/* ===== Về chúng tôi ===== */
.about-page-wrapper {
    font-family: 'Montserrat', sans-serif; /* body text dùng Inter */
    color: #1a1a1a;
    width: 100%;
    background-color: #f4f6fa;
    --brand-blue: #1e3c72;
    --brand-blue-light: #2a5298;
    --brand-gold: #ffd700;
}

.about-page-wrapper * {
    box-sizing: border-box;
}

.about-page-wrapper .container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 15px;
}

/* ===== Hero ===== */
.about-hero {
    position: relative;
    /* overflow: hidden đã xóa — dùng clip-path trên pseudo thay thế để
       không clip các positioned children (vd: .about-hero-year) */
    background: linear-gradient(135deg, #0c1f4d 0%, #1e3c72 55%, #14295c 100%);
    padding: 90px 0 110px;
}

.about-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 58%, var(--brand-blue-light) 60%, #14295c 100%);
    clip-path: polygon(62% 0, 100% 0, 100% 100%, 38% 100%);
}

.about-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 215, 0, 0.4) 1.5px, transparent 1.5px);
    background-size: 16px 16px;
    clip-path: polygon(78% 0, 100% 0, 100% 55%, 66% 100%, 55% 100%);
    opacity: 0.5;
}

.about-hero-inner {
    position: relative;
    z-index: 2;
    max-width: 640px;
}

.about-hero-eyebrow {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--brand-gold);
    margin-bottom: 18px;
}

.about-hero-title {
    color: #ffffff;
    font-size: 46px;
    font-weight: 800;
    letter-spacing: 0.5px;
    line-height: 1.15;
    margin: 0 0 20px;
}

.about-hero-subtitle {
    color: #cdd7ef;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    margin: 0;
    max-width: 480px;
}

.about-hero-arrows {
    display: flex;
    gap: 6px;
    margin-top: 40px;
}

.about-hero-arrows i {
    color: var(--brand-gold);
    font-size: 14px;
}

.about-hero-year {
    position: absolute;
    right: 4%;
    bottom: -6%;
    z-index: 1;
    font-size: 150px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.08);
    line-height: 1;
    user-select: none;
}

/* ===== Story ===== */
.about-story {
    padding: 70px 0 20px;
    text-align: center;
}

.about-story-title {
    font-family: 'Montserrat', sans-serif; /* heading dùng Montserrat */
    font-size: 30px;
    font-weight: 800;
    color: #14295c;
    margin: 0 0 14px;
    letter-spacing: 0.3px;
}

.about-story-title span {
    color: var(--brand-blue);
}

.about-story-underline {
    width: 64px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 4px;
    margin: 0 auto 30px;
}

.about-story-text {
    max-width: 65ch; /* ~80 chars/line — giảm từ 980px để tránh line too long */
    margin: 0 auto;
    font-size: 16.5px;
    font-weight: 400;
    line-height: 1.9;
    color: #4a5164;
}

.about-story-text strong {
    color: #14295c;
}

/* Stats */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 50px 0;
}

.about-stat-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 34px 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(20, 23, 43, 0.06);
}

.about-stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand-blue);
    color: #ffffff;
    font-size: 24px;
}

.about-stat-number {
    font-size: 26px;
    font-weight: 800;
    color: #14295c;
    margin-bottom: 8px;
}

.about-stat-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #4a5164;
}

/* Quote */
.about-quote {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 22px;
    background: #eef0f5;
    border-radius: 16px;
    padding: 34px 40px;
    margin-bottom: 60px;
    text-align: left;
}

.about-quote-icon {
    flex-shrink: 0;
    font-size: 26px;
    color: var(--brand-blue);
    margin-top: 4px;
}

.about-quote-text {
    margin: 0;
    max-width: 70ch; /* ~80 chars/line */
    font-size: 16px;
    font-weight: 600;
    line-height: 1.85;
    color: #333a4d;
}

/* ===== Mission ===== */
.about-mission {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: center;
    gap: 50px;
    background: linear-gradient(135deg, #eaf1fb 0%, #fffbea 100%);
    border-radius: 22px;
    padding: 46px 50px;
    margin-bottom: 70px;
}

.about-mission-visual {
    position: relative;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-mission-ring {
    position: relative;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    border: 2px dashed rgba(255, 215, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-mission-ring::before {
    content: "";
    position: absolute;
    inset: 30px;
    border-radius: 50%;
    background: rgba(30, 60, 114, 0.08);
}

.about-mission-core {
    position: relative;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--brand-blue-light), var(--brand-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 46px;
    box-shadow: 0 20px 45px rgba(30, 60, 114, 0.35);
    z-index: 2;
}

.about-mission-badge {
    position: absolute;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue);
    font-size: 22px;
    box-shadow: 0 12px 25px rgba(20, 23, 43, 0.15);
}

.about-mission-badge.badge-top {
    top: 10px;
    right: 30px;
}

.about-mission-badge.badge-bottom {
    bottom: 10px;
    left: 20px;
}

.about-mission-title {
    font-family: 'Montserrat', sans-serif; /* heading dùng Montserrat */
    font-size: 26px;
    font-weight: 800;
    color: #14295c;
    margin: 0 0 14px;
}

.about-mission-title span {
    color: var(--brand-blue);
}

.about-mission-underline {
    width: 56px;
    height: 4px;
    background: var(--brand-gold);
    border-radius: 4px;
    margin-bottom: 22px;
}

.about-mission-quote {
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--brand-blue);
    margin: 0 0 18px;
}

.about-mission-text {
    max-width: 68ch; /* ~80 chars/line */
    font-size: 15.5px;
    font-weight: 400;
    line-height: 1.85;
    color: #545c70;
    margin: 0 0 16px;
}

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

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .about-hero-inner {
        max-width: 100%;
        text-align: center;
        margin: 0 auto;
    }

    .about-hero-subtitle {
        margin: 0 auto;
    }

    .about-hero-arrows {
        justify-content: center;
    }

    .about-hero-year {
        font-size: 100px;
        right: 2%;
    }

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

    .about-mission {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 40px 26px;
    }

    .about-mission-underline {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 600px) {
    .about-hero {
        padding: 60px 0 90px;
    }

    .about-hero-title {
        font-size: 32px;
    }

    .about-quote {
        flex-direction: column;
        padding: 26px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .about-mission-visual {
        height: 220px;
    }

    .about-mission-ring {
        width: 180px;
        height: 180px;
    }

    .about-mission-core {
        width: 100px;
        height: 100px;
        font-size: 34px;
    }
}