.inty-tz,
.inty-tz * { box-sizing: border-box; }

.inty-tz {
    --inty-tz-bg: #070711;
    --inty-tz-gradient: linear-gradient(135deg, #7C5CFF 0%, #20E3B2 55%, #FF8BD1 100%);
    --inty-tz-line: #6F55FF;
    --inty-tz-node: #9B7CFF;
    --inty-tz-active: #20E3B2;
    --inty-tz-card: rgba(255,255,255,.08);
    --inty-tz-text: #F6F4FF;
    --inty-tz-muted: rgba(246,244,255,.72);
    --inty-tz-zigzag: 18%;
    --inty-tz-curve: 26px;
    --inty-tz-icon-size: 22px;
    --inty-tz-image-height: 220px;
    --inty-tz-radius: 28px;
    --inty-tz-padding: 30px;
    --inty-tz-gap: 110px;
    --inty-tz-glow: 32px;
    --inty-tz-gloss: .18;
    --inty-tz-blur: 22px;
    --inty-tz-shadow: 36px;
    --inty-tz-tilt: 7deg;
    
    position: relative;
    isolation: isolate;
    width: 100%;
    overflow: hidden;
    padding: clamp(56px, 7vw, 110px) 20px;
    color: var(--inty-tz-text);
    background:
        radial-gradient(circle at 18% 12%, rgba(124,92,255,.22), transparent 34%),
        radial-gradient(circle at 82% 34%, rgba(32,227,178,.14), transparent 30%),
        radial-gradient(circle at 50% 100%, rgba(255,139,209,.12), transparent 36%),
        var(--inty-tz-bg);
}

.inty-tz::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: radial-gradient(circle at center, #000 0%, transparent 72%);
}

.inty-tz-shell {
    position: relative;
    width: min(1180px, 100%);
    margin: 0 auto;
    padding: 12px 0;
}

.inty-tz-path {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 5px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    overflow: visible;
}

.inty-tz-path::before,
.inty-tz-path::after {
    content: "";
    position: absolute;
    left: 50%;
    width: clamp(70px, var(--inty-tz-zigzag), 210px);
    height: 18%;
    border: 2px solid rgba(255,255,255,.08);
    filter: blur(.1px);
    transform: translateX(-50%);
    border-radius: var(--inty-tz-curve);
    pointer-events: none;
}

.inty-tz-path::before {
    top: 12%;
    border-right-color: transparent;
    border-bottom-color: transparent;
}

.inty-tz-path::after {
    bottom: 12%;
    border-left-color: transparent;
    border-top-color: transparent;
}

.inty-tz-path span {
    display: block;
    width: 100%;
    height: 100%;
    transform-origin: top;
    transform: scaleY(var(--inty-progress, 0));
    border-radius: inherit;
    background: var(--inty-tz-gradient);
    box-shadow: 0 0 var(--inty-tz-glow) color-mix(in srgb, var(--inty-tz-line), transparent 18%);
}

.inty-tz-progress {
    position: fixed;
    top: 50%;
    right: 22px;
    z-index: 20;
    width: 4px;
    height: 130px;
    transform: translateY(-50%);
    border-radius: 999px;
    background: rgba(255,255,255,.12);
    overflow: hidden;
}

.inty-tz-progress span {
    display: block;
    width: 100%;
    height: calc(var(--inty-progress, 0) * 100%);
    border-radius: inherit;
    background: var(--inty-tz-gradient);
}

.inty-tz-item {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 64px minmax(0, 1fr);
    align-items: center;
    gap: 30px;
    min-height: 180px;
    margin-bottom: var(--inty-tz-gap);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.inty-tz.is-reveal .inty-tz-item {
    opacity: 0;
    transform: translateY(40px);
}

.inty-tz.is-reveal .inty-tz-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Alternating logic */
.inty-tz-item:nth-child(even) .inty-tz-spacer {
    grid-column: 3;
    grid-row: 1;
}
.inty-tz-item:nth-child(even) .inty-tz-card {
    grid-column: 1;
    grid-row: 1;
}
.inty-tz-item:nth-child(odd) .inty-tz-spacer {
    grid-column: 1;
    grid-row: 1;
}
.inty-tz-item:nth-child(odd) .inty-tz-card {
    grid-column: 3;
    grid-row: 1;
}

/* Node Styling */
.inty-tz-node {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--inty-tz-card);
    border: 3px solid var(--inty-tz-node);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    transition: all 0.4s ease;
    box-shadow: 0 0 0px var(--item-accent);
}

.inty-tz-node-core {
    width: 8px;
    height: 8px;
    background: var(--item-accent);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.4s ease;
}

.inty-tz-item.is-active .inty-tz-node {
    border-color: var(--item-accent);
    background: var(--inty-tz-bg);
}

.inty-tz.is-glow .inty-tz-item.is-active .inty-tz-node {
    box-shadow: 0 0 var(--item-glow) var(--item-accent);
}

.inty-tz-item.is-active .inty-tz-node-core {
    opacity: 1;
    transform: scale(1);
}

/* Card Styling */
.inty-tz-card {
    background: var(--inty-tz-card);
    border-radius: var(--inty-tz-radius);
    padding: var(--inty-tz-padding);
    backdrop-filter: blur(var(--inty-tz-blur));
    -webkit-backdrop-filter: blur(var(--inty-tz-blur));
    box-shadow: 0 10px var(--inty-tz-shadow) rgba(0,0,0,0.3);
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(0) rotateY(0);
    transition: transform 0.1s ease-out; /* smooth 3d tracking */
    will-change: transform;
}

.inty-tz:not(.is-3d) .inty-tz-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.inty-tz:not(.is-3d) .inty-tz-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px var(--inty-tz-shadow) rgba(0,0,0,0.5);
}

/* Shine Effect */
.inty-tz.is-gloss .inty-tz-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, 
        transparent 20%, 
        rgba(255,255,255,var(--inty-tz-gloss)) 50%, 
        transparent 80%);
    background-size: 200% 200%;
    background-position: -150% 0;
    z-index: 10;
    pointer-events: none;
    transition: background-position 0.6s ease;
}

.inty-tz.is-gloss .inty-tz-card:hover .inty-tz-shine {
    background-position: 150% 0;
}

.inty-tz-card-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.inty-tz-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--item-accent);
    font-size: var(--inty-tz-icon-size);
}
.inty-tz-icon svg {
    width: var(--inty-tz-icon-size);
    height: var(--inty-tz-icon-size);
    fill: currentColor;
}

.inty-tz-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    color: var(--item-accent);
}

.inty-tz-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--inty-tz-muted);
    font-variant-numeric: tabular-nums;
}

.inty-tz-card-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--inty-tz-text);
}

.inty-tz-card-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--inty-tz-muted);
    margin: 0 0 24px;
}

.inty-tz-image-wrap {
    margin: 0 -var(--inty-tz-padding) 24px;
    height: var(--inty-tz-image-height);
    overflow: hidden;
    position: relative;
}
.inty-tz-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.inty-tz-card:hover .inty-tz-image-wrap img {
    transform: scale(1.05);
}

.inty-tz-insight {
    padding: 16px;
    border-left: 3px solid var(--item-accent);
    background: rgba(255,255,255,0.03);
    font-size: 14px;
    font-style: italic;
    color: var(--inty-tz-text);
    margin-bottom: 24px;
    border-radius: 0 8px 8px 0;
}

.inty-tz-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--inty-tz-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}
.inty-tz-cta:hover {
    color: var(--item-accent);
}
.inty-tz-cta span {
    transition: transform 0.3s ease;
}
.inty-tz-cta:hover span {
    transform: translateX(4px);
}

/* Responsive Tablet */
@media (max-width: 1024px) {
    .inty-tz-item {
        gap: 20px;
    }
    .inty-tz-path::before,
    .inty-tz-path::after {
        width: 40px;
    }
}

/* Responsive Mobile */
@media (max-width: 767px) {
    .inty-tz-item {
        grid-template-columns: 32px 1fr;
        gap: 16px;
    }
    .inty-tz-spacer {
        display: none;
    }
    .inty-tz-path {
        left: 16px;
        transform: none;
    }
    .inty-tz-path::before,
    .inty-tz-path::after {
        display: none;
    }
    .inty-tz-item:nth-child(n) .inty-tz-card {
        grid-column: 2;
    }
    .inty-tz-node {
        grid-column: 1;
    }
}