:root {
    --brand-primary: #0173C7;
    --brand-primary-dark: #015a9e;
    --brand-primary-light: #e8f4fc;
    --surface: #ffffff;
    --bg: #f5f7fa;
    --text: #1a1a2e;
    --text-muted: #5a6270;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --nav-height: 64px;
    --container-max: 1140px;
}

/* Layout shell */
.main-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}

.site-main {
    flex: 1;
    padding: 1.5rem 0 2.5rem;
}

.site-footer {
    background: var(--text);
    color: rgba(255, 255, 255, 0.85);
    padding: 1.25rem 1rem;
    text-align: center;
    font-size: 0.95rem;
}

.site-footer a {
    color: #fff;
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

.site-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
}

.page-container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.site-navbar {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-navbar__brand img {
    height: 44px;
    width: auto;
    display: block;
}

.site-navbar__toggle {
    display: none;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 6px;
    padding: 0.35rem 0.6rem;
    cursor: pointer;
}

.site-navbar__toggle-icon {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    position: relative;
}

.site-navbar__toggle-icon::before,
.site-navbar__toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 22px;
    height: 2px;
    background: #fff;
}

.site-navbar__toggle-icon::before {
    top: -7px;
}

.site-navbar__toggle-icon::after {
    top: 7px;
}

.site-navbar__collapse {
    display: flex;
    align-items: center;
}

.site-navbar__nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-navbar__nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.site-navbar__nav .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.site-navbar__nav .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 0px 0 rgba(255, 255, 255, 0.6);
}

@media (min-width: 992px) {
    .site-navbar__collapse.collapse {
        display: flex !important;
        visibility: visible;
        height: auto !important;
    }
}

@media (max-width: 991.98px) {
    .site-navbar__toggle {
        display: block;
    }

    .site-navbar__collapse {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--brand-primary-dark);
        padding: 0.75rem 1rem 1rem;
        box-shadow: var(--shadow);
    }

    .site-navbar__collapse.show {
        display: block;
    }

    .site-navbar {
        position: relative;
        flex-wrap: wrap;
    }

    .site-navbar__nav {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

    .site-navbar__nav .nav-link {
        display: block;
        text-align: center;
        padding: 0.75rem 1rem;
    }
}

/* Page hero & content cards */
.page-hero {
    margin-bottom: 1.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.page-hero img,
.contactus {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.content-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
}

.content-card h2,
.content-card h3,
.content-card h4 {
    color: var(--brand-primary);
    margin-bottom: 0.75rem;
}

.content-card p {
    color: var(--text);
    line-height: 1.85;
    margin-bottom: 0.75rem;
    text-align: justify;
}

.content-card ul {
    padding-right: 1.25rem;
    line-height: 1.85;
}

.content-card ul li {
    margin-bottom: 0.5rem;
}

.page-title {
    text-align: center;
    color: var(--brand-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.image-frame {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 1.5rem 0;
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    position: relative;
    padding: 0.65rem 1.5rem 0.65rem 0;
    border-bottom: 1px solid #eef1f5;
}

.feature-list li::before {
    content: "";
    position: absolute;
    right: 0;
    top: 1rem;
    width: 8px;
    height: 8px;
    background: var(--brand-primary);
    border-radius: 50%;
}

.feature-list li:last-child {
    border-bottom: none;
}

/* Buttons */
.btn-brand {
    display: inline-block;
    background: var(--brand-primary);
    color: #fff !important;
    text-decoration: none;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.15s;
    border: none;
}

.btn-brand:hover {
    background: var(--brand-primary-dark);
    transform: translateY(-1px);
    color: #fff !important;
}

/* Home carousel */
.my-carousel {
    position: relative;
    width: 100%;
    margin-bottom: 0.5rem;
}

.my-carousel-inner {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 6;
    min-height: 220px;
    max-height: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.my-carousel-inner .item {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
    pointer-events: none;
}

.my-carousel-inner .item.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 1;
}

.my-carousel-inner .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    padding: 2rem 1.5rem 1.25rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.carousel-caption h3 {
    color: #fff;
    font-size: 1.1rem;
    margin: 0;
    text-align: center;
}

.my-carousel-indicators {
    padding: 1rem 0 0;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.my-carousel-indicators .indic {
    height: 10px;
    width: 10px;
    border: 2px solid var(--brand-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.my-carousel-indicators .indic.active {
    background: var(--brand-primary);
    transform: scale(1.15);
}

/* Feature grid (home) */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.feature-card__header {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #3f9fcf 100%);
    color: #fff;
    padding: 1rem 1.25rem;
    min-height: 88px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.feature-card__header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.feature-card__body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feature-card__body p {
    color: var(--text-muted);
    line-height: 1.75;
    flex: 1;
    margin-bottom: 1rem;
    text-align: justify;
}

@media (max-width: 991.98px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575.98px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .my-carousel-inner {
        min-height: 200px;
    }
}

/* Logo grid (Convert page) */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.logo-grid img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius);
    background: var(--surface);
    padding: 0.5rem;
    box-shadow: var(--shadow-sm);
}

@media (max-width: 767.98px) {
    .logo-grid {
        grid-template-columns: 1fr;
    }
}

/* Service cards */
.service-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.service-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem 1.5rem;
    border-right: 4px solid var(--brand-primary);
    line-height: 1.85;
    text-align: justify;
}

/* Contact page */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.contact-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

.contact-card__label {
    color: var(--brand-primary);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: block;
}

.contact-card__value {
    color: var(--text);
    line-height: 1.7;
}

.contact-card a {
    color: var(--brand-primary);
}

.map-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-top: 1.5rem;
    height: 450px;
}

.map-container #map_canvas {
    width: 100%;
    height: 100%;
}

.infoDiv {
    padding: 0.5rem;
    background-color: white;
}

@media (max-width: 575.98px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .map-container {
        height: 320px;
    }
}

/* Video */
.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #000;
}

.video-wrapper video,
video.Demo {
    width: 100%;
    height: auto;
    display: block;
    max-height: 70vh;
}

.download-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    color: var(--brand-primary);
    font-weight: 600;
    transition: box-shadow 0.2s;
}

.download-link:hover {
    box-shadow: var(--shadow);
    color: var(--brand-primary-dark);
}

.download-link img {
    height: 32px;
    width: auto;
}

.text-center-block {
    text-align: center;
    margin: 1rem 0;
}

.section-divider {
    border: none;
    border-top: 1px solid #e2e8f0;
    margin: 2rem 0;
}