/* menu */

#tracktrace {
    min-height: 100vh;
}

.featurePanel {
    backdrop-filter: blur(6px);
    background: linear-gradient(135deg,
            rgba(255, 255, 255, 0.85),
            rgba(255, 255, 255, 0.65));
    /* height: 400px; */
    /* min-height: 380px; */
    min-height: 500px;
}

.resp-margin1 {
    margin-bottom: 35px !important;
}

.resp-margin2 {
    margin-bottom: 30px !important;
}

.resp-padding1 {
    padding-top: 130px;
    padding-bottom: 130px;
}

/* active left menu */
.featureTab.active {
    background: rgba(59, 130, 246, .08);
}

/* smooth highlight */
.featureTab {
    transition: all .35s ease;
}

.featureTab {
    display: flex;
    gap: 18px;
    padding: 18px 18px 18px 24px;
    border-radius: 16px;
    width: 100%;
    text-align: left;
    transition: all .35s ease;
    position: relative;
}

.featureTab:hover {
    transform: translateX(6px);
}

.featureTab .num {
    font-size: 28px;
    font-weight: 700;
    color: #cbd5f5;
    transition: .3s;
}

.featureTab.active .num {
    color: #2563eb;
}

.featureTab h3 {
    font-weight: 600;
    font-size: 18px;
}

.featureTab p {
    color: #6b7280;
    font-size: 14px;
}

/* animated list checkmark */
.featureItem {
    position: relative;
    padding-left: 34px;
}

.featureItem::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 15px;
    height: 15px;
    border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6, #14b8a6);
    box-shadow: 0 0 12px rgba(59, 130, 246, .35);
}

#cut-diamond {
    border-style: solid;
    border-color: transparent transparent red transparent;
    border-width: 0 25px 25px 25px;
    height: 0;
    width: 50px;
    box-sizing: content-box;
    position: relative;
    margin: 20px 0 50px 0;
}

#cut-diamond:after {
    content: "";
    position: absolute;
    top: 25px;
    left: -25px;
    width: 0;
    height: 0;
    border-style: solid;
    border-color: red transparent transparent transparent;
    border-width: 70px 50px 0 50px;
}

.mobile-card {
    background: white;
    padding: 28px;
    border-radius: 22px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.08);
    transition: transform .3s ease, box-shadow .3s ease;
}

.mobile-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.12);
}

.mobile-card .num {
    display: inline-block;
    font-size: 26px;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 10px;
}

.mobile-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.mobile-card p {
    color: #6b7280;
    margin-bottom: 18px;
    line-height: 1.6;
}

/* LIST STYLING */

.mobile-card ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.mobile-card li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    color: #374151;
    font-size: 15px;
}

/* custom bullet */

.mobile-card li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 7px;
    width: 10px;
    height: 10px;
    border-radius: 50%;

    background: linear-gradient(135deg, #3b82f6, #14b8a6);

    box-shadow: 0 0 8px rgba(59, 130, 246, 0.4);
}

@media (max-width:1024px) {

    #tracktrace {
        padding-top: 80px;
        padding-bottom: 80px;
    }

    #tracktrace h2 {
        font-size: 32px;
    }

}

@media (max-height: 820px) {

    .featurePanel {
        backdrop-filter: blur(6px);
        background: linear-gradient(135deg,
                rgba(255, 255, 255, 0.85),
                rgba(255, 255, 255, 0.65));
        /* height: 400px; */
        min-height: 380px;
        max-height: 480px;
    }

    #tracktrace {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    #tracktrace h2 {
        font-size: 32px;
    }

    #tracktrace .text-2xl {
        font-size: 18px !important;
    }

    .featurePanel {
        padding: 28px !important;
        min-height: 340px;
    }

    .featureTab {
        padding: 14px 16px;
    }

    .featureTab h3 {
        font-size: 16px;
    }

    .featureTab p {
        font-size: 13px;
    }

    .resp-margin1 {
        margin-bottom: 20px !important;
    }

    .resp-margin2 {
        margin-bottom: 18px !important;
    }

    .resp-padding1 {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .featureItem {
        margin-bottom: 14px;
    }
}

/* Very short screens */
@media (max-height: 700px) {

    .featurePanel {
        backdrop-filter: blur(6px);
        background: linear-gradient(135deg,
                rgba(255, 255, 255, 0.85),
                rgba(255, 255, 255, 0.65));
        /* height: 400px; */
        min-height: 380px;
        max-height: 480px;
    }

    #tracktrace h2 {
        font-size: 26px;
    }

    .featurePanel {
        padding: 30px !important;
        min-height: 300px;
    }

    .featurePanel h3 {
        font-size: 22px;
    }

    .featurePanel p {
        font-size: 14px;
    }

    #panelList {
        font-size: 15px;
    }
}