/* About Us v2 CSS */
:root {
    --au-primary: #3d7ca7;
    --au-primary-light: rgba(61, 124, 167, 0.4);
    --au-secondary: #4cc2b4;
    --au-secondary-light: rgba(76, 194, 180, 0.4);
    --au-tertiary: #7dc63b;
    --au-text: #292929;
    --au-text-light: #818181;
    --au-bg-light: #f6f6f6;
    --au-font-phudu: 'Phudu', sans-serif;
    --au-font-inter: 'Inter Tight', sans-serif;
}

.about-us-v2 {
    font-family: var(--au-font-inter);
    color: var(--au-text);
}

.about-us-v2 h1, .about-us-v2 h2, .about-us-v2 h3 {
    font-family: var(--au-font-phudu);
    font-weight: 700;
}

/* Base styles for containers */
.au2-intro__container,
.au2-history__container,
.au2-vision__container,
.au2-direction__container,
.au2-activity__container,
.au2-factory__container {
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* =========================================
   HERO
========================================= */
.au2-hero {
    position: relative;
    height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.au2-hero__breadcrumb .breadcrumb-separator {
    width: auto;
    height: auto;
    font-size: 14px;
    line-height: normal;
}

.au2-hero__breadcrumb .breadcrumb-separator i {
    display: none;
}

.au2-hero__breadcrumb .breadcrumb-separator::before {
    content: "/";
}

/* =========================================
   INTRO
========================================= */
.au2-intro {
    padding: 80px 0;
    background-color: var(--au-secondary);
}

.au2-intro__layout {
    display: flex;
    gap: 40px;
    align-items: center;
}

.au2-intro__content {
    flex: 1;
    color: #ffffff;
    font-size: 18px;
    line-height: 1.6;
}

.au2-intro__content h1,
.au2-intro__content h2,
.au2-intro__content h3,
.au2-intro__content h4 {
    font-family: var(--au-font-phudu);
    font-size: clamp(2rem, 3.5vw, 48px);
    line-height: 1.25;
    color: #ffffff;
    margin-bottom: 24px;
    font-weight: 700;
}

.au2-intro__content p {
    margin-bottom: 20px;
    color: #ffffff;
}

.au2-intro__content p:last-child {
    margin-bottom: 0;
}

.au2-intro__content strong,
.au2-intro__content b {
    color: #ffffff;
    font-weight: 700;
}

.au2-intro__media {
    width: 40%;
    border-radius: 8px;
    overflow: hidden;
}

.au2-intro__img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.au2-intro__stats {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
}

.au2-intro__stat-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    flex: 1;
    min-width: 0;
    padding: 40px 24px 0;
}

.au2-intro__stat-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    overflow: hidden;
}

.au2-intro__stat-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.au2-intro__stat-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: flex-end;
    color: #fff;
}

.au2-intro__stat-number {
    font-size: clamp(40px, 6vw, 84px);
    line-height: 0.9;
    color: #fff;
    margin: 0;
}

.au2-intro__stat-label {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 18px;
    line-height: 24px;
    color: #fff;
    margin: 0;
}

/* =========================================
   MAIN CONTENT
========================================= */
.au2-main-content {
    padding: 60px 0;
    background-color: #ffffff;
}

.au2-main-content__container {
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.au2-main-content__body {
    font-size: 17px;
    line-height: 1.8;
    color: var(--au-text, #292929);
}

.au2-main-content__body p {
    margin-bottom: 1.25rem;
}

.au2-main-content__body p:last-child {
    margin-bottom: 0;
}

.au2-main-content__body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5rem auto;
    display: block;
}

/* =========================================
   HISTORY
========================================= */
.au2-history {
    padding: 80px 0;
}

.au2-history__title {
    font-size: clamp(24px, 3.5vw, 48px);
    line-height: 1.25;
    color: var(--au-primary);
    text-align: center;
    margin: 0 0 40px;
    text-transform: uppercase;
}

.au2-history__timeline {
    position: relative;
    margin-bottom: 40px;
}

.au2-history__line {
    position: absolute;
    top: 56px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #e6e6e6;
}

.au2-history__nav {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    min-height: 66px;
    padding: 0 64px;
    overflow-x: auto;
    scrollbar-width: none;
}

.au2-history__nav-item {
    background: none;
    border: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.au2-history__nav-year {
    font: 400 20px/1.4 var(--au-font-inter);
    color: #bdbdbd;
    transition: color .2s;
}

.au2-history__nav-dot {
    position: relative;
    width: 24px;
    height: 24px;
}

.au2-history__nav-dot::before {
    content: '';
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    background-color: #bdbdbd;
    transition: all .2s;
}

.au2-history__nav-item:hover .au2-history__nav-year {
    color: var(--au-primary);
}

.au2-history__nav-item.is-active .au2-history__nav-year {
    color: var(--au-primary);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.35;
}

.au2-history__nav-item.is-active .au2-history__nav-dot::before {
    inset: 0;
    background-color: #fff;
    border: 1px solid var(--au-primary);
    box-shadow: inset 0 0 0 5px #fff, inset 0 0 0 12px var(--au-primary);
}

.au2-history__content-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    padding: 0 16px;
}

.au2-history__slides {
    flex: 0 1 1400px;
    min-width: 0;
}

.au2-history__arrow {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 80px;
    border: 1px solid #fff;
    background: rgba(0, 0, 0, 0.15);
    color: #fff;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background .2s;
}

.au2-history__arrow:hover {
    background: var(--au-primary);
}

.au2-history__content {
    display: none;
    background-color: var(--au-bg-light);
    border-radius: 8px;
    padding: 40px;
}

.au2-history__content.is-active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.au2-history__card {
    display: flex;
    gap: 80px;
    align-items: center;
}

.au2-history__media {
    width: 640px;
    height: 426px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.au2-history__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.au2-history__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
}

.au2-history__info-year {
    font-size: 60px;
    line-height: 1.4;
    color: var(--au-primary);
    margin: 0;
}

.au2-history__info-line {
    height: 1px;
    background-color: var(--au-primary-light);
}

.au2-history__info-desc {
    font-size: 18px;
    line-height: 1.4;
    color: var(--au-text);
    text-align: justify;
}

.au2-history__info-desc ul {
    padding-left: 27px;
    margin: 0;
    list-style: disc;
}

/* =========================================
   VISION
========================================= */
.au2-vision {
    padding: 80px 0;
    background-color: rgba(76, 194, 180, 0.08);
}

.au2-vision__title {
    font-size: clamp(24px, 3.5vw, 48px);
    color: var(--au-primary);
    text-align: center;
    margin-bottom: 40px;
    text-transform: uppercase;
}

.au2-vision__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.au2-vision__card {
    display: flex;
    flex-direction: column;
    border-radius: 8px;
    overflow: hidden;
}

.au2-vision__card-body {
    padding: 40px;
    color: #fff;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.au2-vision__card-title {
    font-size: 24px;
    line-height: 1.35;
    font-family: var(--au-font-inter);
    margin: 0;
}

.au2-vision__card-desc {
    font-size: 18px;
    line-height: 1.4;
    text-align: justify;
}

.au2-vision__card-media {
    position: relative;
    flex-shrink: 0;
    width: 100%;
    aspect-ratio: 16 / 9;
}

.au2-vision__card-media img {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.au2-vision__card--primary .au2-vision__card-body { background-color: var(--au-secondary); }
.au2-vision__card--secondary .au2-vision__card-body { background-color: var(--au-tertiary); }
.au2-vision__card--tertiary .au2-vision__card-body { background-color: var(--au-primary); }

/* =========================================
   DIRECTION
========================================= */
.au2-direction {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 25vw;
    padding: 60px 0;
    background-color: var(--au-secondary);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.au2-direction__content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: #fff;
    max-width: 800px;
    margin: 0 auto;
}

.au2-direction__title {
    font-size: clamp(24px, 3.5vw, 48px);
    margin-bottom: 40px;
    text-transform: uppercase;
}

.au2-direction__desc {
    font-size: 18px;
    line-height: 1.4;
}

/* =========================================
   ACTIVITY
========================================= */
.au2-activity {
    position: relative;
    min-height: 880px;
    padding: 100px 0;
}

.au2-activity__container {
    max-width: 1440px;
}

.au2-activity__bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: #000;
    mask: url('../images/about-us/activity-mask.svg') center / 100% 100% no-repeat;
}
.au2-activity__bg-img {
    display: block;
    width: 100%; height: 100%; object-fit: cover; opacity: 0.8;
}

.au2-activity__layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    position: relative;
    z-index: 10;
}

.au2-activity__list {
    background: linear-gradient(to bottom, rgba(61,124,167,0.4), rgba(76,194,180,0.4));
    backdrop-filter: blur(2px);
    border: 1px solid #fff;
    border-radius: 8px;
    padding: 40px;
    flex: 0 0 auto;
    width: max-content;
    max-width: 100%;
}

.au2-activity__item {
    display: flex;
    gap: 18px;
    align-items: center;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    color: #fff;
    font: 400 20px/1.4 var(--au-font-inter);
    text-align: left;
    opacity: 0.4;
    cursor: pointer;
    transition: opacity 0.3s;
}

.au2-activity__item.is-active,
.au2-activity__item:hover,
.au2-activity__item:focus-visible {
    opacity: 1;
}

.au2-activity__item:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 6px;
}

.au2-activity__item-dot {
    width: 12px;
    height: 12px;
    background-color: #fff;
    flex-shrink: 0;
}

.au2-activity__line {
    width: 12px;
    height: 20px;
    margin: 8px 0;
    text-align: center;
    display: flex;
    justify-content: center;
}
.au2-activity__line img {
    display: block;
}

.au2-activity__content {
    color: #fff;
    flex: 1;
    min-width: 0;
}

.au2-activity__title {
    font-size: clamp(28px, 4.5vw, 60px);
    line-height: 1.3;
    margin: 0 0 20px;
    text-transform: uppercase;
}

.about-us-v2 .au2-activity__display-item {
    display: none;
}

.about-us-v2 .au2-activity__display-item.is-active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.about-us-v2 .au2-activity__display-name {
    font: 400 36px/1.3 var(--au-font-inter);
    margin: 0 0 16px;
}

.about-us-v2 .au2-activity__display-desc {
    font: 400 18px/1.6 var(--au-font-inter);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
}

.about-us-v2 .au2-activity__display-content {
    font: 400 16px/1.6 var(--au-font-inter);
    color: rgba(255, 255, 255, 0.85);
}

.about-us-v2 .au2-activity__display-content p {
    margin-bottom: 10px;
}

/* =========================================
   FACTORY
========================================= */
.au2-factory {
    padding: 80px 0;
    background-color: rgba(76, 194, 180, 0.08);
}

.au2-factory__head {
    text-align: center;
    margin-bottom: 40px;
    max-width: 920px;
    margin: 0 auto 40px;
}

.au2-factory__title {
    font-size: clamp(24px, 3.5vw, 48px);
    color: var(--au-primary);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.au2-factory__desc {
    font-size: 18px;
    color: var(--au-text);
    line-height: 1.4;
}

.au2-factory__media {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.au2-factory__nav {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: rgba(0,0,0,0.15);
    border: 1px solid #fff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
}

.au2-factory__img-wrapper {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    height: 787px;
}

.au2-factory__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* =========================================
   ANIMATIONS & MEDIA QUERIES
========================================= */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 991px) {
    .au2-hero { height: 400px; }
    .au2-hero__title { font-size: 32px; }

    .au2-subnav__container {
        justify-content: flex-start;
        padding-inline: 16px;
        -webkit-overflow-scrolling: touch;
        gap: 20px;
    }

    .au2-intro { padding: 60px 0; }
    .au2-intro__layout { flex-direction: column; gap: 32px; }
    .au2-intro__media { width: 100%; }
    .au2-intro__stats { flex-direction: column; }
    .au2-intro__stat-item { padding: 24px 0; border-top: 1px solid rgba(255, 255, 255, 0.2); }

    .au2-history { padding: 60px 0; }
    .au2-history__card { flex-direction: column; gap: 32px; }
    .au2-history__media { width: 100%; height: auto; aspect-ratio: 16 / 10; }
    .au2-history__arrow { display: none; }
    .au2-history__nav { padding: 0 16px; gap: 20px; }
    .au2-history__info-year { font-size: 40px; }

    .au2-vision { padding: 60px 0; }
    .au2-vision__grid { grid-template-columns: 1fr; gap: 20px; }

    .au2-direction { padding: 60px 0; min-height: auto; }

    .au2-activity { min-height: auto; padding: 60px 0; }
    .au2-activity__layout { flex-direction: column; gap: 32px; }
    .au2-activity__list { flex-basis: auto; width: 100%; padding: 24px; }
    .au2-activity__title { font-size: clamp(28px, 5vw, 48px); }
    .about-us-v2 .au2-activity__display-name { font-size: 28px; }

    .au2-factory { padding: 60px 0; }
    .au2-factory__img-wrapper { height: 400px; }
}

@media (max-width: 575px) {
    .au2-hero { height: 280px; }
    .au2-hero__title { font-size: 24px; }

    .au2-intro,
    .au2-history,
    .au2-vision,
    .au2-direction,
    .au2-activity,
    .au2-factory {
        padding: 40px 0;
    }

    .au2-intro__content { font-size: 16px; }
    .au2-intro__stat-number { font-size: 48px; }
    .au2-intro__stat-label { font-size: 16px; }

    .au2-history__content { padding: 20px 16px; }
    .au2-history__info-desc { font-size: 16px; text-align: left; }
    .au2-history__info-year { font-size: 32px; }

    .au2-vision__card-body { padding: 24px 16px; gap: 12px; }
    .au2-vision__card-desc { font-size: 16px; text-align: left; }

    .au2-direction__desc { font-size: 16px; }

    .au2-activity__item { font-size: 16px; min-height: 44px; }
    .about-us-v2 .au2-activity__display-name { font-size: 22px; }
    .about-us-v2 .au2-activity__display-desc { font-size: 16px; }
    .about-us-v2 .au2-activity__display-content { font-size: 15px; }

    .au2-factory__img-wrapper { height: 260px; border-radius: 8px; }
    .au2-factory__media { gap: 12px; }
    .au2-factory__nav { width: 44px; height: 44px; font-size: 16px; touch-action: manipulation; }
    .au2-factory__desc { font-size: 16px; }
}

/* Sub navigation */
.au2-subnav { position: sticky; top: var(--au-sticky-top, 0px); z-index: 30; background: #fff; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06); }
.au2-subnav__container { display: flex; align-items: center; justify-content: space-between; gap: 24px; overflow-x: auto; scrollbar-width: none; }
.au2-subnav__item { flex-shrink: 0; padding: 20px 0; font: 700 18px/1.4 var(--au-font-inter); color: var(--au-text-light); white-space: nowrap; text-decoration: none; transition: color .2s; }
.au2-subnav__item:hover, .au2-subnav__item.is-active { color: var(--au-primary); }
html { scroll-behavior: smooth; }
.au2-intro, .au2-history, .au2-vision, .au2-direction, .au2-activity, .au2-factory, .au2-gallery { scroll-margin-top: calc(var(--au-sticky-top, 0px) + 80px); }
@media (max-width: 767px) { .au2-subnav__item { font-size: 16px; padding: 14px 0; } }