft);
}

.timeline-help-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.timeline-help-content {
    min-width: 0;
}

.timeline-help-content h2 {
    margin-bottom: 5px;
    color: var(--text);
    font-size: 18px;
    line-height: 1.35;
}

.timeline-help-content p {
    color: var(--secondary);
    font-size: 14px;
    line-height: 1.6;
}

.timeline-help-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.timeline-help-button {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border-radius: 10px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease,
        color 0.2s ease;
}

.timeline-help-button:hover {
    transform: translateY(-1px);
}

.timeline-help-button-secondary {
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
}

.timeline-help-button-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.timeline-help-button-primary {
    border: 1px solid var(--primary);
    background: var(--primary);
    color: var(--on-primary);
}

.timeline-help-button-primary:hover {
    background: var(--primary-dark);
}

@media (max-width: 1100px) {
    .howto-timeline-page {
        max-width: 1050px;
    }

    .timeline-item {
        grid-template-columns:
            minmax(0, 1fr) 68px minmax(0, 1fr);
        min-height: 330px;
    }

    .timeline-image-card {
        width: min(100%, 400px);
        aspect-ratio: 16 / 10;
    }

    .timeline-marker {
        width: 54px;
        height: 54px;
    }
}

@media (max-width: 900px) {
    .howto-timeline-page {
        padding:
            48px 20px 90px;
    }

    .timeline-hero {
        margin-bottom: 52px;
    }

    .timeline-hero h1 {
        font-size: 48px;
    }

    .timeline-hero p {
        font-size: 16px;
    }

    .timeline-item {
        grid-template-columns:
            minmax(0, 1fr) 60px minmax(0, 1fr);
        min-height: 315px;
    }

    .timeline-item-left .timeline-media {
        padding-right: 10px;
    }

    .timeline-item-right .timeline-media {
        padding-left: 10px;
    }

    .timeline-item-left .timeline-content {
        padding-left: 10px;
    }

    .timeline-item-right .timeline-content {
        padding-right: 10px;
    }

    .timeline-image-card {
        width: min(100%, 360px);
        aspect-ratio: 16 / 10;
        border-radius: 18px;
    }

    .timeline-content h2 {
        font-size: 27px;
    }

    .timeline-content p {
        font-size: 14px;
    }

    .timeline-marker {
        width: 50px;
        height: 50px;
        font-size: 15px;
    }

    .timeline-item:target .timeline-marker {
        box-shadow:
            0 0 0 6px var(--white),
            0 0 0 10px var(--primary);
    }

    .timeline-help {
        grid-template-columns:
            52px minmax(0, 1fr);
    }

    .timeline-help-actions {
        grid-column: 1 / -1;
        justify-content: flex-end;
    }
}

@media (max-width: 600px) {
    .howto-timeline-page {
        padding:
            44px 16px 70px;
    }

    .timeline-hero {
        margin-bottom: 44px;
    }

    .timeline-label {
        margin-bottom: 10px;
        font-size: 12px;
    }

    .timeline-hero h1 {
        margin-bottom: 13px;
        font-size: 36px;
        letter-spacing: -1.3px;
    }

    .timeline-hero p {
        font-size: 15px;
        line-height: 1.65;
    }

    .howto-timeline::before {
        top: 0;
        bottom: 42px;
        left: 19px;
        width: 2px;
        transform: none;
    }

    .timeline-start {
        display: none;
    }

    .timeline-item,
    .timeline-item-left,
    .timeline-item-right {
        display: grid;
        grid-template-columns:
            40px minmax(0, 1fr);
        align-items: start;
        min-height: 0;
        padding-bottom: 54px;
        scroll-margin-top: 95px;
    }

    .timeline-marker {
        grid-column: 1;
        grid-row: 1 / span 2;
        width: 40px;
        height: 40px;
        justify-self: start;
        border-width: 2px;
        box-shadow:
            0 0 0 6px var(--white);
        font-size: 13px;
    }

    .timeline-item:target .timeline-marker {
        background: var(--primary);
        color: var(--on-primary);
        border-color: var(--primary);
        box-shadow:
            0 0 0 6px var(--white),
            0 0 0 9px var(--primary);
    }

    .timeline-content,
    .timeline-item-left .timeline-content,
    .timeline-item-right .timeline-content {
        grid-column: 2;
        grid-row: 1;
        max-width: none;
        padding:
            0 0 0 18px;
    }

    .timeline-step {
        margin-bottom: 8px;
        font-size: 12px;
    }

    .timeline-content h2 {
        margin-bottom: 10px;
        font-size: 25px;
        letter-spacing: -0.4px;
    }

    .timeline-content p {
        max-width: none;
        margin-bottom: 10px;
        font-size: 14px;
        line-height: 1.7;
    }

    .timeline-meta {
        margin-top: 14px;
        gap: 7px 8px;
        font-size: 12px;
    }

    .timeline-meta-item {
        gap: 5px;
    }

    .timeline-meta-item svg {
        width: 15px;
        height: 15px;
    }

    .timeline-media,
    .timeline-item-left .timeline-media,
    .timeline-item-right .timeline-media {
        grid-column: 2;
        grid-row: 2;
        justify-content: flex-start;
        padding:
            20px 0 0 18px;
    }

    .timeline-image-card {
        width: 100%;
        height: auto;
        aspect-ratio: auto;
        min-height: 0;
        border-radius: 18px;
    }

    .timeline-image-card img {
        width: 100%;
        height: auto;
        max-width: 100%;
        max-height: none;
        object-fit: contain;
    }

    .timeline-end {
        justify-content: flex-start;
        height: 40px;
    }

    .timeline-heart {
        width: 40px;
        height: 40px;
        box-shadow:
            0 0 0 6px var(--white);
    }

    .timeline-heart svg {
        width: 19px;
        height: 19px;
    }

    .timeline-help {
        grid-template-columns: 1fr;
        gap: 15px;
        margin-top: 20px;
        padding: 20px;
    }

    .timeline-help-icon {
        width: 52px;
        height: 52px;
    }

    .timeline-help-content h2 {
        font-size: 17px;
    }

    .timeline-help-content p {
        font-size: 13px;
    }

    .timeline-help-actions {
        width: 100%;
        display: grid;
        grid-template-columns:
            1fr 1fr;
        gap: 10px;
    }

    .timeline-help-button {
        width: 100%;
        min-height: 42px;
        padding:
            0 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .howto-timeline-page {
        padding:
            40px 14px 65px;
    }

    .timeline-hero {
        margin-bottom: 40px;
    }

    .timeline-hero h1 {
        font-size: 32px;
    }

    .timeline-hero p {
        font-size: 14px;
    }

    .timeline-item,
    .timeline-item-left,
    .timeline-item-right {
        grid-template-columns:
            36px minmax(0, 1fr);
        padding-bottom: 50px;
    }

    .howto-timeline::before {
        left: 17px;
    }

    .timeline-marker {
        width: 36px;
        height: 36px;
        font-size: 12px;
        box-shadow:
            0 0 0 5px var(--white);
    }

    .timeline-item:target .timeline-marker {
        box-shadow:
            0 0 0 5px var(--white),
            0 0 0 8px var(--primary);
    }

    .timeline-content,
    .timeline-item-left .timeline-content,
    .timeline-item-right .timeline-content {
        padding-left: 15px;
    }

    .timeline-content h2 {
        font-size: 23px;
    }

    .timeline-content p {
        font-size: 13px;
    }

    .timeline-media,
    .timeline-item-left .timeline-media,
    .timeline-item-right .timeline-media {
        padding-left: 15px;
        padding-top: 18px;
    }

    .timeline-image-card {
        width: 100%;
        border-radius: 16px;
    }

    .timeline-meta {
        font-size: 11px;
    }

    .timeline-meta-item svg {
        width: 14px;
        height: 14px;
    }

    .timeline-help {
        padding: 18px;
    }

    .timeline-help-actions {
        grid-template-columns: 1fr;
    }

    .timeline-help-button {
        width: 100%;
    }
}

@media (max-width: 360px) {
    .howto-timeline-page {
        padding-left: 11px;
        padding-right: 11px;
    }

    .timeline-hero h1 {
        font-size: 29px;
    }

    .timeline-hero p {
        font-size: 13px;
    }

    .timeline-item,
    .timeline-item-left,
    .timeline-item-right {
        grid-template-columns:
            32px minmax(0, 1fr);
    }

    .howto-timeline::before {
        left: 15px;
    }

    .timeline-marker {
        width: 32px;
        height: 32px;
        font-size: 11px;
        box-shadow:
            0 0 0 4px var(--white);
    }

    .timeline-item:target .timeline-marker {
        box-shadow:
            0 0 0 4px var(--white),
            0 0 0 7px var(--primary);
    }

    .timeline-content,
    .timeline-item-left .timeline-content,
    .timeline-item-right .timeline-content {
        padding-left: 13px;
    }

    .timeline-content h2 {
        font-size: 21px;
    }

    .timeline-content p {
        font-size: 12px;
    }

    .timeline-media,
    .timeline-item-left .timeline-media,
    .timeline-item-right .timeline-media {
        padding-left: 13px;
    }

    .timeline-meta {
        gap: 6px;
        font-size: 10px;
    }

    .timeline-heart {
        width: 36px;
        height: 36px;
    }

    .timeline-heart svg {
        width: 17px;
        height: 17px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .timeline-image-card,
    .timeline-help-button {
        transition: none;
    }

    .timeline-image-card:hover,
    .timeline-help-button:hover {
        transform: none;
    }
}

/* =========================================
   Timeline Image Lightbox / Popup
========================================= */

.timeline-image-card {
    cursor: zoom-in;
}

.timeline-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: 100%;
    padding: 30px;

    background: rgba(0, 0, 0, 0.88);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transition:
        opacity 0.2s ease,
        visibility 0.2s ease;
}

.timeline-lightbox.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.timeline-lightbox-content {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    height: 100%;

    max-width: 1500px;
    max-height: 95vh;
}

.timeline-lightbox-image {
    display: block;

    width: min(90vw, 1200px);
    height: auto;
    max-height: 92vh;

    object-fit: contain;

    border-radius: 12px;

    box-shadow:
        0 20px 80px rgba(0, 0, 0, 0.6);

    transform: scale(0.96);

    transition: transform 0.2s ease;
}

.timeline-lightbox.is-open .timeline-lightbox-image {
    transform: scale(1);
}

.timeline-lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    z-index: 1000000;

    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;

    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;

    font-family: Arial, sans-serif;
    font-size: 32px;
    font-weight: 300;
    line-height: 1;

    cursor: pointer;

    transition: background 0.2s ease, transform 0.2s ease;
}

.timeline-lightbox-close:hover {
    background: rgba(0, 0, 0, 0.85);
    transform: scale(1.05);
}

.timeline-lightbox-close:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

body.timeline-lightbox-open {
    overflow: hidden;
}

@media (max-width: 600px) {
    .timeline-lightbox {
        padding: 15px;
    }

    .timeline-lightbox-image {
        width: 92vw;
        max-height: 86vh;
        border-radius: 10px;
    }

    .timeline-lightbox-close {
        top: 12px;
        right: 12px;
        width: 42px;
        height: 42px;
        font-size: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {

    .timeline-lightbox,
    .timeline-lightbox-image,
    .timeline-lightbox-close {
        transition: none;
    }
}