:root {
    --color-1: #000;
    --color-2: #1F1F1F;
    --color-primary: #1a3a5c;
    --color-sub: #e86c1f;
    --color-5: #c6000f;
}

.nl-system {
    padding: 60px 0;
    background-color: #fff;
}

.nl-system .nl-system__title {
    text-align: center;
    color: var(--color-primary);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    text-transform: none;
}

.nl-system .nl-system__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.nl-system .nl-system__item {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    padding: 30px 15px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.nl-system .nl-system__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

.nl-system .nl-system__icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    margin-bottom: 20px;
}

.nl-system .nl-system__icon.icon-blue {
    background-color: var(--color-primary);
}

.nl-system .nl-system__icon.icon-orange {
    background-color: var(--color-sub);
}

.nl-system .nl-system__icon.icon-green {
    background-color: #27ae60;
}

.nl-system .nl-system__number {
    color: var(--color-sub);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}

.nl-system .nl-system__subtitle {
    color: var(--color-2);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.nl-system .nl-system__desc {
    color: #666;
    font-size: 13px;
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 1199px) {
    .nl-system .nl-system__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .nl-system .nl-system__title {
        font-size: 24px;
        margin-bottom: 30px;
    }

    .nl-system .nl-system__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nl-system .nl-system__item {
        padding: 20px 10px;
    }
}

@media (max-width: 480px) {
    .nl-system .nl-system__grid {
        grid-template-columns: 1fr;
    }
}

/* Hình ảnh nhà máy */
.nl-gallery {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.nl-gallery .nl-gallery__header {
    text-align: center;
    margin-bottom: 40px;
}

.nl-gallery .nl-gallery__subtitle {
    display: inline-block;
    color: var(--color-sub);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 12px;
}

.nl-gallery .nl-gallery__subtitle::before,
.nl-gallery .nl-gallery__subtitle::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background-color: var(--color-sub);
}

.nl-gallery .nl-gallery__subtitle::before {
    right: 100%;
    margin-right: 15px;
}

.nl-gallery .nl-gallery__subtitle::after {
    left: 100%;
    margin-left: 15px;
}

.nl-gallery .nl-gallery__title {
    color: var(--color-primary);
    font-size: 32px;
    font-weight: 800;
    margin: 0;
}

.nl-gallery .nl-gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.nl-gallery .nl-gallery__item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    background-color: #fff;
}

.nl-gallery .nl-gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.nl-gallery .nl-gallery__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    padding: 16px 20px;
    transition: all 0.4s ease;
    z-index: 2;
}

.nl-gallery .nl-gallery__title-text {
    color: var(--color-primary);
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    transition: color 0.3s ease;
}

/* Hover effect */
.nl-gallery .nl-gallery__item:hover .nl-gallery__img {
    transform: scale(1.05);
}

.nl-gallery .nl-gallery__item:hover .nl-gallery__caption {
    background: linear-gradient(to top, rgba(26, 58, 92, 0.95) 0%, rgba(26, 58, 92, 0.6) 60%, transparent 100%);
    padding-top: 80px;
}

.nl-gallery .nl-gallery__item:hover .nl-gallery__title-text {
    color: #fff;
}

/* Responsive */
@media (max-width: 991px) {
    .nl-gallery .nl-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 767px) {
    .nl-gallery .nl-gallery__title {
        font-size: 26px;
    }
}

@media (max-width: 575px) {
    .nl-gallery .nl-gallery__grid {
        grid-template-columns: 1fr;
    }

    .nl-gallery .nl-gallery__subtitle::before,
    .nl-gallery .nl-gallery__subtitle::after {
        width: 25px;
    }
}


:root {
    --orange: #f47920;
    --orange-light: #fff3e8;
    --navy: #1b3056;
    --gray-text: #6b7280;
    --card-bg: #ffffff;
    --section-bg: #f5f6fa;
    --radius: 14px;
    --shadow: 0 2px 16px rgba(0, 0, 0, .07);
}

/* ── Section ── */
.process-section {
    padding: 60px 20px 70px;
    max-width: 1200px;
    margin: 0 auto;
}

.process-section>h2 {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 44px;
    letter-spacing: -.3px;
}

/* ── Grid ── */
.process-section>.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ── Card ── */
.process-grid>.step-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px 22px 26px 22px;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    transition: transform .22s ease, box-shadow .22s ease;
    cursor: default;
}

.process-grid>.step-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(244, 121, 32, .18);
}

/* ── Icon wrapper ── */
.step-card>.step-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-card>.step-icon svg {
    width: 26px;
    height: 26px;
    fill: #fff;
}

/* ── Text block ── */
.step-card>.step-body {
    flex: 1;
}

.step-card>.step-body>.step-label {
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: 1.2px;
    color: var(--orange);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.step-card>.step-body>.step-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 5px;
    line-height: 1.3;
}

.step-card>.step-body>.step-desc {
    font-size: .82rem;
    color: var(--gray-text);
    line-height: 1.55;
    font-weight: 600;
}

/* ── Responsive: Tablet ── */
@media (max-width: 900px) {
    .process-section>.process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Responsive: Mobile ── */
@media (max-width: 540px) {
    .process-section {
        padding: 40px 14px 50px;
    }

    .process-section>.process-grid {
        grid-template-columns: 1fr;
    }

    .process-grid>.step-card {
        padding: 20px 16px;
    }
}


/* ============================================================ */
/* BOTTOM CTA SECTION
/* ============================================================ */
.bottom-cta-section {
    position: relative;
    padding: 80px 0;
    background-color: var(--color-sub);
    color: #fff;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-sub);
    opacity: 0.85;
    /* to let the background image slightly show through */
    z-index: 1;
}

.cta-content-wrapper {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-heading {
    font-size: 36px;
    font-weight: 900;
    margin: 0 0 16px;
    max-width: 750px;
    line-height: 40px;
}

.cta-subtext-box {
    font-size: 18px;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-solid {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: #fff;
    color: var(--color-sub);
    padding: 14px 28px;
    font-weight: 700;
    font-size: 16px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid #fff;
}

.btn-cta-solid:hover {
    background-color: transparent;
    color: #fff;
    transform: translateY(-2px);
}

.btn-cta-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
    padding: 14px 28px;
    font-weight: 700;
    font-size: 16px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-cta-outline:hover {
    background-color: #fff;
    color: var(--color-sub);
    border-color: #fff;
    transform: translateY(-2px);
}

/* Responsive Bottom CTA */
@media (max-width: 768px) {
    .bottom-cta-section {
        padding: 60px 0;
    }
}

@media (max-width: 575px) {
    .cta-heading {
        font-size: 26px;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 16px;
    }
}