/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-hero {
    padding: 80px 0;
    background-color: #f8fbff;
    position: relative;
    overflow: hidden;
}

.about-hero__content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.about-hero__badge-line {
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: #1b254b;
}

.about-hero__badge-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6b7280;
}

.about-hero__title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: #1b254b;
    line-height: 1.15;
    margin: 0;
}

.about-hero__title span {
    color: var(--theme, #E13833);
}

.about-hero__desc {
    font-size: 1.05rem;
    color: #6b7280;
    line-height: 1.7;
    max-width: 36rem;
    margin: 0;
}

.about-hero__actions {
    padding-top: 0.5rem;
}

.about-hero__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    background-color: #1b254b;
    color: #ffffff;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 0.375rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    transition: background-color 0.2s ease;
}

.about-hero__btn:hover {
    background-color: #151c3a;
}

/* Image side */
.about-hero__image-wrap {
    position: relative;
    border-radius: 1rem;
    overflow: visible;
}

.about-hero__image {
    width: 100%;
    height: auto;
    border-radius: 1rem;
    object-fit: cover;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
    display: block;
}

/* Badge card overlay */
.about-hero__badge-card {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background: #ffffff;
    padding: 1.25rem 1.5rem;
    border-radius: 0.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 767px) {
    .about-hero__badge-card {
        display: none;
    }
}

.about-hero__badge-icon {
    width: 3rem;
    height: 3rem;
    background: #f8fbff;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #1b254b;
    flex-shrink: 0;
}

.about-hero__badge-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1b254b;
    margin: 0;
}

.about-hero__badge-label {
    font-size: 0.8rem;
    color: #6b7280;
    margin: 0;
}

@media (max-width: 991px) {
    .about-hero {
        padding: 80px 0 60px;
    }

    .about-hero__image-wrap {
        margin-top: 3rem;
    }
}

/* ------------------------------------------------------------
   Mission & Values
   ------------------------------------------------------------ */
.about-mission {
    padding: 80px 0;
    background-color: #f8f8f9;
    border-top: 1px solid #e5e7eb;
}

.about-mission__header {
    max-width: 48rem;
    margin: 0 auto 4rem;
}

.about-mission__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.about-mission__badge-line {
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: #E13833;
}

.about-mission__badge-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #6b7280;
}

.about-mission__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 1rem;
}

.about-mission__subtitle {
    font-size: 1.05rem;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

.about-mission__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 991px) {
    .about-mission__grid {
        grid-template-columns: 1fr;
    }
}

.about-mission__card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: box-shadow 0.2s ease;
}

.about-mission__card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.about-mission__icon-wrap {
    width: 3.5rem;
    height: 3.5rem;
    background: #f8fbff;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #1b254b;
    margin-bottom: 1.5rem;
    border-top: 4px solid transparent;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.about-mission__card:hover .about-mission__icon-wrap {
    background-color: #1b254b;
    color: #ffffff;
    border-top-color: #E13833;
}

.about-mission__card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.75rem;
}

.about-mission__card-desc {
    font-size: 0.95rem;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

/* ------------------------------------------------------------
   Why Paris
   ------------------------------------------------------------ */
.why-paris {
    padding: 80px 0;
    background: #ffffff;
}

.why-paris__image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.why-paris__image-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.why-paris__image-col--offset {
    padding-top: 2rem;
}

.why-paris__img {
    width: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: block;
}

.why-paris__img--short { height: 12rem; }
.why-paris__img--tall  { height: 16rem; }

.why-paris__content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-left: 2rem;
}

@media (max-width: 991px) {
    .why-paris__content {
        padding-left: 0;
        margin-bottom: 2.5rem;
    }
}

.why-paris__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: #1b254b;
    margin: 0;
}

.why-paris__desc {
    font-size: 1.05rem;
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

.why-paris__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.why-paris__list-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: #1b254b;
    font-size: 0.95rem;
}

.why-paris__check {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: #f8fbff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1b254b;
    font-size: 0.65rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.why-paris__btn {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.625rem 1.5rem;
    background: #f8fbff;
    color: #1b254b;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 0.375rem;
    border: 1px solid #e5e7eb;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.why-paris__btn:hover {
    background-color: #e5e7eb;
}

/* ------------------------------------------------------------
   Leadership Message
   ------------------------------------------------------------ */
.about-message {
    padding: 80px 0;
    background: #ffffff;
}

.about-message__header {
    margin-bottom: 2rem;
}

.about-message__title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 1rem;
}

.about-message__divider {
    width: 5rem;
    height: 4px;
    background: #E13833;
    border-radius: 999px;
}

.about-message__body p {
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-message__quote {
    font-size: 1.2rem;
    font-weight: 500;
    color: #1b254b !important;
    line-height: 1.7;
}

.about-message__author {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f8f8f9;
    border-radius: 1rem;
    border: 1px solid #e5e7eb;
}

.about-message__avatar {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #E13833;
    flex-shrink: 0;
}

.about-message__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-message__author-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1b254b;
    margin: 0 0 0.25rem;
}

.about-message__author-role {
    font-size: 0.875rem;
    color: #E13833;
    font-weight: 500;
    margin: 0;
}

.about-message__quote-icon {
    font-size: 3rem;
    color: #1b254b;
    opacity: 0.15;
    margin-left: auto;
}

/* Sidebar */
.about-message__sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: sticky;
    top: 7rem;
}

.about-message__sidebar-card {
    background: #f8f8f9;
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid #e5e7eb;
}

.about-message__sidebar-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.75rem;
}

.about-message__sidebar-card p {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 1.25rem;
}

.about-message__sidebar-card--primary {
    background: #1b254b;
}

.about-message__sidebar-card--primary h3,
.about-message__sidebar-card--primary p {
    color: #ffffff;
}

.about-message__sidebar-card--primary p {
    color: rgba(255,255,255,0.75);
}

.about-message__sidebar-link {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: #ffffff;
    color: #1b254b;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.2s;
}

.about-message__sidebar-link:hover { background: #f3f4f6; }

.about-message__sidebar-icon {
    width: 3rem;
    height: 3rem;
    background: #ffffff;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #1b254b;
    margin-bottom: 1rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.about-message__sidebar-text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #1b254b;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
}

.about-message__sidebar-text-link:hover { text-decoration: underline; }

.about-message__sidebar-outline-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    border: 2px solid #1b254b;
    color: #1b254b;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
}

.about-message__sidebar-outline-link:hover {
    background: #1b254b;
    color: #ffffff;
}

/* ------------------------------------------------------------
   Leadership Board
   ------------------------------------------------------------ */
.about-leadership {
    padding: 80px 0;
    background: #f8f8f9;
}

.about-leadership__header {
    margin-bottom: 3rem;
}

.about-leadership__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.75rem;
}

.about-leadership__subtitle {
    color: #6b7280;
    font-size: 1.05rem;
    margin: 0;
}

.about-leadership__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

@media (max-width: 991px) {
    .about-leadership__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
    .about-leadership__grid { grid-template-columns: 1fr; }
}

.about-leadership__card {
    background: #ffffff;
    border-radius: 0.75rem;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.about-leadership__card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.08); }

.about-leadership__photo-wrap {
    height: 16rem;
    overflow: hidden;
    background: #f3f4f6;
}

.about-leadership__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-leadership__card:hover .about-leadership__photo { transform: scale(1.05); }

.about-leadership__info {
    padding: 1.5rem;
    text-align: center;
}

.about-leadership__name {
    font-size: 1rem;
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.25rem;
}

.about-leadership__role {
    font-size: 0.875rem;
    color: #E13833;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.about-leadership__socials {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.about-leadership__social-link {
    color: #6b7280;
    font-size: 1rem;
    text-decoration: none;
    transition: color 0.2s;
}

.about-leadership__social-link:hover { color: #1b254b; }

/* ------------------------------------------------------------
   Campus
   ------------------------------------------------------------ */
.about-campus {
    padding: 80px 0;
    background: #f8f8f9;
}

.about-campus__header {
    margin-bottom: 3rem;
}

.about-campus__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.75rem;
}

.about-campus__subtitle {
    color: #6b7280;
    max-width: 40rem;
    margin: 0 auto;
}

.about-campus__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

@media (max-width: 991px) {
    .about-campus__grid { grid-template-columns: 1fr; }
}

.about-campus__card {
    background: #ffffff;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    transition: box-shadow 0.2s;
}

.about-campus__card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1); }

.about-campus__img-wrap {
    height: 12rem;
    overflow: hidden;
}

.about-campus__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-campus__card:hover .about-campus__img { transform: scale(1.05); }

.about-campus__body {
    padding: 2rem;
}

.about-campus__tag {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-campus__tag--blue { background: #eff6ff; color: #1b254b; }
.about-campus__tag--yellow { background: #fefce8; color: #854d0e; }
.about-campus__tag--green { background: #f0fdf4; color: #166534; }

.about-campus__card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1b254b;
    margin-bottom: 0.75rem;
}

.about-campus__card-desc {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.about-campus__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #1b254b;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: gap 0.2s;
}

.about-campus__link:hover { gap: 0.75rem; }

/* ------------------------------------------------------------
   History Timeline
   ------------------------------------------------------------ */
.about-timeline {
    padding: 80px 0;
    background: #1b254b;
    color: #ffffff;
}

.about-timeline__header { margin-bottom: 3rem; }

.about-timeline__title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.about-timeline__subtitle { color: rgba(255,255,255,0.65); font-size: 1rem; margin: 0; }

.about-timeline__track {
    max-width: 44rem;
    margin: 0 auto;
    position: relative;
    padding: 1rem 0;
}

/* Vertical line chạy giữa track */
.about-timeline__line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    margin-left: -1px;
    background: rgba(100,160,255,0.3);
}

.about-timeline__item {
    display: flex;
    margin-bottom: 3.5rem;
    width: 100%;
    position: relative;
}

.about-timeline__item:last-child { margin-bottom: 0; }

/* Content chiếm nửa trái hoặc phải */
.about-timeline__content {
    width: calc(50% - 1.5rem);
}

/* Dot nằm absolute giữa line */
.about-timeline__dot-wrap {
    position: absolute;
    left: 50%;
    top: 0.3rem;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Spacer chiếm nửa còn lại */
.about-timeline__spacer {
    width: calc(50% - 1.5rem);
}

/* Left: content bên trái, text align right */
.about-timeline__item--left .about-timeline__content {
    text-align: right;
    order: 1;
    margin-right: 3rem;
}
.about-timeline__item--left .about-timeline__dot-wrap { order: 2; }
.about-timeline__item--left .about-timeline__spacer   { order: 3; }

/* Right: spacer bên trái, content bên phải */
.about-timeline__item--right .about-timeline__spacer   { order: 1; }
.about-timeline__item--right .about-timeline__dot-wrap { order: 2; }
.about-timeline__item--right .about-timeline__content  {
    text-align: left;
    order: 3;
    margin-left: 3rem;
}

.about-timeline__dot {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: transparent;
    border: 2px solid #74b3ff;
    box-shadow: 0 0 0 4px rgba(116,179,255,0.15);
    flex-shrink: 0;
}

.about-timeline__year {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
    line-height: 1;
}

.about-timeline__event {
    font-size: 0.95rem;
    font-weight: 600;
    color: #74b3ff;
    margin-bottom: 0.5rem;
}

.about-timeline__desc {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
    margin: 0;
    max-width: 18rem;
}

.about-timeline__item--left .about-timeline__desc  { margin-left: auto; }
.about-timeline__item--right .about-timeline__desc { margin-right: auto; }

@media (max-width: 767px) {
    .about-timeline__line { left: 0.75rem; }
    .about-timeline__item { flex-direction: column; align-items: flex-start; padding-left: 2.5rem; }
    .about-timeline__item--left .about-timeline__content,
    .about-timeline__item--right .about-timeline__content { text-align: left; padding: 0; order: 2; }
    .about-timeline__item--left .about-timeline__desc,
    .about-timeline__item--right .about-timeline__desc { margin: 0; max-width: 100%; }
    .about-timeline__dot-wrap { position: absolute; left: 0; top: 0.25rem; order: 1; }
    .about-timeline__spacer { display: none; }
}