:root {
    --vnr-blue: #003b79;
    --vnr-blue-dark: #001f45;
    --vnr-blue-deep: #00142f;
    --vnr-cyan: #00a8ff;
    --vnr-orange: #f7941d;
    --vnr-light: #f5f8fc;
    --vnr-text: #1f2937;
    --vnr-muted: #6b7280;
    --vnr-border: #e5e7eb;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--vnr-text);
    background: #fff;
}

a {
    text-decoration: none;
}

/* Header */

.site-header {
    z-index: 1030;
}

.navbar {
    min-height: 78px;
}

.navbar-brand {
    color: var(--vnr-blue-dark);
}

    .navbar-brand:hover {
        color: var(--vnr-blue);
    }

.brand-mark {
    width: 72px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--vnr-blue), var(--vnr-cyan));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    letter-spacing: -0.5px;
    box-shadow: 0 8px 20px rgba(0, 59, 121, 0.25);
}

    .brand-mark small {
        color: var(--vnr-orange);
        margin-left: 2px;
        font-size: 0.75rem;
    }

    .brand-mark.light {
        background: rgba(255, 255, 255, 0.12);
        box-shadow: none;
        border: 1px solid rgba(255, 255, 255, 0.18);
    }

.brand-text {
    line-height: 1.1;
}

    .brand-text strong {
        display: block;
        font-size: 0.86rem;
        color: var(--vnr-blue-dark);
    }

    .brand-text span {
        display: block;
        font-size: 0.78rem;
        font-weight: 700;
        color: var(--vnr-blue);
    }

.navbar-nav .nav-link {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #1f2937;
    padding: 0.75rem 0.85rem;
    position: relative;
}

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        color: var(--vnr-blue);
    }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0.85rem;
            right: 0.85rem;
            bottom: 0.35rem;
            height: 3px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--vnr-blue), var(--vnr-cyan));
        }

.dropdown-menu {
    border: 0;
    border-radius: 16px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.16);
    padding: 0.65rem;
}

.dropdown-item {
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.65rem 0.85rem;
}

    .dropdown-item:hover {
        background: var(--vnr-light);
        color: var(--vnr-blue);
    }

/* Common sections */

.section-padding {
    padding: 80px 0;
}

.section-title {
    margin-bottom: 2.5rem;
    text-align: center;
}

    .section-title .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        font-weight: 800;
        text-transform: uppercase;
        color: var(--vnr-blue);
        background: rgba(0, 168, 255, 0.1);
        border: 1px solid rgba(0, 168, 255, 0.18);
        border-radius: 999px;
        padding: 0.45rem 0.9rem;
        margin-bottom: 1rem;
    }

    .section-title h2 {
        color: var(--vnr-blue-dark);
        font-weight: 800;
        letter-spacing: -0.03em;
    }

    .section-title p {
        color: var(--vnr-muted);
        max-width: 760px;
        margin: 0.75rem auto 0;
    }

/* Buttons */

.btn-primary {
    background: linear-gradient(135deg, var(--vnr-blue), #0067c5);
    border: 0;
    box-shadow: 0 10px 24px rgba(0, 59, 121, 0.22);
}

    .btn-primary:hover {
        filter: brightness(1.05);
    }

.btn-outline-primary {
    border-color: var(--vnr-blue);
    color: var(--vnr-blue);
}

    .btn-outline-primary:hover {
        background: var(--vnr-blue);
        border-color: var(--vnr-blue);
    }

/* Cards */

.vnr-card {
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 22px;
    padding: 1.5rem;
    height: 100%;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.06);
    transition: all 0.2s ease;
}

    .vnr-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    }

.icon-box {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(0, 168, 255, 0.1);
    color: var(--vnr-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    margin-bottom: 1rem;
}

/* Footer */

.site-footer {
    background: radial-gradient(circle at top left, rgba(0, 168, 255, 0.18), transparent 32%), linear-gradient(135deg, var(--vnr-blue-deep), var(--vnr-blue-dark));
    color: rgba(255, 255, 255, 0.82);
    padding: 64px 0 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-footer h5,
.site-footer h6 {
    color: #fff;
    font-weight: 800;
}

.site-footer p {
    color: rgba(255, 255, 255, 0.72);
}

.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.site-footer li {
    margin-bottom: 0.55rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.72);
}

    .site-footer a:hover {
        color: #fff;
    }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    margin-top: 36px;
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.58);
}

/* Responsive */

@media (max-width: 991.98px) {
    .navbar {
        min-height: 68px;
    }

    .navbar-nav .nav-link.active::after {
        display: none;
    }

    .navbar-nav .nav-link {
        padding-left: 0;
        padding-right: 0;
    }

    .dropdown-menu {
        box-shadow: none;
        border: 1px solid var(--vnr-border);
        border-radius: 12px;
    }

    .section-padding {
        padding: 56px 0;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (max-width: 575.98px) {
    .brand-mark {
        width: 62px;
        height: 38px;
        border-radius: 10px;
    }

    .brand-text strong {
        font-size: 0.78rem;
    }

    .brand-text span {
        font-size: 0.7rem;
    }
}

/* Home page */

.bg-light-soft {
    background: radial-gradient(circle at top right, rgba(0, 168, 255, 0.08), transparent 30%), #f5f8fc;
}

.home-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0, 20, 47, 0.96), rgba(0, 59, 121, 0.92)), radial-gradient(circle at 80% 20%, rgba(0, 168, 255, 0.35), transparent 32%);
    color: #fff;
    padding: 92px 0 0;
}

    .home-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,0.04) 1px, transparent 1px);
        background-size: 42px 42px;
        mask-image: linear-gradient(to bottom, black, transparent 80%);
        opacity: 0.35;
    }

.hero-bg-glow {
    position: absolute;
    right: -180px;
    top: -180px;
    width: 520px;
    height: 520px;
    background: rgba(0, 168, 255, 0.3);
    filter: blur(80px);
    border-radius: 50%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9);
    border-radius: 999px;
    padding: 0.55rem 0.95rem;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.home-hero h1 {
    max-width: 780px;
    font-size: clamp(2.8rem, 6vw, 5.7rem);
    line-height: 0.98;
    letter-spacing: -0.065em;
    font-weight: 900;
    margin-bottom: 1.35rem;
    text-transform: uppercase;
}

.hero-subtitle {
    max-width: 700px;
    font-size: 1.15rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.78);
    margin-bottom: 2rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-train-card {
    position: relative;
    width: min(100%, 430px);
    min-height: 380px;
    border-radius: 34px;
    padding: 1.4rem;
    border: 1px solid rgba(255,255,255,0.16);
    background: linear-gradient(145deg, rgba(255,255,255,0.16), rgba(255,255,255,0.05));
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(16px);
    overflow: hidden;
}

    .hero-train-card::before {
        content: "";
        position: absolute;
        inset: auto -60px -80px auto;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(247, 148, 29, 0.23);
        filter: blur(35px);
    }

.visual-top {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
    z-index: 2;
}

    .visual-top strong {
        color: #72e3ff;
    }

.rail-line {
    position: relative;
    margin: 72px 0 42px;
    height: 92px;
    border-left: 3px solid rgba(255,255,255,0.22);
    border-bottom: 3px solid rgba(255,255,255,0.22);
    border-radius: 0 0 0 24px;
}

    .rail-line span {
        position: absolute;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: #72e3ff;
        box-shadow: 0 0 24px rgba(114, 227, 255, 0.95);
    }

        .rail-line span:nth-child(1) {
            left: 20%;
            top: 20px;
        }

        .rail-line span:nth-child(2) {
            left: 42%;
            top: 56px;
        }

        .rail-line span:nth-child(3) {
            left: 66%;
            top: 18px;
        }

        .rail-line span:nth-child(4) {
            right: 6%;
            bottom: -8px;
            background: var(--vnr-orange);
        }

.dashboard-mini {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

    .dashboard-mini div {
        border-radius: 18px;
        padding: 1rem 0.8rem;
        background: rgba(0, 20, 47, 0.52);
        border: 1px solid rgba(255,255,255,0.1);
    }

    .dashboard-mini strong {
        display: block;
        font-size: 1.25rem;
    }

    .dashboard-mini span {
        color: rgba(255,255,255,0.62);
        font-size: 0.78rem;
    }

.train-shape {
    position: absolute;
    right: 24px;
    bottom: 112px;
    width: 104px;
    height: 104px;
    border-radius: 28px;
    background: linear-gradient(135deg, #fff, #bdefff);
    color: var(--vnr-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.4rem;
    box-shadow: 0 20px 45px rgba(0,0,0,0.25);
    transform: rotate(-8deg);
}

.hero-stats {
    position: relative;
    margin-top: 76px;
    transform: translateY(50%);
    z-index: 5;
}

.stat-card {
    height: 100%;
    min-height: 138px;
    background: #fff;
    color: var(--vnr-text);
    border-radius: 22px;
    padding: 1.2rem 1rem;
    text-align: center;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.14);
    border: 1px solid rgba(229, 231, 235, 0.9);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    margin: 0 auto 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vnr-blue);
    background: rgba(0, 168, 255, 0.1);
    font-size: 1.35rem;
}

.stat-card strong {
    display: block;
    color: var(--vnr-blue);
    font-weight: 900;
    font-size: 1.45rem;
    line-height: 1.1;
}

.stat-card span {
    display: block;
    color: var(--vnr-muted);
    font-size: 0.88rem;
    font-weight: 700;
    margin-top: 0.35rem;
}

.home-hero + .section-padding {
    padding-top: 150px;
}

.capability-card h5 {
    color: var(--vnr-blue-dark);
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.capability-card p {
    color: var(--vnr-muted);
    line-height: 1.65;
    margin-bottom: 0;
}

.partner-strip {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1rem;
}

.partner-item {
    min-height: 92px;
    border: 1px solid var(--vnr-border);
    border-radius: 20px;
    background: #fff;
    color: var(--vnr-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.15rem;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.055);
}

.home-cta {
    padding: 0 0 80px;
}

.cta-box {
    border-radius: 32px;
    padding: 3rem;
    color: #fff;
    background: radial-gradient(circle at 85% 20%, rgba(0, 168, 255, 0.32), transparent 28%), linear-gradient(135deg, var(--vnr-blue-dark), var(--vnr-blue));
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 24px 70px rgba(0, 31, 69, 0.26);
}

    .cta-box h2 {
        font-weight: 900;
        letter-spacing: -0.04em;
        max-width: 820px;
    }

    .cta-box p {
        max-width: 760px;
        color: rgba(255,255,255,0.75);
        margin-bottom: 0;
    }

.eyebrow.dark {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-color: rgba(255,255,255,0.16);
}

@media (max-width: 1199.98px) {
    .partner-strip {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 991.98px) {
    .home-hero {
        padding-top: 64px;
    }

    .hero-stats {
        transform: none;
        margin-top: 48px;
        padding-bottom: 48px;
    }

    .home-hero + .section-padding {
        padding-top: 64px;
    }

    .cta-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
    }
}

@media (max-width: 767.98px) {
    .partner-strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-train-card {
        min-height: 330px;
    }
}

@media (max-width: 575.98px) {
    .home-hero h1 {
        font-size: 2.65rem;
    }

    .partner-strip {
        grid-template-columns: 1fr;
    }

    .stat-card {
        min-height: 126px;
    }
}

/* Listing and detail pages */

.page-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 92px 0;
    background: radial-gradient(circle at 85% 20%, rgba(0, 168, 255, 0.28), transparent 28%), linear-gradient(135deg, var(--vnr-blue-deep), var(--vnr-blue));
}

    .page-hero::before,
    .detail-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,0.04) 1px, transparent 1px);
        background-size: 42px 42px;
        opacity: 0.28;
    }

.page-hero-content {
    position: relative;
    max-width: 880px;
    z-index: 2;
}

.page-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4.8rem);
    line-height: 1;
    letter-spacing: -0.055em;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
}

.page-hero p {
    max-width: 760px;
    font-size: 1.12rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.78);
    margin-bottom: 0;
}

.system-card-link {
    color: inherit;
    display: block;
    height: 100%;
}

.system-card {
    min-height: 430px;
    display: flex;
    flex-direction: column;
}

    .system-card:hover {
        border-color: rgba(0, 168, 255, 0.35);
    }

.system-category {
    display: inline-flex;
    width: fit-content;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--vnr-blue);
    background: rgba(0, 168, 255, 0.09);
    border-radius: 999px;
    padding: 0.4rem 0.7rem;
    margin-bottom: 1rem;
}

.system-card h3 {
    color: var(--vnr-blue-dark);
    font-weight: 900;
    letter-spacing: -0.035em;
    font-size: 1.55rem;
    margin-bottom: 1rem;
}

.system-card p {
    color: var(--vnr-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.system-card-footer {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--vnr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--vnr-blue);
    font-weight: 800;
}

.detail-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 92px 0 0;
    background: radial-gradient(circle at 80% 10%, rgba(247, 148, 29, 0.2), transparent 30%), linear-gradient(135deg, var(--vnr-blue-deep), var(--vnr-blue));
}

    .detail-hero h1 {
        font-size: clamp(2.4rem, 5vw, 4.9rem);
        line-height: 1;
        letter-spacing: -0.055em;
        font-weight: 900;
        text-transform: uppercase;
        margin-bottom: 1.25rem;
    }

    .detail-hero p {
        max-width: 760px;
        font-size: 1.12rem;
        line-height: 1.75;
        color: rgba(255,255,255,0.78);
    }

.detail-visual-card {
    position: relative;
    z-index: 2;
    min-height: 280px;
    border-radius: 34px;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.16);
    background: linear-gradient(145deg, rgba(255,255,255,0.16), rgba(255,255,255,0.05));
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.28);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.detail-icon {
    width: 104px;
    height: 104px;
    border-radius: 30px;
    background: linear-gradient(135deg, #fff, #bdefff);
    color: var(--vnr-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.2rem;
    box-shadow: 0 20px 45px rgba(0,0,0,0.25);
}

.detail-visual-card span {
    display: block;
    color: rgba(255,255,255,0.65);
    font-weight: 700;
}

.detail-visual-card strong {
    display: block;
    font-size: 1.8rem;
    letter-spacing: -0.04em;
}

.detail-stat-panel {
    position: relative;
    z-index: 4;
    margin-top: 64px;
    transform: translateY(50%);
}

.detail-content-section {
    padding-top: 150px;
}

.sticky-summary {
    position: sticky;
    top: 110px;
}

    .sticky-summary h2,
    .feature-panel h3,
    .architecture-box h3 {
        color: var(--vnr-blue-dark);
        font-weight: 900;
        letter-spacing: -0.04em;
    }

    .sticky-summary p {
        color: var(--vnr-muted);
        line-height: 1.75;
        margin: 1rem 0 1.5rem;
    }

.feature-panel,
.architecture-box {
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 28px;
    padding: 2rem;
    box-shadow: 0 14px 38px rgba(15, 23, 42, 0.07);
}

.feature-list {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.25rem;
}

.feature-row {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem;
    border-radius: 18px;
    background: var(--vnr-light);
    color: var(--vnr-text);
    font-weight: 650;
}

.feature-check {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    flex: 0 0 auto;
    background: rgba(0, 168, 255, 0.14);
    color: var(--vnr-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.architecture-box p {
    color: var(--vnr-muted);
    line-height: 1.7;
}

.architecture-flow {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

    .architecture-flow div {
        border-radius: 16px;
        padding: 0.85rem 1rem;
        background: var(--vnr-light);
        border: 1px solid var(--vnr-border);
        color: var(--vnr-blue);
        font-weight: 800;
    }

    .architecture-flow i {
        color: var(--vnr-orange);
    }

@media (max-width: 991.98px) {
    .detail-stat-panel {
        transform: none;
        margin-top: 40px;
        padding-bottom: 48px;
    }

    .detail-content-section {
        padding-top: 64px;
    }

    .sticky-summary {
        position: static;
    }
}

.solutions-hero {
    background: radial-gradient(circle at 85% 20%, rgba(247, 148, 29, 0.24), transparent 28%), linear-gradient(135deg, #00142f, #003b79);
}

.solution-detail-hero {
    background: radial-gradient(circle at 80% 10%, rgba(0, 168, 255, 0.25), transparent 30%), linear-gradient(135deg, #00142f, #003b79);
}

.solution-visual-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.17), rgba(255,255,255,0.055));
}

.research-hero {
    background: radial-gradient(circle at 85% 20%, rgba(0, 168, 255, 0.24), transparent 28%), radial-gradient(circle at 20% 80%, rgba(247, 148, 29, 0.2), transparent 30%), linear-gradient(135deg, #00142f, #003b79);
}

.research-detail-hero {
    background: radial-gradient(circle at 80% 10%, rgba(247, 148, 29, 0.22), transparent 30%), linear-gradient(135deg, #00142f, #003b79);
}

.research-card {
    min-height: 390px;
}

.research-visual-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.18), rgba(255,255,255,0.055));
}

/* About + Contact */

.about-hero,
.contact-hero {
    background: radial-gradient(circle at 85% 20%, rgba(0, 168, 255, 0.24), transparent 28%), radial-gradient(circle at 20% 80%, rgba(247, 148, 29, 0.18), transparent 30%), linear-gradient(135deg, #00142f, #003b79);
}

.about-stat-card {
    height: 100%;
    min-height: 150px;
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 24px;
    padding: 1.4rem;
    box-shadow: 0 14px 38px rgba(15, 23, 42, 0.07);
}

    .about-stat-card strong {
        display: block;
        color: var(--vnr-blue);
        font-size: 1.8rem;
        font-weight: 900;
        line-height: 1.1;
    }

    .about-stat-card span {
        display: block;
        color: var(--vnr-muted);
        font-weight: 700;
        margin-top: 0.35rem;
    }

.about-value-card h5 {
    color: var(--vnr-blue-dark);
    font-weight: 900;
    margin-bottom: 0.75rem;
}

.about-value-card p {
    color: var(--vnr-muted);
    line-height: 1.65;
    margin-bottom: 0;
}

.direction-list {
    display: grid;
    gap: 1rem;
}

.direction-item {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 20px;
    padding: 1.1rem 1.25rem;
    color: var(--vnr-text);
    font-weight: 700;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.055);
}

    .direction-item i {
        color: var(--vnr-blue);
        font-size: 1.25rem;
        margin-top: 0.05rem;
    }

.contact-info-panel,
.contact-form-card {
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 30px;
    padding: 2rem;
    box-shadow: 0 16px 45px rgba(15, 23, 42, 0.08);
}

    .contact-info-panel h2,
    .contact-form-card h3 {
        color: var(--vnr-blue-dark);
        font-weight: 900;
        letter-spacing: -0.04em;
    }

    .contact-info-panel p,
    .contact-form-card p {
        color: var(--vnr-muted);
        line-height: 1.7;
    }

.contact-info-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 20px;
    background: var(--vnr-light);
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: rgba(0, 168, 255, 0.12);
    color: var(--vnr-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex: 0 0 auto;
}

.contact-info-item strong {
    display: block;
    color: var(--vnr-blue-dark);
    font-weight: 900;
}

.contact-info-item span {
    color: var(--vnr-muted);
    font-weight: 650;
}

.contact-form-card .form-label {
    font-weight: 800;
    color: var(--vnr-blue-dark);
}

.contact-form-card .form-control {
    border-radius: 16px;
    border-color: var(--vnr-border);
}

    .contact-form-card .form-control:focus {
        border-color: var(--vnr-cyan);
        box-shadow: 0 0 0 0.2rem rgba(0, 168, 255, 0.13);
    }

/* 404 page */

.not-found-section {
    min-height: 72vh;
    display: flex;
    align-items: center;
    padding: 80px 0;
    background: radial-gradient(circle at 80% 20%, rgba(0, 168, 255, 0.12), transparent 28%), linear-gradient(180deg, #f5f8fc, #fff);
}

.not-found-box {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
    background: #fff;
    border: 1px solid var(--vnr-border);
    border-radius: 34px;
    padding: 4rem 2rem;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
}

.not-found-code {
    font-size: clamp(5rem, 14vw, 10rem);
    line-height: 0.85;
    font-weight: 950;
    letter-spacing: -0.08em;
    color: var(--vnr-blue);
    margin-bottom: 1.5rem;
}

.not-found-box h1 {
    color: var(--vnr-blue-dark);
    font-weight: 900;
    letter-spacing: -0.04em;
}

.not-found-box p {
    color: var(--vnr-muted);
    max-width: 560px;
    margin: 1rem auto 2rem;
    line-height: 1.75;
}

/* Real logo */

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

.site-logo {
    height: 52px;
    width: auto;
    display: block;
}

.footer-logo {
    width: 220px;
    max-width: 100%;
    height: auto;
    display: block;
    background: #fff;
    border-radius: 12px;
    padding: 6px 10px;
}

@media (max-width: 991.98px) {
    .site-logo {
        height: 44px;
    }
}

@media (max-width: 575.98px) {
    .site-logo {
        height: 38px;
    }

    .footer-logo {
        width: 180px;
    }
}

/* =========================================================
   Visual upgrade: real logo, hero images, detail images
   ========================================================= */

/* Real logo */

.site-logo-wrap {
    display: flex;
    align-items: center;
    padding: 0;
}

.site-logo {
    height: 56px;
    width: auto;
    display: block;
}

.footer-logo {
    width: 230px;
    max-width: 100%;
    height: auto;
    display: block;
    background: #fff;
    border-radius: 14px;
    padding: 7px 12px;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.16);
}

/* Header polish */

.site-header .navbar {
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.94) !important;
    border-bottom: 1px solid rgba(229, 231, 235, 0.75);
}

/* Home hero image */

.home-hero {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-image-card {
    position: relative;
    width: min(100%, 460px);
    border-radius: 34px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.16);
    box-shadow: 0 35px 90px rgba(0, 0, 0, 0.3);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
}

.hero-side-image {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.hero-image-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,20,47,0.02), rgba(0,20,47,0.45)), radial-gradient(circle at 80% 20%, rgba(0,168,255,0.28), transparent 34%);
    pointer-events: none;
}

.hero-image-badge {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 0.65rem 1rem;
    font-weight: 800;
    font-size: 0.88rem;
    color: #fff;
    background: rgba(0, 20, 47, 0.74);
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    box-shadow: 0 14px 32px rgba(0,0,0,0.22);
}

.hero-image-badge-top {
    top: 18px;
    left: 18px;
}

.hero-image-badge-bottom {
    right: 18px;
    bottom: 18px;
}

/* Group hero background images */

.systems-hero-page,
.solutions-hero,
.research-hero,
.about-hero,
.contact-hero {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.systems-hero-page {
    background-image: linear-gradient(135deg, rgba(0,20,47,.88), rgba(0,59,121,.78)), url('/images/hero/systems-hero.jpg');
}

.solutions-hero {
    background-image: linear-gradient(135deg, rgba(0,20,47,.88), rgba(0,59,121,.78)), url('/images/hero/solutions-hero.jpg');
}

.research-hero {
    background-image: linear-gradient(135deg, rgba(0,20,47,.88), rgba(0,59,121,.78)), url('/images/hero/research-hero.jpg');
}

.about-hero {
    background-image: linear-gradient(135deg, rgba(0,20,47,.88), rgba(0,59,121,.78)), url('/images/hero/about-hero.jpg');
}

.contact-hero {
    background-image: linear-gradient(135deg, rgba(0,20,47,.88), rgba(0,59,121,.78)), url('/images/hero/contact-hero.jpg');
}

/* Detail image cards */

.detail-visual-card.has-image {
    padding: 0;
    overflow: hidden;
    position: relative;
    min-height: 320px;
}

.detail-card-image {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block;
    transform: scale(1.01);
}

.detail-visual-overlay {
    position: absolute;
    inset: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(0,20,47,0.08), rgba(0,20,47,0.76)), radial-gradient(circle at 82% 18%, rgba(0,168,255,0.26), transparent 34%);
}

    .detail-visual-overlay span {
        display: block;
        color: rgba(255,255,255,0.72);
        font-weight: 700;
    }

    .detail-visual-overlay strong {
        display: block;
        color: #fff;
        font-size: 1.8rem;
        letter-spacing: -0.04em;
    }

/* Card polish */

.vnr-card {
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.07);
}

    .vnr-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 22px 54px rgba(15, 23, 42, 0.13);
    }

.partner-item {
    position: relative;
    overflow: hidden;
}

    .partner-item::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(0,168,255,0.06), transparent 60%);
        opacity: 0;
        transition: opacity 0.2s ease;
    }

    .partner-item:hover::before {
        opacity: 1;
    }

.site-footer {
    padding-top: 72px;
}

/* Responsive */

@media (max-width: 991.98px) {
    .site-logo {
        height: 46px;
    }

    .hero-side-image {
        height: 320px;
    }

    .detail-card-image {
        height: 300px;
    }
}

@media (max-width: 575.98px) {
    .site-logo {
        height: 40px;
    }

    .footer-logo {
        width: 185px;
    }

    .hero-side-image {
        height: 270px;
    }

    .hero-image-badge {
        font-size: 0.78rem;
        padding: 0.55rem 0.8rem;
    }
}
/* =========================================================
   Compact homepage layout like design mockup
   ========================================================= */

.navbar {
    min-height: 64px;
}

.site-logo {
    height: 42px;
}

.home-hero-compact {
    min-height: 380px;
    padding: 42px 0 0;
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
    overflow: visible;
}

    .home-hero-compact::before {
        opacity: 0.18;
    }

.home-hero-content {
    position: relative;
    z-index: 2;
    max-width: 560px;
    padding-bottom: 96px;
}

.home-hero-compact .hero-badge {
    font-size: 0.78rem;
    padding: 0.42rem 0.75rem;
    margin-bottom: 0.85rem;
}

.home-hero-compact h1 {
    max-width: 560px;
    font-size: clamp(2.1rem, 4.2vw, 4.05rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    margin-bottom: 1rem;
}

.home-hero-compact .hero-subtitle {
    max-width: 470px;
    font-size: 0.98rem;
    line-height: 1.58;
    margin-bottom: 0;
}

.hero-stats-compact {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: -48px;
    z-index: 5;
    margin-top: 0;
    transform: none;
}

.stat-card-compact {
    min-height: 106px;
    border-radius: 12px;
    padding: 0.9rem 0.7rem;
}

    .stat-card-compact .stat-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        margin-bottom: 0.45rem;
        font-size: 1.18rem;
    }

    .stat-card-compact strong {
        font-size: 1.32rem;
    }

    .stat-card-compact span {
        font-size: 0.76rem;
        line-height: 1.25;
        margin-top: 0.25rem;
    }

/* Pull next section closer because KPI overlaps hero */
.home-hero-compact + .section-padding {
    padding-top: 92px;
}

/* Make core capability area more compact */
.capability-card {
    padding: 1.05rem;
    border-radius: 14px;
}

    .capability-card .icon-box {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 1.2rem;
        margin-bottom: 0.7rem;
    }

    .capability-card h5 {
        font-size: 0.98rem;
        margin-bottom: 0.5rem;
    }

    .capability-card p {
        font-size: 0.84rem;
        line-height: 1.45;
    }

.section-title {
    margin-bottom: 1.5rem;
}

    .section-title h2 {
        font-size: clamp(1.45rem, 2.2vw, 2rem);
    }

    .section-title p {
        font-size: 0.95rem;
    }

/* Compact partner strip */
.partner-item {
    min-height: 66px;
    border-radius: 12px;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 991.98px) {
    .home-hero-compact {
        min-height: auto;
        padding: 42px 0 0;
        background-position: center right;
    }

    .home-hero-content {
        padding-bottom: 42px;
    }

    .hero-stats-compact {
        position: relative;
        left: auto;
        right: auto;
        bottom: auto;
        padding-bottom: 32px;
    }

    .home-hero-compact + .section-padding {
        padding-top: 56px;
    }

    .site-logo {
        height: 38px;
    }
}

@media (max-width: 575.98px) {
    .home-hero-compact {
        padding-top: 32px;
        background-position: 62% center;
    }

        .home-hero-compact h1 {
            font-size: 2.15rem;
        }

        .home-hero-compact .hero-subtitle {
            font-size: 0.9rem;
        }

    .stat-card-compact {
        min-height: 100px;
    }
}

/* =========================================================
   Compact layout for listing/detail pages
   ========================================================= */

/* Listing page hero: Systems / Solutions / Research / About / Contact */

.page-hero-compact {
    min-height: 310px;
    padding: 54px 0 64px;
    background-position: center right;
}

    .page-hero-compact .page-hero-content {
        max-width: 660px;
    }

    .page-hero-compact .hero-badge {
        font-size: 0.78rem;
        padding: 0.42rem 0.75rem;
        margin-bottom: 0.9rem;
    }

    .page-hero-compact h1 {
        max-width: 720px;
        font-size: clamp(2rem, 3.8vw, 3.7rem);
        line-height: 0.98;
        letter-spacing: -0.052em;
        margin-bottom: 1rem;
    }

    .page-hero-compact p {
        max-width: 600px;
        font-size: 1rem;
        line-height: 1.6;
    }

    /* Listing cards compact */

    .page-hero-compact + .section-padding {
        padding-top: 54px;
    }

.system-card {
    min-height: 350px;
    border-radius: 18px;
    padding: 1.25rem;
}

    .system-card .icon-box {
        width: 46px;
        height: 46px;
        border-radius: 13px;
        font-size: 1.25rem;
        margin-bottom: 0.85rem;
    }

.system-category {
    font-size: 0.72rem;
    padding: 0.34rem 0.65rem;
    margin-bottom: 0.75rem;
}

.system-card h3 {
    font-size: 1.32rem;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.system-card p {
    font-size: 0.9rem;
    line-height: 1.55;
}

.system-card-footer {
    font-size: 0.9rem;
}

/* Detail hero compact */

.detail-hero-compact {
    min-height: 390px;
    padding: 54px 0 0;
}

    .detail-hero-compact h1 {
        max-width: 760px;
        font-size: clamp(2rem, 3.8vw, 3.85rem);
        line-height: 0.98;
        letter-spacing: -0.052em;
        margin-bottom: 1rem;
    }

    .detail-hero-compact p {
        max-width: 620px;
        font-size: 1rem;
        line-height: 1.6;
    }

    .detail-hero-compact .hero-badge {
        font-size: 0.78rem;
        padding: 0.42rem 0.75rem;
        margin-bottom: 0.9rem;
    }

    .detail-hero-compact .detail-visual-card {
        min-height: 245px;
        border-radius: 24px;
    }

    .detail-hero-compact .detail-card-image {
        height: 260px;
    }

    .detail-hero-compact .detail-icon {
        width: 74px;
        height: 74px;
        border-radius: 22px;
        font-size: 2.25rem;
    }

    .detail-hero-compact .detail-visual-overlay {
        padding: 1.45rem;
    }

        .detail-hero-compact .detail-visual-overlay strong,
        .detail-hero-compact .detail-visual-card strong {
            font-size: 1.35rem;
        }

    /* Detail KPI panel compact */

    .detail-hero-compact .detail-stat-panel {
        margin-top: 36px;
        transform: translateY(46%);
    }

    .detail-hero-compact .stat-card {
        min-height: 102px;
        border-radius: 12px;
        padding: 0.85rem 0.65rem;
    }

    .detail-hero-compact .stat-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 1.08rem;
        margin-bottom: 0.42rem;
    }

    .detail-hero-compact .stat-card strong {
        font-size: 1.18rem;
    }

    .detail-hero-compact .stat-card span {
        font-size: 0.74rem;
        line-height: 1.22;
    }

    /* Pull detail content up */

    .detail-hero-compact + .detail-content-section {
        padding-top: 100px;
    }

/* Detail content compact */

.sticky-summary h2,
.feature-panel h3,
.architecture-box h3 {
    font-size: 1.55rem;
}

.sticky-summary p {
    font-size: 0.95rem;
    line-height: 1.65;
}

.feature-panel,
.architecture-box {
    border-radius: 22px;
    padding: 1.55rem;
}

.feature-row {
    border-radius: 14px;
    padding: 0.82rem 0.95rem;
    font-size: 0.92rem;
}

.feature-check {
    width: 24px;
    height: 24px;
}

.architecture-flow div {
    border-radius: 12px;
    padding: 0.7rem 0.85rem;
    font-size: 0.86rem;
}

/* About / Contact compact */

.about-stat-card {
    min-height: 122px;
    border-radius: 18px;
    padding: 1.05rem;
}

    .about-stat-card strong {
        font-size: 1.45rem;
    }

    .about-stat-card span {
        font-size: 0.86rem;
    }

.about-value-card {
    padding: 1.1rem;
    border-radius: 16px;
}

    .about-value-card .icon-box {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 1.18rem;
        margin-bottom: 0.7rem;
    }

    .about-value-card h5 {
        font-size: 1rem;
    }

    .about-value-card p {
        font-size: 0.86rem;
    }

.direction-item {
    border-radius: 16px;
    padding: 0.9rem 1rem;
    font-size: 0.94rem;
}

.contact-info-panel,
.contact-form-card {
    border-radius: 24px;
    padding: 1.55rem;
}

    .contact-info-panel h2,
    .contact-form-card h3 {
        font-size: 1.55rem;
    }

.contact-info-item {
    border-radius: 16px;
    padding: 0.85rem;
}

.contact-info-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    font-size: 1.12rem;
}

.contact-form-card .form-control-lg {
    min-height: 44px;
    font-size: 0.96rem;
    border-radius: 13px;
}

.contact-form-card textarea.form-control-lg {
    min-height: 138px;
}

/* Responsive compact */

@media (max-width: 991.98px) {
    .page-hero-compact {
        min-height: auto;
        padding: 44px 0 50px;
        background-position: center right;
    }

    .detail-hero-compact {
        min-height: auto;
        padding: 44px 0 0;
    }

        .detail-hero-compact .detail-stat-panel {
            transform: none;
            margin-top: 28px;
            padding-bottom: 32px;
        }

        .detail-hero-compact + .detail-content-section {
            padding-top: 56px;
        }

        .detail-hero-compact .detail-card-image {
            height: 260px;
        }

    .system-card {
        min-height: auto;
    }
}

@media (max-width: 575.98px) {
    .page-hero-compact h1,
    .detail-hero-compact h1 {
        font-size: 2.05rem;
    }

    .page-hero-compact p,
    .detail-hero-compact p {
        font-size: 0.92rem;
    }

    .page-hero-compact {
        padding: 34px 0 42px;
    }

    .detail-hero-compact {
        padding-top: 34px;
    }
}

/* =========================================================
   SYSTEMS PAGES
   Styles moved from Pages/Systems/Index.cshtml and Detail.cshtml
   ========================================================= */

/* ---------- Systems / Index ---------- */

.systems-page {
    background: #f5f8fc;
}

.systems-hero {
    position: relative;
    min-height: 330px;
    padding: 56px 0 70px;
    color: #fff;
    overflow: hidden;
    background-image: linear-gradient(90deg, rgba(0,20,47,.96) 0%, rgba(0,35,80,.86) 45%, rgba(0,59,121,.35) 100%), url('/images/hero/systems-hero.jpg');
    background-size: cover;
    background-position: center right;
    background-repeat: no-repeat;
}

    .systems-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,.035) 1px, transparent 1px);
        background-size: 42px 42px;
        opacity: .22;
        pointer-events: none;
    }

.systems-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.systems-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: .45rem .8rem;
    border-radius: 999px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.18);
    color: rgba(255,255,255,.92);
    font-size: .8rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.systems-hero h1 {
    max-width: 760px;
    margin: 0 0 1rem;
    font-size: clamp(2.15rem, 4vw, 3.75rem);
    line-height: .98;
    letter-spacing: -.055em;
    font-weight: 900;
    text-transform: uppercase;
}

.systems-hero p {
    max-width: 620px;
    margin: 0;
    color: rgba(255,255,255,.82);
    font-size: 1rem;
    line-height: 1.62;
}

.systems-list {
    padding: 56px 0 76px;
    background: radial-gradient(circle at top right, rgba(0,168,255,.08), transparent 32%), #f5f8fc;
}

.system-item-link {
    display: block;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.system-item {
    height: 100%;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    padding: 1.3rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 16px 40px rgba(15, 23, 42, .07);
    transition: all .2s ease;
}

    .system-item:hover {
        transform: translateY(-6px);
        border-color: rgba(0,168,255,.35);
        box-shadow: 0 22px 54px rgba(15, 23, 42, .13);
    }

.system-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: .9rem;
    background: rgba(0,168,255,.1);
    color: #003b79;
    font-size: 1.3rem;
}

.system-category {
    display: inline-flex;
    width: fit-content;
    padding: .35rem .68rem;
    border-radius: 999px;
    background: rgba(0,168,255,.09);
    color: #003b79;
    font-size: .72rem;
    font-weight: 800;
    margin-bottom: .8rem;
}

.system-item h3 {
    color: #001f45;
    font-weight: 900;
    letter-spacing: -.035em;
    font-size: 1.34rem;
    line-height: 1.16;
    margin-bottom: .8rem;
}

.system-item p {
    color: #6b7280;
    font-size: .92rem;
    line-height: 1.58;
    margin-bottom: 1rem;
}

.system-footer {
    margin-top: auto;
    padding-top: .95rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #003b79;
    font-size: .92rem;
    font-weight: 800;
}

/* ---------- Systems / Detail ---------- */

.systems-detail-page {
    background: #f5f8fc;
}

.systems-detail-hero {
    position: relative;
    min-height: 405px;
    padding: 54px 0 0;
    overflow: visible;
    color: #fff;
    background: radial-gradient(circle at 82% 12%, rgba(247,148,29,.2), transparent 30%), linear-gradient(135deg, #00142f, #003b79);
}

    .systems-detail-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,.035) 1px, transparent 1px);
        background-size: 42px 42px;
        opacity: .22;
        pointer-events: none;
    }

.systems-detail-content {
    position: relative;
    z-index: 2;
}

    .systems-detail-content h1 {
        max-width: 780px;
        margin: 0 0 1rem;
        font-size: clamp(2.1rem, 3.8vw, 3.85rem);
        line-height: .98;
        letter-spacing: -.055em;
        font-weight: 900;
        text-transform: uppercase;
    }

    .systems-detail-content p {
        max-width: 630px;
        margin: 0;
        color: rgba(255,255,255,.82);
        font-size: 1rem;
        line-height: 1.62;
    }

.systems-image-card {
    position: relative;
    z-index: 2;
    min-height: 265px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.16);
    background: rgba(255,255,255,.08);
    box-shadow: 0 30px 70px rgba(0,0,0,.24);
}

    .systems-image-card img {
        width: 100%;
        height: 265px;
        display: block;
        object-fit: cover;
    }

.systems-image-overlay {
    position: absolute;
    inset: 0;
    padding: 1.45rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, rgba(0,20,47,.08), rgba(0,20,47,.76)), radial-gradient(circle at 82% 18%, rgba(0,168,255,.26), transparent 34%);
}

.systems-image-icon {
    width: 74px;
    height: 74px;
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fff, #bdefff);
    color: #003b79;
    font-size: 2.25rem;
    box-shadow: 0 20px 45px rgba(0,0,0,.25);
}

.systems-image-overlay span {
    display: block;
    color: rgba(255,255,255,.72);
    font-weight: 700;
}

.systems-image-overlay strong {
    display: block;
    color: #fff;
    font-size: 1.35rem;
    letter-spacing: -.04em;
}

.systems-stats {
    position: relative;
    z-index: 5;
    margin-top: 36px;
    transform: translateY(46%);
}

.systems-stat-card {
    height: 100%;
    min-height: 104px;
    padding: .85rem .65rem;
    text-align: center;
    border-radius: 12px;
    background: #fff;
    color: #1f2937;
    border: 1px solid rgba(229,231,235,.95);
    box-shadow: 0 18px 45px rgba(15,23,42,.14);
}

.systems-stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    margin: 0 auto .42rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #003b79;
    background: rgba(0,168,255,.1);
    font-size: 1.08rem;
}

.systems-stat-card strong {
    display: block;
    color: #003b79;
    font-weight: 900;
    font-size: 1.18rem;
    line-height: 1.1;
}

.systems-stat-card span {
    display: block;
    color: #6b7280;
    font-size: .74rem;
    font-weight: 700;
    line-height: 1.22;
    margin-top: .25rem;
}

.systems-detail-body {
    padding: 104px 0 76px;
    background: radial-gradient(circle at top right, rgba(0,168,255,.08), transparent 32%), #f5f8fc;
}

.systems-summary {
    position: sticky;
    top: 96px;
}

    .systems-summary h2,
    .systems-feature-panel h3,
    .systems-architecture-box h3 {
        color: #001f45;
        font-size: 1.55rem;
        font-weight: 900;
        letter-spacing: -.04em;
    }

    .systems-summary p {
        color: #6b7280;
        font-size: .95rem;
        line-height: 1.65;
        margin: 1rem 0 1.5rem;
    }

.systems-feature-panel,
.systems-architecture-box {
    padding: 1.55rem;
    border-radius: 22px;
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 14px 38px rgba(15,23,42,.07);
}

.systems-feature-list {
    display: grid;
    gap: .75rem;
    margin-top: 1.1rem;
}

.systems-feature-row {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    padding: .82rem .95rem;
    border-radius: 14px;
    background: #f5f8fc;
    color: #1f2937;
    font-size: .92rem;
    font-weight: 650;
}

.systems-feature-check {
    width: 24px;
    height: 24px;
    border-radius: 999px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,168,255,.14);
    color: #003b79;
}

.systems-architecture-box p {
    color: #6b7280;
    line-height: 1.65;
    font-size: .95rem;
}

.systems-architecture-flow {
    display: flex;
    align-items: center;
    gap: .7rem;
    flex-wrap: wrap;
    margin-top: 1.1rem;
}

    .systems-architecture-flow div {
        padding: .7rem .85rem;
        border-radius: 12px;
        background: #f5f8fc;
        border: 1px solid #e5e7eb;
        color: #003b79;
        font-size: .86rem;
        font-weight: 800;
    }

    .systems-architecture-flow i {
        color: #f7941d;
    }

@media (max-width: 991.98px) {
    .systems-hero {
        min-height: auto;
        padding: 44px 0 54px;
        background-position: 62% center;
    }

    .system-item {
        min-height: auto;
    }

    .systems-detail-hero {
        min-height: auto;
        padding: 44px 0 0;
    }

    .systems-stats {
        transform: none;
        margin-top: 28px;
        padding-bottom: 34px;
    }

    .systems-detail-body {
        padding-top: 58px;
    }

    .systems-summary {
        position: static;
    }

    .systems-image-card,
    .systems-image-card img {
        height: 260px;
    }
}

@media (max-width: 575.98px) {
    .systems-hero {
        padding: 34px 0 44px;
    }

        .systems-hero h1,
        .systems-detail-content h1 {
            font-size: 2.05rem;
        }

        .systems-hero p,
        .systems-detail-content p {
            font-size: .92rem;
        }

    .systems-detail-hero {
        padding-top: 34px;
    }

    .systems-image-card,
    .systems-image-card img {
        height: 230px;
    }
}

/* =========================================================
   HEADER LOGO FINAL TUNING
   ========================================================= */

.site-header .navbar {
    min-height: 72px;
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
}

.site-logo-wrap {
    display: flex;
    align-items: center;
    padding: 0;
    min-width: 150px;
}

.site-logo {
    height: 58px !important;
    width: auto;
    display: block;
    object-fit: contain;
}

/* Logo bản ngang nên cho nền trắng nhẹ để nhìn rõ */
.site-logo-wrap img {
    background: #fff;
    border-radius: 8px;
    padding: 3px 6px;
}

/* Căn menu theo logo */
.navbar-nav .nav-link {
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
}

/* Mobile */
@media (max-width: 991.98px) {
    .site-header .navbar {
        min-height: 66px;
    }

    .site-logo {
        height: 48px !important;
    }

    .site-logo-wrap {
        min-width: auto;
    }
}

@media (max-width: 575.98px) {
    .site-logo {
        height: 42px !important;
    }
}
/* =========================================================
   HEADER / FOOTER LOGO SEPARATION
   ========================================================= */

/* Header logo dùng ảnh ngang mới */
.site-header .navbar {
    min-height: 76px;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
}

.site-logo-wrap {
    display: flex;
    align-items: center;
    padding: 0;
    min-width: 260px;
}

.site-logo-header {
    height: 58px !important;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    display: block;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
}

/* Footer logo giữ riêng, không bị ảnh hưởng bởi header */
.footer-logo {
    width: 230px;
    max-width: 100%;
    height: auto;
    display: block;
    background: #fff;
    border-radius: 14px;
    padding: 7px 12px;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.16);
}

/* Cân lại menu theo logo header */
.navbar-nav .nav-link {
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
}

/* Tablet */
@media (max-width: 991.98px) {
    .site-header .navbar {
        min-height: 68px;
    }

    .site-logo-wrap {
        min-width: auto;
    }

    .site-logo-header {
        height: 48px !important;
        max-width: 260px;
    }
}

/* Mobile */
@media (max-width: 575.98px) {
    .site-logo-header {
        height: 40px !important;
        max-width: 210px;
    }
}

/* =========================================================
   HOME ICON FINAL TUNING
   ========================================================= */

/* KPI cards trên trang chủ */
.home-hero-compact .stat-card,
.stat-card-compact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: left;
    min-height: 88px;
    padding: 1rem 1.25rem;
    border-radius: 14px;
}

    .home-hero-compact .stat-card .stat-icon,
    .stat-card-compact .stat-icon {
        width: 54px;
        height: 54px;
        min-width: 54px;
        margin: 0;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(0, 168, 255, 0.13), rgba(0, 59, 121, 0.08));
        color: var(--vnr-blue);
        font-size: 1.9rem;
    }

    .home-hero-compact .stat-card strong,
    .stat-card-compact strong {
        font-size: 1.65rem;
        font-weight: 950;
        line-height: 1;
        color: var(--vnr-blue);
    }

    .home-hero-compact .stat-card span,
    .stat-card-compact span {
        font-size: 0.78rem;
        line-height: 1.22;
        font-weight: 800;
        color: var(--vnr-blue-dark);
        text-transform: uppercase;
        margin-top: 0.25rem;
    }

/* Riêng KPI cuối chữ dài thì nhỏ hơn chút */
.home-hero-compact .hero-stats .col-6:last-child .stat-card strong,
.hero-stats-compact .col-6:last-child .stat-card-compact strong,
.hero-stats-compact .col-lg:last-child .stat-card-compact strong {
    font-size: 1.1rem;
}

.home-hero-compact .hero-stats .col-6:last-child .stat-card span,
.hero-stats-compact .col-6:last-child .stat-card-compact span,
.hero-stats-compact .col-lg:last-child .stat-card-compact span {
    font-size: 0.72rem;
}

/* Năng lực cốt lõi */
.capability-card {
    text-align: center;
    padding: 1.25rem 1rem;
    border-radius: 16px;
}

    .capability-card .icon-box {
        width: 68px;
        height: 68px;
        border-radius: 18px;
        margin: 0 auto 0.95rem;
        background: linear-gradient(135deg, rgba(0, 168, 255, 0.12), rgba(255, 255, 255, 0.9));
        border: 1px solid rgba(0, 168, 255, 0.16);
        color: var(--vnr-blue);
        font-size: 2.1rem;
        box-shadow: 0 10px 24px rgba(0, 59, 121, 0.08);
    }

    .capability-card h5 {
        color: var(--vnr-blue);
        font-size: 0.98rem;
        line-height: 1.28;
        font-weight: 900;
        margin-bottom: 0.55rem;
    }

    .capability-card p {
        font-size: 0.84rem;
        line-height: 1.42;
        color: var(--vnr-text);
    }

/* Partner cards chỉnh nhẹ cho đồng bộ */
.partner-item {
    font-weight: 950;
    color: var(--vnr-blue);
    letter-spacing: 0.01em;
}

/* Mobile */
@media (max-width: 767.98px) {
    .home-hero-compact .stat-card,
    .stat-card-compact {
        flex-direction: column;
        text-align: center;
        gap: 8px;
        min-height: 116px;
    }

        .home-hero-compact .stat-card .stat-icon,
        .stat-card-compact .stat-icon {
            width: 44px;
            height: 44px;
            min-width: 44px;
            font-size: 1.45rem;
        }

        .home-hero-compact .stat-card strong,
        .stat-card-compact strong {
            font-size: 1.25rem;
        }

        .home-hero-compact .stat-card span,
        .stat-card-compact span {
            font-size: 0.72rem;
        }

    .capability-card .icon-box {
        width: 58px;
        height: 58px;
        font-size: 1.75rem;
    }
}

/* =========================================================
   SYSTEMS / SOLUTIONS / RESEARCH ICON FINAL TUNING
   ========================================================= */

/* Card danh sách: /Systems, /Solutions, /Research */
.system-item {
    text-align: center;
}

.system-icon {
    width: 66px;
    height: 66px;
    min-width: 66px;
    border-radius: 18px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.13), rgba(255, 255, 255, 0.92));
    border: 1px solid rgba(0, 168, 255, 0.18);
    color: var(--vnr-blue);
    font-size: 2.05rem;
    box-shadow: 0 12px 28px rgba(0, 59, 121, 0.09);
}

.system-category {
    margin-left: auto;
    margin-right: auto;
}

.system-item h3 {
    color: var(--vnr-blue);
    font-weight: 950;
}

.system-item p {
    text-align: left;
}

/* Footer của card */
.system-footer {
    color: var(--vnr-blue);
}

    .system-footer i {
        width: 30px;
        height: 30px;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(0, 168, 255, 0.1);
    }

/* KPI detail cards */
.systems-stat-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 13px;
    text-align: left;
    min-height: 98px;
    padding: 0.95rem 1rem;
}

.systems-stat-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    margin: 0;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.13), rgba(0, 59, 121, 0.08));
    color: var(--vnr-blue);
    font-size: 1.75rem;
}

.systems-stat-card strong {
    font-size: 1.45rem;
    font-weight: 950;
    line-height: 1;
}

.systems-stat-card span {
    font-size: 0.75rem;
    line-height: 1.22;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--vnr-blue-dark);
}

/* Icon trên ảnh detail hero */
.systems-image-icon {
    width: 82px;
    height: 82px;
    border-radius: 24px;
    background: linear-gradient(135deg, #ffffff, #dff6ff);
    color: var(--vnr-blue);
    font-size: 2.55rem;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
}

/* Feature check icon */
.systems-feature-check {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.18), rgba(0, 59, 121, 0.08));
    color: var(--vnr-blue);
    font-size: 1rem;
}

/* Architecture flow icon */
.systems-architecture-flow i {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(247, 148, 29, 0.12);
    color: var(--vnr-orange);
}

/* Mobile */
@media (max-width: 767.98px) {
    .system-icon {
        width: 58px;
        height: 58px;
        min-width: 58px;
        font-size: 1.75rem;
    }

    .systems-stat-card {
        flex-direction: column;
        text-align: center;
        gap: 8px;
        min-height: 116px;
    }

    .systems-stat-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.45rem;
    }

    .systems-stat-card strong {
        font-size: 1.2rem;
    }

    .systems-stat-card span {
        font-size: 0.7rem;
    }

    .systems-image-icon {
        width: 66px;
        height: 66px;
        font-size: 2rem;
    }
}