:root {
    --green: #22c55e;
    --navy: #1b3056;
    --orange: #f47920;
    --gray: #6b7280;
    --check: #22c55e;
    --bg: #ffffff;
    --radius: 14px;
    --shadow: 0 2px 18px rgba(0, 0, 0, .07);
}

body {
    font-family: 'Nunito', sans-serif;
    background: #fff;
    color: var(--navy);
}

/* ── Section wrapper ── */
.print-section {
    max-width: 1160px;
    margin: 0 auto;
    padding: 60px 20px 70px;
}

.print-section>h2 {
    text-align: center;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 48px;
}

/* ── Row (alternating image / content) ── */
.print-section>.tech-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 56px;
}

.print-section>.tech-row:last-child {
    margin-bottom: 0;
}

/* reverse layout for odd rows */
.print-section>.tech-row.reverse>.tech-img {
    order: 2;
}

.print-section>.tech-row.reverse>.tech-info {
    order: 1;
}

/* ── Image ── */
.tech-row>.tech-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 16/10;
    background: #e5e7eb;
}

.tech-row>.tech-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .45s ease;
}

.tech-row>.tech-img:hover img {
    transform: scale(1.04);
}

/* ── Info block ── */
.tech-row>.tech-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Badge */
.tech-info>.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 800;
    width: fit-content;
    letter-spacing: .2px;
}

.tech-info>.tech-badge.green {
    background: var(--green);
    color: #fff;
}

.tech-info>.tech-badge.navy {
    background: var(--navy);
    color: #fff;
}

.tech-info>.tech-badge.orange {
    background: var(--orange);
    color: #fff;
}

.tech-info>.tech-badge svg {
    width: 14px;
    height: 14px;
    fill: #fff;
    flex-shrink: 0;
}

/* Feature list */
.tech-info>.tech-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tech-features>li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .875rem;
    color: #374151;
    font-weight: 600;
    line-height: 1.45;
}

.tech-features>li::before {
    content: '';
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 1px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%2322c55e' d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* Divider */
.tech-info>.tech-divider {
    border: none;
    border-top: 1px solid #e5e7eb;
}

/* Best for */
.tech-info>.tech-bestfor {
    font-size: .8rem;
    color: var(--gray);
    font-weight: 700;
}

.tech-info>.tech-bestfor>span {
    color: var(--navy);
    font-weight: 800;
}

/* ── Responsive: Tablet ── */
@media (max-width: 860px) {
    .print-section>.tech-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .print-section>.tech-row.reverse>.tech-img {
        order: 0;
    }

    .print-section>.tech-row.reverse>.tech-info {
        order: 0;
    }
}

/* ── Responsive: Mobile ── */
@media (max-width: 480px) {
    .print-section {
        padding: 36px 14px 50px;
    }

    .print-section>.tech-row {
        margin-bottom: 40px;
    }

    .tech-info>.tech-badge {
        font-size: .72rem;
    }

    .tech-features>li {
        font-size: .82rem;
    }
}


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

    --icon-gray: #e9eaf0;
    --icon-navy: #1b3056;
    --icon-green1: #22c55e;
    --icon-orange: #f47920;
    --icon-green2: #16a34a;
}

body {
    font-family: 'Nunito', sans-serif;
    background: var(--section-bg);
    color: var(--navy);
}

/* ════════════════════════════════
       SECTION 1 — Lab
    ════════════════════════════════ */
.lab-section {
    max-width: 1160px;
    margin: 0 auto;
    padding: 60px 20px 70px;
}

.lab-section>.section-header {
    text-align: center;
    margin-bottom: 44px;
}

.lab-section>.section-header>h2 {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 10px;
}

.lab-section>.section-header>p {
    font-size: .92rem;
    color: var(--gray-text);
    font-weight: 600;
}

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

/* Card */
.lab-grid>.lab-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
    transition: transform .22s ease, box-shadow .22s ease;
}

.lab-grid>.lab-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .11);
}

/* Icon box */
.lab-card>.lab-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: var(--icon-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.lab-card>.lab-icon svg {
    width: 26px;
    height: 26px;
    stroke: #4b5563;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lab-card>.lab-title {
    font-size: .95rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 8px;
}

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

/* ════════════════════════════════
       SECTION 2 — Chứng nhận
    ════════════════════════════════ */
.cert-section {
    background: #fff;
    padding: 60px 20px 30px;
}

.cert-section>.cert-inner {
    max-width: 1160px;
    margin: 0 auto;
}

.cert-inner>.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.cert-inner>.section-header>h2 {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--navy);
}

/* Cert grid */
.cert-inner>.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

/* Cert card */
.cert-grid>.cert-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 20px 28px;
    text-align: center;
    transition: transform .22s ease, box-shadow .22s ease;
}

.cert-grid>.cert-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .11);
}

/* Cert icon circle */
.cert-card>.cert-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

.cert-card>.cert-icon svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

.cert-card>.cert-icon.navy {
    background: var(--icon-navy);
}

.cert-card>.cert-icon.green1 {
    background: var(--icon-green1);
}

.cert-card>.cert-icon.orange {
    background: var(--icon-orange);
}

.cert-card>.cert-icon.green2 {
    background: var(--icon-green2);
}

.cert-card>.cert-name {
    font-size: .95rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 6px;
}

.cert-card>.cert-desc {
    font-size: .8rem;
    color: var(--gray-text);
    font-weight: 600;
    line-height: 1.5;
}

/* Banner */
.cert-inner>.cert-banner {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px 28px;
    text-align: center;
    font-size: .95rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 40px;
}


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

    .cert-inner>.cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ════════════════════════════════
       Responsive — Mobile
    ════════════════════════════════ */
@media (max-width: 500px) {
    .lab-section {
        padding: 36px 14px 50px;
    }

    .cert-section {
        padding: 36px 14px 30px;
    }

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

    .cert-inner>.cert-grid {
        grid-template-columns: 1fr;
    }

    .cert-inner>.cert-banner {
        font-size: .85rem;
        padding: 18px 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;
    }
}