/* 50K About Page Isolation Styles */
.about-page-wrapper {
    --about-navy: #1a2a3a;
    --about-orange: var(--primary-orange, #E67E22);
    --about-muted: #888;
    background-color: #ffffff;
    color: #1d1d1f;
}

.about-page-content {
    padding-top: 100px;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 22px;
}

.about-section {
    padding: 120px 0;
}

/* Intro typography */
.about-intro-typo {
    padding: 120px 0 80px;
    text-align: center;
}

.intro-text-center {
    max-width: 900px;
    margin: 0 auto;
}

.since-tag {
    display: block;
    margin-bottom: 25px;
    color: var(--about-orange);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.2em;
}

.about-intro-typo h1 {
    margin-bottom: 30px;
    color: var(--about-navy);
    font-size: clamp(3rem, 6vw, 3.8rem);
    font-weight: 300;
    line-height: 1.25;
}

.about-intro-typo .highlight {
    color: var(--about-orange);
    font-weight: 800;
}

.data-desc {
    margin: 0;
    color: var(--about-muted);
    font-size: 1.2rem;
    font-weight: 500;
}

/* Philosophy */
.about-philosophy-section {
    padding: 100px 0 150px;
}

.philosophy-wrapper {
    display: flex;
    align-items: center;
    gap: 80px;
}

.philo-text {
    flex: 1.2;
}

.philo-text h2 {
    margin-bottom: 35px;
    color: var(--about-navy);
    font-size: clamp(2.2rem, 4vw, 2.8rem);
    font-weight: 700;
}

.philo-text .text-body p {
    margin: 0 0 20px;
    color: #555;
    font-size: 1.15rem;
    line-height: 1.8;
    word-break: keep-all;
}

.philo-visual {
    flex: 1;
}

.img-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.08);
}

.img-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.img-frame:hover img {
    transform: scale(1.03);
}

.about-sec-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 30px;
}

.about-sec-title.center {
    text-align: center;
    margin-bottom: 60px;
}

/* Leaders Grid */
.about-leader-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.about-leader-card {
    text-align: center;
}

.about-leader-img {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #f5f5f7;
}

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

.about-leader-card h3 {
    font-size: 22px;
    margin-bottom: 5px;
}

.about-leader-card p {
    color: #86868b;
    font-size: 15px;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-page-content {
        padding-top: 82px;
    }

    .about-intro-typo {
        padding: 94px 0 56px;
    }

    .about-intro-typo h1 {
        font-size: 2.8rem;
    }

    .philosophy-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 50px;
    }

    .philo-visual {
        width: 100%;
    }

    .philo-text h2 {
        font-size: 2.2rem;
    }

    .about-leader-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .about-intro-typo h1 {
        font-size: 2.35rem;
    }

    .data-desc,
    .philo-text .text-body p {
        font-size: 1rem;
    }

    .about-philosophy-section {
        padding: 74px 0 96px;
    }
}

/* History & archive */
.about-history-container {
    padding: 100px 0 0;
    background: #fff;
}

.history-timeline-section {
    padding: 0 0 100px;
}

.about-history-header {
    text-align: center;
}

.about-history-tag {
    display: block;
    margin-bottom: 14px;
    color: var(--about-orange);
    font-size: 0.82rem;
    font-weight: 900;
    letter-spacing: 0.16em;
}

.about-history-header h2 {
    margin: 0;
    color: var(--about-navy);
    font-size: clamp(2.2rem, 4.6vw, 3.1rem);
    line-height: 1.28;
}

.about-history-header h2 strong {
    color: var(--about-orange);
}

.timeline-wrapper {
    position: relative;
    max-width: 940px;
    margin: 64px auto 0;
    padding-left: 54px;
}

.timeline-wrapper::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: #eee;
    content: "";
}

.timeline-year-box {
    position: relative;
    margin-bottom: 72px;
}

.timeline-year-box:last-child {
    margin-bottom: 0;
}

.timeline-year-box::before {
    position: absolute;
    top: 12px;
    left: -61px;
    z-index: 2;
    width: 14px;
    height: 14px;
    border: 3px solid var(--about-orange);
    border-radius: 50%;
    background: #fff;
    content: "";
}

.year-num {
    margin-bottom: 18px;
    color: var(--about-navy);
    font-family: "Playfair Display", serif;
    font-size: 2.55rem;
    font-weight: 900;
    line-height: 1;
}

.history-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.history-list li {
    position: relative;
    padding-left: 22px;
    color: #555;
    font-size: 1.08rem;
    line-height: 1.6;
    word-break: keep-all;
}

.history-list li::before {
    position: absolute;
    left: 0;
    color: var(--about-orange);
    font-weight: 900;
    content: "-";
}

.external-projects-section {
    padding: 112px 0;
    background: #faf9f6;
}

.section-header-side {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 36px;
    margin-bottom: 58px;
    padding-bottom: 30px;
    border-bottom: 2px solid #eee;
}

.section-header-side h3 {
    margin: 0 0 10px;
    color: var(--about-navy);
    font-size: clamp(1.7rem, 3vw, 2.15rem);
    line-height: 1.35;
}

.section-header-side h3 strong {
    color: var(--about-orange);
}

.section-header-side p {
    margin: 0;
    color: #777;
    line-height: 1.7;
    word-break: keep-all;
}

.btn-archive-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 26px;
    border: 0;
    border-radius: 10px;
    background: var(--about-navy);
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease;
    white-space: nowrap;
}

.btn-archive-more:hover {
    background: var(--about-orange);
    transform: translateY(-3px);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.project-card {
    padding: 38px;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(26, 42, 58, 0.05);
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
    border-top: 5px solid transparent;
}

.project-card:hover {
    border-top-color: var(--about-orange);
    box-shadow: 0 18px 44px rgba(26, 42, 58, 0.09);
    transform: translateY(-8px);
}

.p-category {
    display: block;
    margin-bottom: 15px;
    color: var(--about-orange);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.project-card h4 {
    margin: 0 0 14px;
    color: var(--about-navy);
    font-size: 1.26rem;
}

.project-card p {
    margin: 0;
    color: #777;
    font-size: 0.95rem;
    line-height: 1.65;
    word-break: keep-all;
}

.archive-modal {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(26, 42, 58, 0.62);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.archive-modal.active {
    display: flex;
}

.archive-modal-panel {
    position: relative;
    width: min(100%, 620px);
    padding: 48px;
    border-radius: 28px;
    background: #fff;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.2);
}

.archive-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #f4f4f4;
    color: var(--about-navy);
    cursor: pointer;
}

.archive-modal-panel h3 {
    margin: 0 0 24px;
    color: var(--about-navy);
    font-size: 2rem;
}

.archive-list {
    display: grid;
    gap: 14px;
    margin: 0 0 28px;
    padding: 0;
    list-style: none;
}

.archive-list li {
    color: #555;
    line-height: 1.65;
}

.archive-list strong {
    color: var(--about-orange);
    margin-right: 8px;
}

.archive-modal-panel p {
    margin: 0;
    color: #888;
}

/* CEO message */
.ceo-message-section {
    padding: 150px 0;
    background: #fff;
}

.ceo-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 96px;
}

.ceo-visual {
    position: relative;
    flex: 1;
    min-width: 0;
}

.ceo-img-frame {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    background: #f5f5f5;
    box-shadow: 30px 30px 80px rgba(0, 0, 0, 0.1);
}

.ceo-img-frame img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    filter: grayscale(0.2);
    transition: filter 0.5s ease, transform 0.5s ease;
}

.ceo-img-frame:hover img {
    filter: grayscale(0);
    transform: scale(1.02);
}

.ceo-name-tag {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px;
    background: linear-gradient(transparent, rgba(26, 42, 58, 0.9));
    color: #fff;
}

.ceo-name-tag .label {
    display: block;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    opacity: 0.8;
}

.ceo-name-tag .name {
    margin: 6px 0 0;
    font-size: 1.5rem;
}

.ceo-content {
    flex: 1.3;
    min-width: 0;
    padding-top: 18px;
}

.quote-icon {
    display: block;
    margin-bottom: -20px;
    color: var(--about-orange);
    font-family: "Playfair Display", serif;
    font-size: 5rem;
    line-height: 1;
}

.message-header h3 {
    margin: 0 0 48px;
    color: var(--about-navy);
    font-size: clamp(2.1rem, 4vw, 2.8rem);
    line-height: 1.3;
}

.message-header h3 strong {
    color: var(--about-orange);
}

.message-body .intro-q {
    margin: 0 0 38px;
    padding-left: 25px;
    border-left: 4px solid var(--about-orange);
    color: #333;
    font-size: 1.28rem;
    font-weight: 800;
    line-height: 1.7;
    word-break: keep-all;
}

.main-text p {
    margin: 0 0 28px;
    color: #666;
    font-size: 1.08rem;
    line-height: 1.9;
    word-break: keep-all;
}

.main-text strong {
    color: var(--about-navy);
    font-weight: 900;
}

.closing-text {
    margin: 48px 0 0;
    color: var(--about-navy);
    font-size: 1.18rem;
    font-weight: 900;
    line-height: 1.65;
    word-break: keep-all;
}

/* CTA Card */
.about-cta-card {
    background-color: #1d1d1f;
    color: #fff;
    padding: 80px 40px;
    border-radius: 40px;
    text-align: center;
}

.about-cta-card h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #fff;
}

.about-cta-card p {
    color: #86868b;
    margin-bottom: 40px;
    font-size: 18px;
}

.about-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #E67E22;
    color: #fff;
    padding: 20px 45px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 18px;
    transition: 0.3s;
}

.about-btn-download:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(230, 126, 34, 0.3);
}

@media (max-width: 768px) {
    .about-history-container {
        padding-top: 76px;
    }

    .timeline-wrapper {
        padding-left: 34px;
    }

    .timeline-year-box {
        margin-bottom: 56px;
    }

    .timeline-year-box::before {
        left: -41px;
    }

    .history-list li {
        font-size: 0.98rem;
    }

    .external-projects-section {
        padding: 82px 0;
    }

    .section-header-side {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-archive-more {
        width: 100%;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        padding: 30px 24px;
    }

    .archive-modal-panel {
        padding: 38px 24px 30px;
        border-radius: 22px;
    }

    .ceo-message-section {
        padding: 88px 0;
    }

    .ceo-wrapper {
        flex-direction: column;
        align-items: stretch;
        gap: 44px;
    }

    .ceo-visual,
    .ceo-content {
        width: 100%;
    }

    .ceo-content {
        text-align: center;
    }

    .ceo-img-frame {
        max-width: 420px;
        margin: 0 auto;
    }

    .ceo-name-tag {
        padding: 30px 24px;
    }

    .message-header h3 {
        margin-bottom: 34px;
    }

    .message-body .intro-q {
        padding-left: 0;
        border-left: 0;
        font-size: 1.08rem;
    }

    .main-text p,
    .closing-text {
        font-size: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .project-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .section-header-side {
        flex-direction: column;
        align-items: flex-start;
    }

    .ceo-wrapper {
        flex-direction: column;
        gap: 60px;
    }

    .ceo-visual,
    .ceo-content {
        width: 100%;
    }

    .ceo-content {
        text-align: center;
    }

    .message-body .intro-q {
        border-left: 0;
        padding-left: 0;
    }
}