/* Trang giới thiệu — style riêng */
/* Thêm style cụ thể cho trang này tại đây */

/* Loại bỏ khoảng trắng do global .has-nav tạo ra */
.has-nav {
    padding-top: 0 !important;
}

/* Hero Mới Trang Giới Thiệu */
.about-hero {
    background-color: #0000da;
    padding: 5.5rem 5% 11rem;
    position: relative;
    overflow: visible;
}

.about-hero__container {
    position: relative;
    max-width: 1300px;
    margin: 0 auto;
}

.about-hero__title {
    font-size: clamp(4.1rem, 9.2vw, 8.5rem);
    line-height: 1.2;
    font-weight: 800;
    margin: 0;
    text-transform: none;
    z-index: 2;
    position: relative;
    transform: translateY(-1.5rem);
    /* Dịch chuyển chữ lên trên mà không ảnh hưởng chiều cao khối xanh */
}

.about-hero__outline {
    display: block;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 1);
    color: transparent;
    font-weight: 800;
    margin-bottom: -0.16em;
    /* Giảm 40% khoảng cách giữa 2 dòng */
}

.about-hero__dynamic-wrapper {
    display: block;
    overflow: hidden;
    height: 1.4em;
    vertical-align: bottom;
}

.about-hero__dynamic-list {
    margin: 0;
    padding: 0;
    list-style: none;
    transform: translateY(-2em);
    /* Dịch chuyển ban đầu để căn giữa dòng đầu tiên (item-middle) */
}

.about-hero__dynamic-list li {
    height: 1.8em;
    line-height: 1.8em;
    color: #ffffff;
    font-weight: 700;
    white-space: nowrap;
}

.about-hero__mascot {
    position: absolute;
    right: 0;
    bottom: -11rem;
    /* Bằng với padding-bottom của .about-hero để mép dưới mascot nằm ngay viền */
    transform: translateY(30%);
    /* Dịch chuyển xuống 30% để 70% hình nằm trên nền xanh */
    width: clamp(157px, 31.3vw, 397px);
    z-index: 10;
}

.about-hero__mascot img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .about-hero {
        padding: 3.5rem 5% 7.5rem;
    }

    .about-hero__title {
        font-size: clamp(2.8rem, 8.5vw, 4.1rem);
        transform: translateY(-1rem);
        /* Dịch chữ lên trên ở mobile */
    }

    .about-hero__mascot {
        bottom: -7.5rem;
        /* Bằng padding-bottom của mobile */
        right: 0;
    }
}

/* Dự án đã thực hiện */
.dlf-next-projects {
    padding: 100px 0;
    background-color: #fff;
}

.dlf-next-projects__container {
    max-width: none;
    margin: 0 auto;
    padding: 0 4rem;
}

.dlf-next-projects__title {
    font-size: 42px;
    font-weight: 700;
    color: #5a5756;
    margin-bottom: 50px;
}

.dlf-next-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 60px;
}

.dlf-next-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.dlf-next-card__img {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 7.5px;
    margin-bottom: 20px;
}

.dlf-next-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.dlf-next-card:hover .dlf-next-card__img img {
    transform: scale(1.05);
}

.dlf-next-card__title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 8px;
    text-transform: uppercase;
    color: #221f1f;
}

.dlf-next-card__desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

/* Button */
.dlf-next-footer {
    text-align: center;
}

.dlf-btn-more {
    display: inline-block;
    padding: 12px 35px;
    border: 1px solid #e85c3f;
    color: #e85c3f;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
}

.dlf-btn-more::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 10px;
    height: 10px;
    background-color: #e85c3f;
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.dlf-btn-more:hover {
    background-color: #e85c3f;
    color: #fff;
}

@media (max-width: 1024px) {
    .dlf-next-projects__container {
        padding: 0 10px;
    }

    .dlf-next-projects__title {
        font-size: 32px;
        margin-bottom: 30px;
    }

    .dlf-next-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Gallery Intro Grid Section */
.about-intro {
    padding: 8rem 0;
    background-color: #ffffff;
    margin-top: 60px;
    /* Cách top thêm 60px */
}

.about-intro__container {
    max-width: 100%;
    width: 100%;
    padding: 0 3%;
    margin: 0 auto;
}

.about-intro__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Base styles for items */
.about-intro__item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

/* Staggered text alignments */
.about-intro__text-1 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: #0000da;
    line-height: 1.25;
    text-align: right;
    padding-bottom: 20px;
    margin-top: -50px;
    font-family: 'Be Vietnam Pro', sans-serif;
    position: relative;
    z-index: 2;
}

.about-intro__text-2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: #0000da;
    line-height: 1.25;
    text-align: left;
    padding-bottom: 20px;
    font-family: 'Be Vietnam Pro', sans-serif;
}

.about-intro__text-3 {
    font-size: clamp(1.4rem, 2.8vw, 2.1rem);
    font-weight: 700;
    color: #0000da;
    line-height: 1.35;
    text-align: right;
    padding-top: 30px;
    padding-bottom: 20px;
    font-family: 'Be Vietnam Pro', sans-serif;
}

/* Card images with overlays */
.about-intro__img-hug {
    position: relative;
    overflow: hidden;
    margin-top: -60%;
    /* Ăn lên trên 60% */
    z-index: 1;
}

.about-intro__img-hug img {
    width: 100%;
    height: auto;
    border-radius: 24px;
}

.about-intro__overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    text-align: center;
    color: #ffffff;
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.about-intro__img-meeting {
    position: relative;
    overflow: hidden;
    grid-column: 2 / span 2;
    grid-row: 3 / span 2;
}

.about-intro__img-meeting img {
    width: 100%;
    height: auto;
    border-radius: 24px;
}

.about-intro__overlay-text-bottom {
    position: absolute;
    bottom: 12%;
    right: 12%;
    color: #ffffff;
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    text-align: right;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* Specific item placement to create the puzzle */
.about-intro__img-sketch {
    grid-column: 2;
    grid-row: 1;
}

.about-intro__logo-delta {
    grid-column: 2;
    grid-row: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.about-intro__logo-delta img {
    width: 80%;
    height: auto;
}

.about-intro__img-sticky {
    grid-column: 3;
    grid-row: 2;
}

.about-intro__img-small-meeting {
    grid-column: 1;
    grid-row: 4;
    width: 75%;
    margin-left: auto;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .about-intro {
        padding: 4rem 0;
    }

    .about-intro__container {
        padding: 0 20px;
    }

    .about-intro__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-intro__img-sketch,
    .about-intro__logo-delta,
    .about-intro__img-sticky,
    .about-intro__img-meeting,
    .about-intro__img-small-meeting {
        grid-column: auto;
        grid-row: auto;
    }

    .about-intro__img-small-meeting {
        width: 100%;
        margin-left: 0;
    }

    .about-intro__img-hug {
        margin-top: 0;
        /* Reset đè lên trên mobile */
    }

    .about-intro__text-1 {
        margin-top: 0;
        /* Reset margin-top trên mobile */
    }

    .about-intro__text-1,
    .about-intro__text-2,
    .about-intro__text-3 {
        text-align: center;
        padding: 10px 0;
    }

    .about-intro__logo-delta img {
        width: 50%;
        max-width: 200px;
    }
}

/* Full Width Image Section */
.about-full-img {
    width: 100%;
    margin-top: 4rem;
    /* Tăng khoảng cách cách top gấp 1.5 lần (8rem padding + 4rem margin = 12rem) */
    margin-bottom: 0;
    /* Khít với hình gif bên dưới */
    overflow: hidden;
    display: block;
}

.about-full-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* Quote Section */
.about-quote {
    padding: 6rem 0;
    background-color: #ffffff;
}

.about-quote__container {
    max-width: 1400px;
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    box-sizing: border-box;
}

.about-quote__content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
}

.about-quote__logo {
    flex: 0 0 30%;
    display: flex;
    justify-content: center;
}

.about-quote__logo img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
}

.about-quote__text {
    flex: 0 0 70%;
    padding-right: 5%;
    box-sizing: border-box;
}

.about-quote__text p {
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    line-height: 1.8;
    color: #0000da;
    font-weight: 300;
    font-family: 'Be Vietnam Pro', sans-serif;
    text-align: left;
}

.about-quote__text strong {
    font-weight: 800;
}

@media (max-width: 768px) {
    .about-quote {
        padding: 4rem 0;
    }

    .about-quote__container {
        padding: 0 20px;
    }

    .about-quote__content {
        flex-direction: column;
        gap: 30px;
    }

    .about-quote__logo,
    .about-quote__text {
        flex: 0 0 100%;
    }

    .about-quote__text {
        padding-right: 0;
    }

    .about-quote__logo img {
        max-width: 180px;
        margin: 0 auto;
    }

    .about-quote__text p {
        font-size: 1.25rem;
        line-height: 1.7;
        text-align: left;
    }
}

/* GIF Section */
.about-gif {
    width: 100%;
    margin-bottom: 6rem;
    overflow: hidden;
    display: block;
}

.about-gif img {
    width: 100%;
    height: auto;
    display: block;
}

/* Graphic/Diagram Section */
.about-graphic {
    padding: 6rem 0;
    background-color: #ffffff;
}

.about-graphic__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

.about-graphic img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 768px) {
    .about-graphic {
        padding: 4rem 0;
    }
}

/* Why Andrea Section */
.about-why {
    background-color: #0000da;
    padding: 8rem 0;
    color: #ffffff;
}

.about-why__container {
    max-width: 1400px;
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-sizing: border-box;
}

.about-why__title-col {
    flex: 0 0 50%;
}

.about-why__title {
    font-size: clamp(3.2rem, 6.2vw, 5.5rem);
    line-height: 1.15;
    font-weight: 800;
    color: #ffffff;
    margin: 0;
    text-transform: none;
    font-family: 'Be Vietnam Pro', sans-serif;
}

.about-why__desc-col {
    flex: 0 0 50%;
    padding-right: 10%;
    box-sizing: border-box;
}

.about-why__desc-col p {
    color: #ffffff;
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: clamp(1.1rem, 1.6vw, 1.3rem);
    line-height: 1.8;
    margin: 0;
}

.about-why__highlight {
    font-weight: 500;
    margin-bottom: 1.5rem !important;
}

.about-why__text {
    font-weight: 300;
}

@media (max-width: 768px) {
    .about-why {
        padding: 5rem 0;
    }

    .about-why__container {
        flex-direction: column;
        align-items: flex-start;
        gap: 40px;
    }

    .about-why__title-col,
    .about-why__desc-col {
        flex: 0 0 100%;
        width: 100%;
        padding-right: 0;
    }

    .about-why__title {
        font-size: clamp(2.2rem, 7.5vw, 3.2rem);
    }

    .about-why__desc-col p {
        font-size: 1.1rem;
        line-height: 1.7;
    }
}

/* Collection by Andrea Section (Split Vertical layout with 3D Helix) */
.about-collection-split {
    background-color: #ffffff;
    color: #000000;
    display: flex;
    border-top: 1px solid #e7e6e2;
    border-bottom: 1px solid #e7e6e2;
    position: relative;
    height: 100vh;
    overflow: hidden;
}

/* Left Sticky Column */
.about-collection-info {
    grid-column-gap: 1em;
    grid-row-gap: 1em;
    flex-flow: column;
    justify-content: center; /* Center title vertically */
    width: 29em;
    height: 100vh;
    display: flex;
    position: sticky;
    top: 0;
    padding: 3rem 0 3rem 3.5rem; /* padding-right: 0 */
    box-sizing: border-box;
    flex-shrink: 0;
}

.about-collection-title-wrap {
    display: block;
}

.about-collection__title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: #0000da; /* Blue color matching das info */
    font-weight: 800;
    line-height: 1.2;
    margin: 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-family: 'Be Vietnam Pro', sans-serif;
}

.about-collection__dot {
    width: 24px;
    height: 24px;
    background-color: #e85c3f;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    margin-top: 0.35em;
}

/* Right Scrolling Helix Column */
.about-collection-scroll {
    flex: 1;
    position: relative;
    perspective: 550vw;
    /* Extra padding at top & bottom so items enter/exit nicely */
    padding-top: calc(100vh - 10vw);
    padding-bottom: 100vh;
    height: 100vh;
    overflow: hidden;
}

.about-collection-container {
    width: 100%;
    /* transform-style: preserve-3d; Removed to allow z-index to dictate stacking */
}

.about-collection-item {
    position: relative;
    will-change: transform;
    width: 100%;
    /* Stack them vertically with overlap */
    margin-top: -16vw;
    margin-left: auto;
    margin-right: auto;
    /* transform-style: preserve-3d; Removed */
}

.about-collection-img {
    aspect-ratio: 800 / 1078;
    object-fit: cover;
    width: 20vw;
    display: block;
    border-radius: 0; /* Không bo góc */
    /* box-shadow: 0 10px 40px rgba(0,0,0,0.5); Removed */
    transform: scaleX(-1); /* Mirror images to match reference style if needed */
}

/* Responsive Styles for Mobile */
@media (max-width: 991px) {
    .about-collection-split {
        display: block;
        background-color: #ffffff; /* Nền trắng */
        position: relative;
    }

    .about-collection-info {
        width: 100%;
        height: 100vh;
        position: absolute;
        top: 0;
        left: 0;
        border-right: none;
        border-bottom: none;
        padding: 5vw 5vw 20px 5vw; /* Đẩy chữ sát mép dưới cách 20px */
        flex-shrink: 0;
        z-index: 1; /* Nằm dưới lớp hình */
        justify-content: flex-end; /* Căn chữ xuống đáy */
    }

    .about-collection__title {
        color: #0000da; /* Chữ xanh giống desktop */
        font-size: 9vw; /* Thu nhỏ cỡ chữ để không bị hình đè mất chữ */
        line-height: 1.4; /* Tăng khoảng cách dòng để chữ không bị dính nhau */
        text-transform: uppercase;
    }
    
    /* Bỏ ẩn dấu chấm tròn để giống hoàn toàn desktop */
    .about-collection__dot {
        display: inline-block;
        width: 4vw; /* Thu nhỏ dấu chấm theo chữ */
        height: 4vw;
        margin-top: 0.2em;
    }

    .about-collection-scroll {
        position: relative;
        z-index: 2; /* Nổi lên trên lớp chữ */
        perspective: 400vw;
        padding-top: 15vh;
        padding-bottom: 20vh;
        height: 100vh;
        overflow: hidden;
    }

    .about-collection-item {
        margin-top: -30vw;
    }

    .about-collection-img {
        width: 45vw;
        margin-left: auto;
        margin-right: auto;
        transform: none; /* Không lật ngược hình trên mobile */
    }
}