.services {
    padding-block: var(--section-padding);
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.services__header {
    text-align: center;
    margin-bottom: var(--space-16);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.services__header .section-subtitle {
    margin-inline: auto;
}

.services__bento {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.bento-card {
    grid-column: span 1;
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    overflow: hidden;
    cursor: pointer;
    transition:
        transform var(--duration-normal) var(--ease-out-expo),
        border-color var(--duration-normal),
        box-shadow var(--duration-normal);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.bento-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-bright);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 32px rgba(0, 230, 118, 0.06);
}

.bento-card--large {
    grid-column: span 1;
}

.bento-card--wide {
    grid-column: span 1;
}

.bento-card__glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 70% 30%, rgba(0, 230, 118, 0.07) 0%, transparent 60%);
    opacity: 0;
    transition: opacity var(--duration-slow);
    pointer-events: none;
}

.bento-card:hover .bento-card__glow {
    opacity: 1;
}

.bento-card__icon {
    color: var(--color-primary);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.08);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 230, 118, 0.15);
    flex-shrink: 0;
    transition: background var(--duration-normal), border-color var(--duration-normal);
}

.bento-card:hover .bento-card__icon {
    background: rgba(0, 230, 118, 0.14);
    border-color: rgba(0, 230, 118, 0.3);
}

.bento-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
}

.bento-card__tag {
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-dim);
}

.bento-card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    line-height: var(--leading-snug);
}

.bento-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
}

.bento-card__metrics {
    display: flex;
    gap: var(--space-6);
    margin-top: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric__val {
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.metric__lbl {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

.bento-card__tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

@media (max-width: 640px) {
    .services__bento {
        grid-template-columns: 1fr;
    }

    .bento-card,
    .bento-card--large,
    .bento-card--wide {
        grid-column: span 1;
    }
}

.about {
    padding-block: var(--section-padding);
    background: var(--color-bg);
    position: relative;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 900px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
}

.about__text {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about__para {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: var(--leading-loose);
}

.about__para+.about__para {
    margin-top: var(--space-1);
}

.about__text .btn {
    margin-top: var(--space-4);
    align-self: flex-start;
    padding: var(--space-3) var(--space-8);
    font-size: var(--text-base);
}

.about__card-stack {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.about__feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    transition: border-color var(--duration-normal), transform var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal);
}

.about__feature-card:hover {
    border-color: var(--color-border-bright);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.about__feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.about__feature-card strong {
    display: block;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.about__feature-card p {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
}

@media (max-width: 480px) {
    .about__card-stack {
        grid-template-columns: 1fr;
    }
}

.relationship {
    padding-block: var(--section-padding);
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

.relationship::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 230, 118, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.relationship__header {
    text-align: center;
    margin-bottom: var(--space-16);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.relationship__header .section-subtitle {
    margin-inline: auto;
}

.relationship__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-12);
}

.relationship__process {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    width: 100%;
    max-width: 1100px;
}

.relationship__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    min-width: 140px;
    max-width: 180px;
    transition: all var(--duration-normal) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.relationship__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.relationship__card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-bright);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 230, 118, 0.08);
}

.relationship__card:hover::before {
    opacity: 1;
}

.relationship__card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    transition: all var(--duration-normal);
}

.relationship__card:hover .relationship__card-icon {
    background: rgba(0, 230, 118, 0.18);
    border-color: rgba(0, 230, 118, 0.4);
    transform: scale(1.1);
}

.relationship__card h3 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
}

.relationship__card p {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-align: center;
    line-height: var(--leading-normal);
}

.relationship__process-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    opacity: 0.5;
    transition: all var(--duration-normal);
    padding: var(--space-2);
}

.relationship__process-arrow:hover {
    opacity: 1;
    transform: scale(1.2);
}

.relationship__footer {
    text-align: center;
    padding: var(--space-6) var(--space-8);
    background: rgba(0, 230, 118, 0.05);
    border: 1px solid rgba(0, 230, 118, 0.15);
    border-radius: var(--radius-lg);
    max-width: 500px;
}

.relationship__footer p {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: var(--leading-relaxed);
}

.relationship__footer strong {
    color: var(--color-primary);
}

@media (max-width: 900px) {
    .relationship__process {
        flex-direction: column;
        gap: var(--space-6);
    }

    .relationship__process-arrow {
        transform: rotate(90deg);
    }

    .relationship__process-arrow:hover {
        transform: rotate(90deg) scale(1.2);
    }

    .relationship__card {
        min-width: 200px;
        max-width: 280px;
    }

    .relationship__card--joyle {
        min-width: 220px;
    }
}

@media (max-width: 480px) {
    .relationship__card {
        min-width: 160px;
        padding: var(--space-5);
    }

    .relationship__card-icon {
        width: 48px;
        height: 48px;
    }

    .relationship__card--joyle .relationship__card-icon {
        width: 56px;
        height: 56px;
    }
}

/* ── Tree Layout (rel-tree) ─────────────────────────── */

.rel-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 600px;
    margin-inline: auto;
    gap: 0;
}

.rel-tree__row {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    width: 100%;
}

.rel-tree__row--top {
    justify-content: center;
}

.rel-tree__row--middle {
    justify-content: space-between;
    padding-inline: var(--space-4);
}

.rel-tree__row--bottom {
    justify-content: center;
}

/* Arrow SVG containers */
.rel-tree__arrows-top,
.rel-tree__arrows-bottom {
    width: 100%;
    position: relative;
    pointer-events: none;
}

.rel-tree__svg-top {
    width: 100%;
    height: 80px;
    display: block;
}

.rel-tree__svg-bottom {
    width: 100%;
    height: 64px;
    display: block;
}

/* Cards */
.rel-tree__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-8);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    min-width: 150px;
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.rel-tree__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.rel-tree__card:hover {
    transform: translateY(-6px);
    border-color: var(--color-border-bright);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 230, 118, 0.08);
}

.rel-tree__card:hover::before {
    opacity: 1;
}

.rel-tree__card--joyle {
    border-color: rgba(0, 230, 118, 0.3);
    background: rgba(0, 230, 118, 0.05);
    box-shadow: 0 0 30px rgba(0, 230, 118, 0.08);
    min-width: 180px;
}

.rel-tree__card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.2);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    transition: all var(--duration-normal);
}

.rel-tree__card:hover .rel-tree__card-icon {
    background: rgba(0, 230, 118, 0.18);
    border-color: rgba(0, 230, 118, 0.4);
    transform: scale(1.08);
}

.rel-tree__card h3 {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
}

@media (max-width: 600px) {
    .rel-tree__card {
        min-width: 120px;
        padding: var(--space-4) var(--space-5);
    }

    .rel-tree__card h3 {
        font-size: var(--text-sm);
    }

    .rel-tree__card-icon {
        width: 44px;
        height: 44px;
    }

    .rel-tree__svg-top {
        height: 60px;
    }

    .rel-tree__svg-bottom {
        height: 48px;
    }
}