:root {
    --p: #01386e;
    /* primary brand */
    --s: #0092f9;
    /* secondary brand */
    --muted: #6b7280;
}

body {
    background: linear-gradient(180deg, #fbfdff 0%, #f3f7fb 100%);
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial
}

.hero {
    padding: 3rem 1rem 2rem
}

.badge-key {
    background: linear-gradient(90deg, var(--p), var(--s));
    color: #fff;
    font-weight: 600
}

/* Stepper */
.stepper {
    background: #fff;
    border-radius: 18px;
    padding: 1.25rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05)
}

.steps {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap
}

.step {
    flex: 1;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    padding: 0.75rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all .28s cubic-bezier(.2, .9, .3, 1);
    background: #f8fbff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    background: var(--p);
    flex-shrink: 0
}

.step:not(.active):hover {
    transform: translateY(-6px);
    box-shadow: 0 6px 18px rgba(14, 20, 42, 0.06)
}

.step .icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid #e6eef0;
    color: var(--p)
}

.step .content {
    flex: 1
}

.step .title {
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--p)
}

.step .subtitle {
    font-size: 0.85rem;
    color: var(--muted)
}

.step.active {
    background: linear-gradient(45deg, rgba(1, 56, 110, 0.08), rgba(0, 146, 249, 0.06));
    box-shadow: 0 12px 30px rgba(14, 20, 42, 0.08)
}

.step.active .icon {
    background: linear-gradient(135deg, var(--p), var(--s));
    color: #fff;
    box-shadow: 0 6px 18px rgba(14, 20, 42, 0.12)
}

.step.active .step-number {
    background: var(--s)
}

/* connector line */
.connector {
    position: absolute;
    left: 0;
    right: 0;
    top: 0%;
    transform: translateY(-50%);
    height: 6px;
    z-index: 0
}

.connector .track {
    height: 6px;
    background: #e6eef0;
    border-radius: 6px
}

.connector .progress {
    position: absolute;
    left: 0;
    top: 0;
    height: 6px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--p), var(--s));
    width: 0%;
    transition: width .5s ease
}

.steps .progress {
    position: absolute;
    top: 18px;
    /* adjust to your step icon alignment */
    left: 0;
    height: 4px;
    background: var(--s);
    /* your secondary brand color for filled */
    width: 20%;
    /* fill up to step 1 initially */
    transition: width 0.3s ease-in-out;
}

@media (max-width: 768px) {
    .steps {
        flex-direction: column
    }

    .connector {
        display: none
    }

    .step {
        align-items: center;
        width: 100%
    }
}

.detail-card {
    margin-top: 1.25rem;
    border-radius: 14px;
    padding: 1.25rem;
    box-shadow: 0 8px 30px rgba(14, 20, 42, 0.04);
    background: linear-gradient(180deg, #fff, #fbfdff)
}

.muted-note {
    font-size: .88rem;
    color: var(--muted)
}

.cta-form {
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 14px;
    background: linear-gradient(180deg, #f8fbff, #fff);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05)
}

.cta-form h4 {
    color: var(--p);
    font-weight: 700
}



.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.component-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.component-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.icon-box {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--p), var(--s));
    color: #fff;
    font-size: 28px;
}

.component-card h5 {
    font-weight: 600;
    color: var(--p);
    margin-bottom: 15px;
    font-size: 18px;
}

.component-card p {
    font-size: 15px;
    color: #000;
}

.faq-section .accordion-button {
    font-weight: 500;
    background-color: #fff;
    color: #01386e;
    /* brand primary color */
}

.faq-section .accordion-button:focus {
    box-shadow: none;
}

.faq-section .accordion-button:not(.collapsed) {
    background-color: #0092f9;
    /* brand secondary color */
    color: #fff;
}

.faq-section .accordion-body {
    background-color: #f8f9fa;
}


.accordion-item {
    margin: 30px 0px;
    box-shadow: 0 0 30px 0 rgb(0 0 0 / .12);
}


.lightbox {
    display: none;
    /* hidden by default */
    position: fixed;
    z-index: 9999;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 80%;
    max-height: 80%;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.lightbox-close:hover {
    color: #bbb;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.component-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.component-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.icon-box {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--p), var(--s));
    color: #fff;
    font-size: 28px;
}

.component-card h5 {
    font-weight: 600;
    color: var(--p);
    margin-bottom: 15px;
}

.component-card p {
    font-size: 15px;
    color: #555;
}

.quality-section {
    background: linear-gradient(135deg, var(--p), var(--s));
    padding: 60px 0;
}

.quality-section h2 {
    color: #fff !important;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: #fff;
}

.quality-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.quality-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.quality-icon {
    font-size: 40px;
    background: linear-gradient(135deg, var(--p), var(--s));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
}

.quality-card h5 {
    font-weight: 600;
    color: var(--p);
    margin-bottom: 10px;
    font-size: 18px;
}

.quality-card p {
    font-size: 14px;
    color: #555;
    margin: 0;
    line-height: 1.6;
}

.install-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    color: var(--p);
    font-weight: 700;
}

.timeline1 {
    display: flex;
    justify-content: space-between;
    position: relative;
    flex-wrap: wrap;
}

.timeline1::before {
    content: '';
    position: absolute;
    top: 40%;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--p), var(--s));
    transform: translateY(-50%);
    z-index: 1;
}

.step1 {
    position: relative;
    text-align: center;
    width: 30%;
    z-index: 2;
    padding: 0 15px;
}

.step1 .step-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--p), var(--s));
    color: #fff;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: relative;
}

.step1 .step-number {
    position: absolute;
    bottom: -10px;
    right: -10px;
    background: #fff;
    color: var(--p);
    border: 2px solid var(--s);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step1 h5 {
    font-weight: 600;
    color: var(--p);
    margin-bottom: 10px;
    font-size: 18px;
    margin-top: 35px;
}

.step1 p {
    font-size: 15px;
    color: #555;
    line-height: 1.6;
}

.doc-section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    color: var(--p);
    font-weight: 700;
}

.doc-card {
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    transition: 0.3s ease-in-out;
    min-height: 165px;
}

.doc-card:hover {
    border-color: var(--s);
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.08);
}

.doc-card h5 {
    font-weight: 600;

    font-size: 20px;
}

.doc-card p {
    margin: 0;
    color: #555;
    font-size: 15px;
    line-height: 1.6;
    padding: 10px;
}

.card-header {
    background: linear-gradient(135deg, var(--p), var(--s));
    color: #fff;
    cursor: pointer;
}

/* Responsive (Vertical Timeline) */
@media (max-width: 767px) {
    .timeline1 {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline1::before {
        top: 0;
        left: 35px;
        width: 4px;
        height: 100%;
        transform: none;
    }

    .step1 {
        width: 100%;
        text-align: left;
        padding-left: 90px;
        margin-bottom: 60px;
    }

    .step1 .step-icon {
        position: absolute;
        left: 0;
        top: 0;
        margin: 0;
    }
}