/* =========================================================
   DỊCH VỤ HẠ TẦNG - TÀU & VẬT LIỆU
   Giữ tông cam - vàng của website, bổ sung xanh hàng hải
========================================================= */

.infrastructure-page {
    --infra-navy: #0f2d3a;
    --infra-navy-soft: #183f4f;
    --infra-sea: #236b78;
    --infra-sand: #b98a4a;
    --infra-sand-light: #efe2cd;
    --infra-orange: var(--primary, #e85d04);
    --infra-gold: var(--accent-gold, #d4af37);
    --infra-ink: #12222b;
    --infra-muted: #5f6f76;
    --infra-line: rgba(15, 45, 58, 0.12);
    --infra-bg: #f7f5ef;

    width: 100%;
    overflow: hidden;
    background: var(--infra-bg);
    color: var(--infra-ink);
}

.infrastructure-page *,
.infrastructure-page *::before,
.infrastructure-page *::after {
    box-sizing: border-box;
}

.infrastructure-page section {
    position: relative;
    padding: clamp(58px, 7vw, 92px) 0;
}

.infrastructure-page .container {
    width: min(100%, 1320px);
    margin: 0 auto;
    padding: 0 24px;
}

.infrastructure-page a {
    color: inherit;
    text-decoration: none;
}

.infrastructure-page img {
    max-width: 100%;
    display: block;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* HERO */
.infra-hero {
    min-height: clamp(620px, 78vh, 820px);
    padding: 0 !important;
    background: var(--infra-navy);
}

.infra-hero-slider {
    position: relative;
    min-height: clamp(620px, 78vh, 820px);
    isolation: isolate;
    overflow: hidden;
}

.infra-hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transform: scale(1.04);
    transition: opacity 0.8s ease, visibility 0.8s ease, transform 7s ease;
}

.infra-hero-slide.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.infra-hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.infra-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(7, 29, 39, 0.94) 0%, rgba(8, 33, 44, 0.76) 44%, rgba(8, 33, 44, 0.22) 78%),
        linear-gradient(0deg, rgba(7, 29, 39, 0.56), transparent 45%);
}

.infra-hero-content {
    position: relative;
    z-index: 3;
    min-height: clamp(620px, 78vh, 820px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: 110px !important;
    padding-bottom: 70px !important;
}

.infra-eyebrow,
.infra-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--infra-orange);
    font-size: 13px;
    line-height: 1.4;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.infra-eyebrow {
    margin-bottom: 20px;
    color: #ffd6a9;
}

.infra-eyebrow i {
    color: var(--infra-orange);
}

.infra-hero-content h1 {
    max-width: 820px;
    margin: 0 0 24px;
    color: #fff;
    font-size: clamp(42px, 6vw, 82px);
    line-height: 1.04;
    letter-spacing: -0.045em;
    font-weight: 900;
}

.infra-hero-content h1 span {
    color: #f1c77c;
}

.infra-hero-content p {
    max-width: 660px;
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(16px, 1.7vw, 20px);
    line-height: 1.75;
}

.infra-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.infra-btn {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 11px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 800;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.infra-btn:hover {
    transform: translateY(-3px);
}

.infra-btn-primary {
    background: linear-gradient(135deg, var(--infra-orange), #ff7a00);
    color: #fff !important;
    box-shadow: 0 14px 28px rgba(232, 93, 4, 0.28);
}

.infra-btn-primary:hover {
    box-shadow: 0 18px 34px rgba(232, 93, 4, 0.36);
}

.infra-btn-outline {
    border-color: rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.08);
    color: #fff !important;
    backdrop-filter: blur(12px);
}

.infra-btn-outline:hover {
    background: rgba(255, 255, 255, 0.16);
}

.infra-slider-arrow {
    position: absolute;
    top: 50%;
    z-index: 5;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 50%;
    background: rgba(6, 28, 38, 0.38);
    color: #fff;
    cursor: pointer;
    transform: translateY(-50%);
    backdrop-filter: blur(10px);
}

.infra-slider-prev { left: 24px; }
.infra-slider-next { right: 24px; }

.infra-slider-dots {
    position: absolute;
    left: 50%;
    bottom: 28px;
    z-index: 5;
    display: flex;
    gap: 9px;
    transform: translateX(-50%);
}

.infra-slider-dots button {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.42);
    cursor: pointer;
    transition: width 0.25s ease, background 0.25s ease;
}

.infra-slider-dots button.active {
    width: 30px;
    background: var(--infra-orange);
}

/* SWITCH SERVICE */
.infra-service-switch {
    z-index: 6;
    margin-top: -74px;
    padding: 0 0 clamp(54px, 6vw, 78px) !important;
}

.infra-switch-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.infra-switch-card {
    position: relative;
    min-height: 190px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
    padding: 30px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.44);
    border-radius: 14px;
    color: #fff !important;
    box-shadow: 0 24px 50px rgba(15, 45, 58, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.infra-switch-card::before {
    content: '';
    position: absolute;
    right: -55px;
    bottom: -85px;
    width: 220px;
    height: 220px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
}

.infra-switch-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 32px 60px rgba(15, 45, 58, 0.24);
}

.infra-switch-vessel {
    background: linear-gradient(135deg, var(--infra-navy), var(--infra-sea));
}

.infra-switch-material {
    background: linear-gradient(135deg, #8a5a2b, var(--infra-sand));
}

.infra-switch-icon {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.13);
    font-size: 31px;
}

.infra-switch-copy {
    display: block;
}

.infra-switch-copy small,
.infra-switch-copy strong,
.infra-switch-copy em {
    display: block;
}

.infra-switch-copy small {
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.infra-switch-copy strong {
    margin-bottom: 9px;
    font-size: clamp(24px, 2.6vw, 34px);
    line-height: 1.15;
}

.infra-switch-copy em {
    max-width: 470px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    line-height: 1.65;
    font-style: normal;
}

.infra-switch-arrow {
    font-size: 21px;
}

/* OVERVIEW */
.infra-overview {
    background: #fff;
}

.infra-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
    gap: clamp(40px, 6vw, 78px);
    align-items: center;
}

.infra-overview-copy h2,
.infra-section-heading h2,
.infra-toolbar-inner h2,
.infra-cta-inner h2 {
    margin: 12px 0 20px;
    color: var(--infra-ink);
    font-size: clamp(31px, 4.3vw, 54px);
    line-height: 1.14;
    letter-spacing: -0.035em;
    font-weight: 900;
}

.infra-overview-copy h2 span,
.infra-section-heading h2 span {
    color: var(--infra-orange);
}

.infra-overview-copy > p {
    margin: 0;
    color: var(--infra-muted);
    font-size: 17px;
    line-height: 1.82;
}

.infra-feature-list {
    display: grid;
    gap: 18px;
    margin-top: 30px;
}

.infra-feature-list > div {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    align-items: start;
}

.infra-feature-list i {
    margin-top: 5px;
    color: var(--infra-orange);
    font-size: 19px;
}

.infra-feature-list span,
.infra-feature-list strong {
    display: block;
}

.infra-feature-list strong {
    margin-bottom: 3px;
    color: var(--infra-ink);
    font-size: 16px;
}

.infra-feature-list span {
    color: var(--infra-muted);
    font-size: 14px;
    line-height: 1.65;
}

.infra-overview-visual {
    position: relative;
    min-height: 520px;
    padding: 22px 0 22px 48px;
}

.infra-overview-visual::before {
    content: '';
    position: absolute;
    inset: 0 72px 0 0;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(35, 107, 120, 0.12), rgba(232, 93, 4, 0.08));
}

.infra-overview-visual > img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 476px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 24px 55px rgba(15, 45, 58, 0.18);
}

.infra-overview-badge {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 2;
    width: 205px;
    padding: 24px;
    border: 7px solid #fff;
    border-radius: 14px;
    background: var(--infra-orange);
    color: #fff;
    box-shadow: 0 18px 34px rgba(232, 93, 4, 0.22);
}

.infra-overview-badge strong,
.infra-overview-badge span {
    display: block;
}

.infra-overview-badge strong {
    font-size: 42px;
    line-height: 1;
}

.infra-overview-badge span {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.5;
    font-weight: 700;
}

/* TOOLBAR */
.infra-catalog-toolbar {
    padding: 46px 0 !important;
    background: var(--infra-navy);
}

.infra-toolbar-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
    gap: 42px;
    align-items: center;
}

.infra-toolbar-inner h2 {
    margin-bottom: 0;
    color: #fff;
    font-size: clamp(27px, 3vw, 40px);
}

.infra-search-form {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
}

.infra-search-form > i {
    margin-left: 9px;
    color: rgba(255, 255, 255, 0.6);
}

.infra-search-form input {
    min-width: 0;
    height: 46px;
    border: 0;
    outline: 0;
    background: transparent;
    color: #fff;
    font: inherit;
}

.infra-search-form input::placeholder {
    color: rgba(255, 255, 255, 0.55);
}

.infra-search-form button,
.infra-clear-search {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 0;
    border-radius: 7px;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
}

.infra-search-form button {
    background: var(--infra-orange);
    color: #fff;
}

.infra-clear-search {
    background: rgba(255, 255, 255, 0.12);
    color: #fff !important;
}

/* PRODUCT SECTIONS */
.infra-products-section {
    scroll-margin-top: 86px;
}

.infra-vessel-section {
    background: #f8faf9;
}

.infra-sand-section {
    background: #f4eee4;
}

.infra-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 38px;
}

.infra-section-heading > div:first-child {
    max-width: 840px;
}

.infra-section-heading h2 {
    margin-bottom: 13px;
}

.infra-section-heading p {
    max-width: 760px;
    margin: 0;
    color: var(--infra-muted);
    font-size: 16px;
    line-height: 1.75;
}

.infra-count-badge {
    flex: 0 0 auto;
    min-width: 112px;
    padding: 18px 20px;
    border-left: 3px solid var(--infra-orange);
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 45, 58, 0.07);
}

.infra-count-badge strong,
.infra-count-badge span {
    display: block;
}

.infra-count-badge strong {
    color: var(--infra-navy);
    font-size: 31px;
    line-height: 1;
}

.infra-count-badge span {
    margin-top: 7px;
    color: var(--infra-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

/* Vessel cards */
.infra-vessel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.infra-vessel-card {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(230px, 0.82fr) minmax(0, 1.18fr);
    min-height: 350px;
    overflow: hidden;
    border: 1px solid var(--infra-line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(15, 45, 58, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.infra-vessel-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 24px 52px rgba(15, 45, 58, 0.13);
}

.infra-vessel-image {
    position: relative;
    min-height: 350px;
    overflow: hidden;
    background: #dfe7e8;
}

.infra-vessel-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(7, 30, 40, 0.48), transparent 48%);
}

.infra-vessel-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.infra-vessel-card:hover .infra-vessel-image img {
    transform: scale(1.055);
}

.infra-image-label {
    position: absolute;
    left: 18px;
    bottom: 18px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: calc(100% - 36px);
    padding: 9px 12px;
    border-radius: 6px;
    background: rgba(15, 45, 58, 0.88);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    backdrop-filter: blur(8px);
}

.infra-vessel-content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 25px;
}

.infra-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 15px;
    color: var(--infra-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.infra-availability {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #347b4b;
}

.infra-availability i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #39a65b;
    box-shadow: 0 0 0 4px rgba(57, 166, 91, 0.12);
}

.infra-vessel-content h3,
.infra-material-content h3 {
    margin: 0 0 13px;
    color: var(--infra-ink);
    font-size: clamp(21px, 2vw, 28px);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.infra-vessel-content h3 a:hover,
.infra-material-content h3 a:hover {
    color: var(--infra-orange);
}

.infra-card-description {
    display: -webkit-box;
    overflow: hidden;
    color: var(--infra-muted);
    font-size: 14px;
    line-height: 1.72;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

.infra-card-description * {
    margin: 0 !important;
    font: inherit !important;
    color: inherit !important;
}

.infra-card-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 15px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--infra-line);
}

.infra-price small,
.infra-price strong {
    display: block;
}

.infra-price small {
    margin-bottom: 5px;
    color: var(--infra-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.infra-price strong {
    color: var(--infra-orange);
    font-size: 17px;
}

.infra-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--infra-navy) !important;
    font-size: 13px;
    font-weight: 900;
}

/* Material cards */
.infra-material-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.infra-material-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(138, 90, 43, 0.14);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(96, 65, 32, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.infra-material-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 24px 52px rgba(96, 65, 32, 0.14);
}

.infra-material-image {
    position: relative;
    height: 265px;
    overflow: hidden;
    background: var(--infra-sand-light);
}

.infra-material-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.infra-material-card:hover .infra-material-image img {
    transform: scale(1.06);
}

.infra-material-image span {
    position: absolute;
    left: 16px;
    bottom: 16px;
    padding: 8px 11px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.92);
    color: #7d5126;
    font-size: 12px;
    font-weight: 900;
}

.infra-material-content {
    padding: 23px;
}

.infra-material-brand {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 12px;
    color: #8a5a2b;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.infra-material-actions {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 15px;
    margin-top: 21px;
    padding-top: 18px;
    border-top: 1px solid rgba(138, 90, 43, 0.12);
}

.infra-material-actions > a {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
    border-radius: 6px;
    background: #8a5a2b;
    color: #fff !important;
    font-size: 13px;
    font-weight: 800;
}

.infra-empty-state {
    padding: 54px 24px;
    border: 1px dashed rgba(15, 45, 58, 0.2);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.68);
    text-align: center;
}

.infra-empty-state > i {
    margin-bottom: 17px;
    color: var(--infra-orange);
    font-size: 42px;
}

.infra-empty-state h3 {
    margin: 0 0 8px;
    color: var(--infra-ink);
    font-size: 22px;
}

.infra-empty-state p {
    margin: 0;
    color: var(--infra-muted);
}

/* PROCESS */
.infra-process {
    background: #fff;
}

.infra-section-heading-centered {
    justify-content: center;
    text-align: center;
}

.infra-section-heading-centered > div:first-child {
    max-width: 760px;
}

.infra-process-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.infra-process-item {
    position: relative;
    min-height: 245px;
    padding: 28px;
    overflow: hidden;
    border: 1px solid var(--infra-line);
    border-radius: 12px;
    background: #f9fbfa;
}

.infra-process-item > span {
    position: absolute;
    top: -8px;
    right: 12px;
    color: rgba(15, 45, 58, 0.06);
    font-size: 82px;
    line-height: 1;
    font-weight: 900;
}

.infra-process-item > i {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    margin-bottom: 26px;
    border-radius: 8px;
    background: var(--infra-navy);
    color: #fff;
    font-size: 20px;
}

.infra-process-item h3 {
    margin: 0 0 9px;
    color: var(--infra-ink);
    font-size: 18px;
}

.infra-process-item p {
    margin: 0;
    color: var(--infra-muted);
    font-size: 14px;
    line-height: 1.68;
}

/* CTA */
.infra-cta {
    padding-top: 0 !important;
    background: #fff;
}

.infra-cta-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    padding: clamp(34px, 5vw, 58px);
    overflow: hidden;
    border-radius: 16px;
    background:
        radial-gradient(circle at 85% 20%, rgba(212, 175, 55, 0.22), transparent 28%),
        linear-gradient(135deg, var(--infra-navy), #164556);
    box-shadow: 0 25px 60px rgba(15, 45, 58, 0.19);
}

.infra-cta-inner::after {
    content: '';
    position: absolute;
    right: -90px;
    bottom: -140px;
    width: 340px;
    height: 340px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.infra-cta-inner > div,
.infra-cta-inner > a {
    position: relative;
    z-index: 1;
}

.infra-cta-inner > div {
    max-width: 780px;
}

.infra-cta-inner > div > span {
    color: #f2c878;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.infra-cta-inner h2 {
    margin-bottom: 12px;
    color: #fff;
    font-size: clamp(29px, 4vw, 48px);
}

.infra-cta-inner p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* RESPONSIVE */
@media (max-width: 1180px) {
    .infra-vessel-grid {
        grid-template-columns: 1fr;
    }

    .infra-material-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .infra-toolbar-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 960px) {
    .infra-hero,
    .infra-hero-slider,
    .infra-hero-content {
        min-height: 690px;
    }

    .infra-switch-grid,
    .infra-overview-grid {
        grid-template-columns: 1fr;
    }

    .infra-service-switch {
        margin-top: -44px;
    }

    .infra-overview-visual {
        min-height: 460px;
        padding-left: 36px;
    }

    .infra-overview-visual > img {
        height: 420px;
    }

    .infra-process-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .infra-cta-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 720px) {
    .infrastructure-page .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .infra-hero,
    .infra-hero-slider,
    .infra-hero-content {
        min-height: 640px;
    }

    .infra-hero-content {
        padding-top: 120px !important;
        padding-bottom: 82px !important;
    }

    .infra-hero-content h1 {
        font-size: clamp(36px, 11vw, 54px);
    }

    .infra-hero-slide img {
        object-position: 64% center;
    }

    .infra-hero-overlay {
        background: linear-gradient(90deg, rgba(7, 29, 39, 0.94), rgba(7, 29, 39, 0.68));
    }

    .infra-slider-arrow {
        display: none;
    }

    .infra-service-switch {
        margin-top: -28px;
    }

    .infra-switch-card {
        grid-template-columns: auto minmax(0, 1fr);
        min-height: 170px;
        padding: 23px;
    }

    .infra-switch-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }

    .infra-switch-arrow {
        display: none;
    }

    .infra-overview-visual {
        min-height: 380px;
        padding: 16px 0 26px 20px;
    }

    .infra-overview-visual::before {
        right: 30px;
    }

    .infra-overview-visual > img {
        height: 345px;
    }

    .infra-overview-badge {
        width: 170px;
        padding: 18px;
    }

    .infra-search-form {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .infra-search-form button,
    .infra-clear-search {
        grid-column: span 1;
    }

    .infra-section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .infra-vessel-card {
        grid-template-columns: 1fr;
    }

    .infra-vessel-image {
        min-height: 280px;
        height: 280px;
    }

    .infra-material-grid,
    .infra-process-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .infrastructure-page section {
        padding-top: 50px;
        padding-bottom: 50px;
    }

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

    .infra-switch-card {
        grid-template-columns: 1fr;
    }

    .infra-switch-icon {
        margin-bottom: 2px;
    }

    .infra-overview-copy h2,
    .infra-section-heading h2,
    .infra-toolbar-inner h2,
    .infra-cta-inner h2 {
        font-size: 31px;
    }

    .infra-search-form {
        display: flex;
        flex-wrap: wrap;
    }

    .infra-search-form input {
        flex: 1;
        min-width: 210px;
    }

    .infra-search-form button,
    .infra-clear-search {
        flex: 1;
    }

    .infra-card-meta,
    .infra-card-footer,
    .infra-material-actions {
        align-items: flex-start;
        flex-direction: column;
    }

    .infra-vessel-content,
    .infra-material-content {
        padding: 20px;
    }
}
/* =====================================================
THẺ SẢN PHẨM CÓ THỂ MỞ CHI TIẾT
===================================================== */

.infra-vessel-card.food-product-detail-trigger,
.infra-material-card.food-product-detail-trigger {
    cursor: pointer;
}
/* =====================================================
CÁT VÀ VẬT LIỆU - BỐ CỤC XEN KẼ
===================================================== */

.infra-material-showcase {
    display: grid;
    gap: 42px;
}

.infra-material-feature {
    display: grid;
    grid-template-columns:
        minmax(0, 1.08fr)
        minmax(0, 0.92fr);

    min-height: 430px;
    overflow: hidden;

    border: 1px solid rgba(18, 50, 71, 0.14);
    border-radius: 14px;

    background: #ffffff;

    box-shadow:
        0 18px 45px
        rgba(18, 50, 71, 0.1);
}

/* Sản phẩm số 2, 4, 6 đổi ngược vị trí */
.infra-material-feature.is-reverse
.infra-material-feature-media {
    order: 2;
}

.infra-material-feature.is-reverse
.infra-material-feature-content {
    order: 1;
}

/* =====================================================
SLIDER ẢNH
===================================================== */

.infra-material-feature-media {
    position: relative;
    min-width: 0;
    min-height: 430px;
    overflow: hidden;

    background: #e6ebed;
}

.infra-material-auto-slider {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 430px;
    overflow: hidden;
}

.infra-material-slides {
    position: absolute;
    inset: 0;
}

.infra-material-slide {
    position: absolute;
    inset: 0;

    margin: 0;

    opacity: 0;
    visibility: hidden;

    transition:
        opacity 0.8s ease,
        visibility 0.8s ease;
}

.infra-material-slide.active {
    opacity: 1;
    visibility: visible;
}

.infra-material-slide::after {
    content: "";

    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            180deg,
            rgba(10, 34, 48, 0.02) 40%,
            rgba(10, 34, 48, 0.5) 100%
        );

    pointer-events: none;
}

.infra-material-slide img {
    width: 100%;
    height: 100%;

    display: block;
    object-fit: cover;

    transition: transform 6s linear;
}

.infra-material-slide.active img {
    transform: scale(1.06);
}

/* Số thứ tự */
.infra-material-number {
    position: absolute;
    z-index: 5;
    top: 22px;
    left: 24px;

    color: rgba(255, 255, 255, 0.92);

    font-size: 42px;
    line-height: 1;
    font-weight: 900;

    text-shadow:
        0 3px 12px
        rgba(0, 0, 0, 0.28);
}

/* Nhãn loại vật liệu */
.infra-material-image-type {
    position: absolute;
    z-index: 5;
    left: 24px;
    bottom: 24px;

    display: inline-flex;
    align-items: center;

    min-height: 38px;
    padding: 0 14px;

    border-radius: 5px;

    background: rgba(14, 46, 63, 0.88);
    color: #ffffff;

    font-size: 13px;
    font-weight: 800;

    backdrop-filter: blur(6px);
}

/* Nút chuyển ảnh */
.infra-material-slider-arrow {
    position: absolute;
    z-index: 6;
    top: 50%;

    width: 42px;
    height: 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;

    background: rgba(10, 34, 48, 0.58);
    color: #ffffff;

    cursor: pointer;

    transform: translateY(-50%);
    transition: 0.25s ease;
}

.infra-material-slider-arrow:hover {
    background: #ff7a00;
    border-color: #ff7a00;
}

.infra-material-slider-arrow.prev {
    left: 18px;
}

.infra-material-slider-arrow.next {
    right: 18px;
}

/* Dấu chấm slider */
.infra-material-slider-dots {
    position: absolute;
    z-index: 6;

    left: 50%;
    bottom: 25px;

    display: flex;
    align-items: center;
    gap: 7px;

    transform: translateX(-50%);
}

.infra-material-slider-dots button {
    width: 8px;
    height: 8px;

    padding: 0;
    border: 0;
    border-radius: 50%;

    background: rgba(255, 255, 255, 0.62);

    cursor: pointer;

    transition: 0.25s ease;
}

.infra-material-slider-dots button.active {
    width: 24px;
    border-radius: 10px;

    background: #ff7a00;
}

/* =====================================================
THÔNG TIN VẬT LIỆU
===================================================== */

.infra-material-feature-content {
    display: flex;
    flex-direction: column;
    justify-content: center;

    min-width: 0;

    padding:
        clamp(30px, 5vw, 58px);
}

.infra-material-category {
    width: fit-content;

    display: inline-flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 17px;
    padding: 8px 12px;

    border-radius: 5px;

    background: #fff0df;
    color: #cf5d00;

    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.infra-material-feature-content h3 {
    margin: 0 0 16px;

    color: #123247;

    font-size:
        clamp(27px, 3vw, 40px);

    line-height: 1.2;
    font-weight: 900;
}

.infra-material-brand-line {
    display: flex;
    align-items: center;
    gap: 10px;

    margin-bottom: 21px;

    color: #64747d;
    font-size: 14px;
}

.infra-material-brand-line i {
    color: #ff7a00;
}

.infra-material-brand-line strong {
    color: #123247;
}

.infra-material-short-description {
    margin-bottom: 29px;

    color: #536771;

    font-size: 15px;
    line-height: 1.85;
}

.infra-material-feature-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;

    margin-top: auto;
    padding-top: 23px;

    border-top:
        1px solid
        rgba(18, 50, 71, 0.12);
}

.infra-material-feature-price {
    display: grid;
    gap: 5px;
}

.infra-material-feature-price small {
    color: #798991;

    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.infra-material-feature-price strong {
    color: #d96100;

    font-size: 20px;
    line-height: 1.25;
    font-weight: 900;
}

.infra-material-contact {
    min-height: 46px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    padding: 0 18px;

    border-radius: 6px;

    background: #123247;
    color: #ffffff !important;

    font-size: 14px;
    font-weight: 800;
    text-decoration: none !important;

    transition: 0.25s ease;
}

.infra-material-contact:hover {
    background: #ff7a00;
    transform: translateY(-2px);
}

/* =====================================================
RESPONSIVE
===================================================== */

@media (max-width: 900px) {

    .infra-material-feature {
        grid-template-columns: 1fr;
    }

    .infra-material-feature.is-reverse
    .infra-material-feature-media,
    .infra-material-feature.is-reverse
    .infra-material-feature-content {
        order: initial;
    }

    .infra-material-feature-media,
    .infra-material-auto-slider {
        min-height: 380px;
    }

}

@media (max-width: 600px) {

    .infra-material-showcase {
        gap: 28px;
    }

    .infra-material-feature {
        border-radius: 10px;
    }

    .infra-material-feature-media,
    .infra-material-auto-slider {
        min-height: 270px;
    }

    .infra-material-feature-content {
        padding: 25px 20px;
    }

    .infra-material-feature-content h3 {
        font-size: 26px;
    }

    .infra-material-feature-bottom {
        align-items: stretch;
        flex-direction: column;
    }

    .infra-material-contact {
        width: 100%;
    }

    .infra-material-number {
        top: 17px;
        left: 18px;
        font-size: 32px;
    }

    .infra-material-image-type {
        left: 18px;
        bottom: 18px;
    }

    .infra-material-slider-arrow {
        width: 38px;
        height: 38px;
    }

    .infra-material-slider-arrow.prev {
        left: 12px;
    }

    .infra-material-slider-arrow.next {
        right: 12px;
    }

}



/* ==================================================
   HÌNH ẢNH DỰ ÁN HẠ TẦNG
================================================== */

.infra-projects {
    position: relative;
    padding: 110px 0;
    overflow: hidden;
    background:
        radial-gradient(
            circle at 90% 10%,
            rgba(189, 145, 66, 0.12),
            transparent 32%
        ),
        #f4f1ea;
}

.infra-projects::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(24, 64, 57, 0.3),
        transparent
    );
}

.infra-projects .infra-container {
    position: relative;
    z-index: 2;
    width: min(1240px, calc(100% - 40px));
    margin: 0 auto;
}

/* Tiêu đề */

.infra-projects-heading {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    gap: 60px;
    align-items: end;
    margin-bottom: 46px;
}

.infra-projects-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    color: #b38942;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.infra-projects-label::before {
    content: "";
    width: 38px;
    height: 1px;
    background: currentColor;
}

.infra-projects-heading h2 {
    max-width: 720px;
    margin: 0;
    color: #183f39;
    font-size: clamp(38px, 4vw, 62px);
    font-weight: 500;
    line-height: 1.08;
    letter-spacing: -2px;
}

.infra-projects-heading h2 strong {
    display: block;
    color: #b38942;
    font-weight: 600;
}

.infra-projects-heading-right {
    padding-bottom: 7px;
}

.infra-projects-heading-right p {
    margin: 0 0 22px;
    color: #5e6966;
    font-size: 16px;
    line-height: 1.75;
}

.infra-projects-count {
    display: inline-flex;
    padding: 10px 16px;
    border: 1px solid rgba(24, 63, 57, 0.18);
    border-radius: 100px;
    color: #183f39;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

/* Lưới hình ảnh */

.infra-projects-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: 245px;
    gap: 18px;
}

.infra-project-card {
    position: relative;
    grid-column: span 5;
    width: 100%;
    height: 100%;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 22px;
    background: #183f39;
    box-shadow: 0 18px 40px rgba(20, 50, 45, 0.11);
    cursor: pointer;
    text-align: left;
    isolation: isolate;
}

.infra-project-card-featured {
    grid-column: span 7;
    grid-row: span 2;
}

.infra-project-card-wide {
    grid-column: span 6;
}

.infra-project-card img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition:
        transform 0.7s cubic-bezier(0.2, 0.75, 0.25, 1),
        filter 0.5s ease;
}

.infra-project-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(
            180deg,
            rgba(10, 31, 28, 0.04) 20%,
            rgba(10, 31, 28, 0.88) 100%
        );
    transition: background 0.45s ease;
}

.infra-project-content {
    position: absolute;
    right: 24px;
    bottom: 22px;
    left: 24px;
    z-index: 3;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 15px;
    align-items: end;
    color: #ffffff;
}

.infra-project-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
}

.infra-project-info {
    display: block;
    min-width: 0;
}

.infra-project-info small {
    display: block;
    margin-bottom: 6px;
    color: #dfbd7e;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.infra-project-info strong {
    display: block;
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.35;
}

.infra-project-card-featured .infra-project-info strong {
    max-width: 500px;
    font-size: 26px;
}

.infra-project-view {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(8px);
    font-size: 20px;
    transition:
        color 0.3s ease,
        background 0.3s ease,
        transform 0.3s ease;
}

.infra-project-card:hover img {
    transform: scale(1.07);
    filter: saturate(1.08);
}

.infra-project-card:hover .infra-project-overlay {
    background:
        linear-gradient(
            180deg,
            rgba(10, 31, 28, 0.02) 10%,
            rgba(10, 31, 28, 0.94) 100%
        );
}

.infra-project-card:hover .infra-project-view {
    color: #183f39;
    background: #dfbd7e;
    transform: rotate(45deg);
}

/* Hộp xem ảnh lớn */

body.infra-lightbox-open {
    overflow: hidden;
}

.infra-project-lightbox {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: rgba(7, 20, 18, 0.92);
    backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity 0.3s ease,
        visibility 0.3s ease;
}

.infra-project-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.infra-project-lightbox-dialog {
    position: relative;
    width: min(1100px, 100%);
    transform: translateY(20px) scale(0.98);
    transition: transform 0.35s ease;
}

.infra-project-lightbox.is-open .infra-project-lightbox-dialog {
    transform: translateY(0) scale(1);
}

.infra-project-lightbox-dialog img {
    display: block;
    width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 18px;
    background: #102b27;
}

.infra-project-lightbox-caption {
    padding-top: 18px;
    color: #ffffff;
}

.infra-project-lightbox-caption span {
    display: block;
    margin-bottom: 6px;
    color: #dfbd7e;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.infra-project-lightbox-caption h3 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(20px, 3vw, 30px);
    font-weight: 500;
}

.infra-project-lightbox-close {
    position: absolute;
    top: 22px;
    right: 28px;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0 0 5px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    font-family: Arial, sans-serif;
    font-size: 34px;
    line-height: 1;
    cursor: pointer;
    transition:
        color 0.3s ease,
        background 0.3s ease;
}

.infra-project-lightbox-close:hover {
    color: #183f39;
    background: #dfbd7e;
}

/* Máy tính bảng */

@media (max-width: 900px) {
    .infra-projects {
        padding: 80px 0;
    }

    .infra-projects-heading {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .infra-projects-heading h2 {
        letter-spacing: -1px;
    }

    .infra-projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: 280px;
    }

    .infra-project-card,
    .infra-project-card-wide {
        grid-column: span 1;
    }

    .infra-project-card-featured {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* Điện thoại */

@media (max-width: 600px) {
    .infra-projects {
        padding: 65px 0;
    }

    .infra-projects .infra-container {
        width: min(100% - 28px, 1240px);
    }

    .infra-projects-heading {
        margin-bottom: 30px;
    }

    .infra-projects-heading h2 {
        font-size: 34px;
        line-height: 1.12;
    }

    .infra-projects-heading-right p {
        font-size: 15px;
    }

    .infra-projects-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 265px;
        gap: 14px;
    }

    .infra-project-card,
    .infra-project-card-wide,
    .infra-project-card-featured {
        grid-column: span 1;
        grid-row: span 1;
    }

    .infra-project-card-featured {
        height: 380px;
    }

    .infra-project-content {
        right: 18px;
        bottom: 18px;
        left: 18px;
        grid-template-columns: auto minmax(0, 1fr);
    }

    .infra-project-view {
        display: none;
    }

    .infra-project-info strong,
    .infra-project-card-featured .infra-project-info strong {
        font-size: 18px;
    }

    .infra-project-lightbox {
        padding: 18px;
    }

    .infra-project-lightbox-close {
        top: 14px;
        right: 14px;
        width: 42px;
        height: 42px;
    }

    .infra-project-lightbox-dialog img {
        max-height: 68vh;
        border-radius: 12px;
    }
}

/* ==================================================
   NÚT XEM TẤT CẢ DỰ ÁN
================================================== */

/* Các ảnh từ số 6 trở đi */

.infra-project-card-extra {
    display: none;
    grid-column: span 4;
}

/* Hiện các ảnh khi bấm xem tất cả */

.infra-projects.is-expanded .infra-project-card-extra {
    display: block;
    animation: infraProjectReveal 0.5s ease both;
}

@keyframes infraProjectReveal {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Khu vực chứa nút */

.infra-projects-actions {
    display: flex;
    justify-content: center;
    margin-top: 42px;
}

/* Nút xem tất cả */

.infra-projects-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    min-width: 230px;
    min-height: 54px;
    padding: 14px 24px;
    border: 1px solid rgba(24, 63, 57, 0.25);
    border-radius: 100px;
    color: #183f39;
    background: transparent;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition:
        color 0.3s ease,
        background 0.3s ease,
        border-color 0.3s ease,
        transform 0.3s ease,
        box-shadow 0.3s ease;
}

.infra-projects-toggle:hover {
    color: #ffffff;
    border-color: #183f39;
    background: #183f39;
    box-shadow: 0 14px 30px rgba(24, 63, 57, 0.18);
    transform: translateY(-2px);
}

.infra-projects-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    color: #ffffff;
    background: #b38942;
    font-size: 17px;
    transition: transform 0.3s ease;
}

.infra-projects.is-expanded .infra-projects-toggle-icon {
    transform: rotate(180deg);
}

/* Máy tính bảng */

@media (max-width: 900px) {
    .infra-project-card-extra {
        grid-column: span 1;
    }
}

/* Điện thoại */

@media (max-width: 600px) {
    .infra-project-card-extra {
        grid-column: span 1;
    }

    .infra-projects-actions {
        margin-top: 30px;
    }

    .infra-projects-toggle {
        width: 100%;
        min-width: 0;
    }
}

.infra-projects-empty {
    grid-column: 1 / -1;
    padding: 60px 30px;
    border: 1px dashed rgba(24, 63, 57, 0.25);
    border-radius: 20px;
    color: #5e6966;
    background: rgba(255, 255, 255, 0.45);
    font-size: 16px;
    text-align: center;
}