.placeholder_mark {
    display: flex;
    align-items: flex-start;
    gap: 4px;

    .logo_r {
        font-size: 6rem;
        font-weight: 900;
        color: var(--color-gold, #d4a843);
        line-height: 1;
    }

    .logo_arrow {
        font-size: 2.8rem;
        color: var(--color-gold, #d4a843);
        margin-top: 8px;
    }
}

section.about_hero_section {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--color-bg, #0d110e);

    &::before {
        content: '';
        position: absolute;
        top: -10%;
        left: -5%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(212, 168, 67, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

    &::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--color-gold, #d4a843), transparent);
        opacity: 0.3;
    }

    .about_hero_inner {
        position: relative;
        z-index: 2;
    }

    .about_hero_actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        margin-top: 32px;
    }

    .about_hero_visual {
        position: relative;
        z-index: 2;
    }

    .about_hero_img_placeholder {
        width: 100%;
        aspect-ratio: 4 / 3;
        background: var(--color-surface-2, #1c241d);
        border: 1px solid var(--color-border, #2a352b);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .about_breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 20px;
        font-size: 0.82rem;
        color: var(--color-text-muted, #7a8c7b);

        a {
            color: var(--color-text-muted, #7a8c7b);
            text-decoration: none;
            transition: color 0.2s;

            &:hover {
                color: var(--color-gold, #d4a843);
            }
        }

        .bi {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        span {
            color: var(--color-gold, #d4a843);
        }
    }

    .about_hero_title {
        font-size: clamp(2.4rem, 5vw, 4rem);
        font-weight: 800;
        line-height: 1.1;
        color: var(--color-text, #e8ede9);
        margin: 18px 0 20px;
        letter-spacing: -0.02em;
    }

    .about_hero_sub {
        font-size: 1.1rem;
        line-height: 1.75;
        color: var(--color-text-muted, #7a8c7b);
        max-width: 560px;
    }

    @media (max-width: 991px) {
        .about_hero_title {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 575px) {
        min-height: auto;

        .about_hero_title {
            font-size: 2rem;
        }

        .about_hero_actions {
            gap: 12px;
        }
    }
}

section.about_founder_section {
    background: var(--color-bg, #0d110e);

    .founder_visual {
        position: relative;
    }

    .founder_img_placeholder {
        width: 100%;
        aspect-ratio: 3 / 4;
        background: var(--color-surface-2, #1c241d);
        border: 1px solid var(--color-border, #2a352b);
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .founder_quote {
        font-size: 1.1rem;
        font-style: italic;
        line-height: 1.75;
        color: var(--color-text-muted, #7a8c7b);
        border-left: 3px solid var(--color-gold, #d4a843);
        padding-left: 20px;
        margin: 20px 0 32px;
    }

    .founder_stats {
        display: flex;
        gap: 32px;
        flex-wrap: wrap;
        padding: 24px 0;
        border-top: 1px solid var(--color-border, #2a352b);
        border-bottom: 1px solid var(--color-border, #2a352b);
        margin-bottom: 24px;
    }

    .founder_stat {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .founder_stat_num {
        font-size: 1.8rem;
        font-weight: 900;
        color: var(--color-gold, #d4a843);
        line-height: 1;
    }

    .founder_stat_label {
        font-size: 0.75rem;
        color: var(--color-text-muted, #7a8c7b);
        text-transform: uppercase;
        letter-spacing: 0.06em;
    }

    .founder_badges {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    .founder_badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--color-gold, #d4a843);
        background: var(--color-gold-bg, rgba(212, 168, 67, .08));
        border: 1px solid rgba(212, 168, 67, 0.25);
        border-radius: 20px;
        padding: 6px 14px;

        .bi {
            font-size: 0.75rem;
        }
    }

    @media (max-width: 575px) {
        .founder_stats {
            gap: 20px;
        }
    }
}

section.about_mv_section {
    background: var(--color-bg, #0d110e);

    .mv_card {
        position: relative;
        background: var(--color-surface, #141a15);
        border: 1px solid var(--color-border, #2a352b);
        border-radius: 16px;
        padding: 40px 36px;
        height: 100%;
        overflow: hidden;
        transition: border-color 0.3s, transform 0.3s;

        &::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(212, 168, 67, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        &:hover {
            border-color: var(--color-gold, #d4a843);
            transform: translateY(-4px);

            .mv_card_accent {
                opacity: 1;
            }
        }

        &--vision .mv_card_accent {
            background: linear-gradient(90deg, transparent, var(--color-gold, #d4a843));
        }
    }

    .mv_card_accent {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--color-gold, #d4a843), transparent);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .mv_card_icon {
        width: 52px;
        height: 52px;
        background: var(--color-gold-bg, rgba(212, 168, 67, .08));
        border: 1px solid rgba(212, 168, 67, 0.2);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;

        .bi {
            font-size: 1.4rem;
            color: var(--color-gold, #d4a843);
        }
    }

    .mv_card_title {
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--color-text, #e8ede9);
        margin-bottom: 14px;
    }

    .mv_card_desc {
        font-size: 0.96rem;
        line-height: 1.8;
        color: var(--color-text-muted, #7a8c7b);
        margin: 0;
    }
}

section.about_values_section {
    background: var(--color-surface, #141a15);
    border-top: 1px solid var(--color-border, #2a352b);
    border-bottom: 1px solid var(--color-border, #2a352b);

    .value_card {
        background: var(--color-surface-2, #1c241d);
        border: 1px solid var(--color-border, #2a352b);
        border-radius: 14px;
        padding: 32px 24px 28px;
        text-align: center;
        height: 100%;
        transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
        position: relative;
        overflow: hidden;

        &::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(212, 168, 67, 0.04) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        &:hover {
            border-color: var(--color-gold, #d4a843);
            transform: translateY(-6px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(212, 168, 67, 0.15);

            &::after {
                opacity: 1;
            }
        }
    }

    .value_letter {
        display: inline-block;
        font-size: 3.2rem;
        font-weight: 900;
        color: var(--color-gold, #d4a843);
        line-height: 1;
        margin-bottom: 14px;
        opacity: 0.9;
    }

    .value_title {
        font-size: 1rem;
        font-weight: 700;
        color: var(--color-text, #e8ede9);
        margin-bottom: 10px;
    }

    .value_desc {
        font-size: 0.84rem;
        line-height: 1.7;
        color: var(--color-text-muted, #7a8c7b);
        margin: 0;
    }

    @media (max-width: 991px) {
        .col-lg {
            min-width: 200px;
        }
    }
}

section.about_process_section {
    background: var(--color-bg, #0d110e);

    .process_timeline {
        display: flex;
        align-items: flex-start;
        gap: 0;
        position: relative;

        &::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border, #2a352b) 10%, var(--color-border, #2a352b) 90%, transparent);
        }
    }

    .process_step {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 0 12px;
        position: relative;

        &:hover .process_step_num {
            background: var(--color-gold, #d4a843);
            border-color: var(--color-gold, #d4a843);
            color: #0d110e;
            box-shadow: 0 0 24px rgba(212, 168, 67, 0.3);
        }
    }

    .process_step_num {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--color-surface, #141a15);
        border: 1px solid var(--color-border, #2a352b);
        color: var(--color-gold, #d4a843);
        font-size: 0.78rem;
        font-weight: 800;
        letter-spacing: 0.05em;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 2;
        transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
        flex-shrink: 0;
    }

    .process_connector {
        width: 1px;
        height: 24px;
        background: var(--color-border, #2a352b);
        margin: 8px 0;
    }

    .process_step_body {
        padding-top: 4px;
    }

    .process_step_title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--color-text, #e8ede9);
        margin-bottom: 8px;
    }

    .process_step_desc {
        font-size: 0.8rem;
        line-height: 1.65;
        color: var(--color-text-muted, #7a8c7b);
        margin: 0;
    }

    @media (max-width: 767px) {
        .process_timeline {
            flex-direction: column;
            align-items: flex-start;

            &::before {
                display: none;
            }
        }

        .process_step {
            flex-direction: row;
            align-items: flex-start;
            text-align: left;
            gap: 16px;
            padding: 0 0 32px;
            width: 100%;

            &:not(:last-child)::after {
                content: '';
                position: absolute;
                left: 27px;
                top: 56px;
                bottom: 0;
                width: 1px;
                background: var(--color-border, #2a352b);
            }
        }

        .process_connector {
            display: none;
        }

        .process_step_body {
            padding-top: 10px;
            flex: 1;
        }
    }
}

section.about_expertise_section {
    background: var(--color-surface, #141a15);
    border-top: 1px solid var(--color-border, #2a352b);
    border-bottom: 1px solid var(--color-border, #2a352b);

    .expertise_card {
        background: var(--color-bg, #0d110e);
        border: 1px solid var(--color-border, #2a352b);
        border-radius: 16px;
        padding: 36px 28px;
        height: 100%;
        position: relative;
        transition: border-color 0.3s, transform 0.3s;
        overflow: hidden;

        &::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-gold, #d4a843);
            transition: width 0.4s ease;
        }

        &:hover {
            border-color: rgba(212, 168, 67, 0.5);
            transform: translateY(-5px);

            &::after {
                width: 100%;
            }
        }
    }

    .expertise_tag {
        display: inline-block;
        font-size: 0.68rem;
        font-weight: 700;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--color-gold, #d4a843);
        background: var(--color-gold-bg, rgba(212, 168, 67, .08));
        border: 1px solid rgba(212, 168, 67, 0.2);
        border-radius: 4px;
        padding: 3px 10px;
        margin-bottom: 20px;
    }

    .expertise_icon_wrap {
        margin-bottom: 16px;

        .bi {
            font-size: 1.8rem;
            color: var(--color-gold, #d4a843);
        }
    }

    .expertise_title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--color-text, #e8ede9);
        margin-bottom: 12px;
    }

    .expertise_desc {
        font-size: 0.88rem;
        line-height: 1.8;
        color: var(--color-text-muted, #7a8c7b);
        margin: 0;
    }
}

section.cta_banner_section {
    background: #0A0A0A;

    .cta_banner_card {
        background: linear-gradient(135deg, #0B3D2E 0%, #0A0A0A 100%);
        border-radius: 20px;
        -webkit-border-radius: 20px;
        -moz-border-radius: 20px;
        -ms-border-radius: 20px;
        -o-border-radius: 20px;
        max-width: 900px;
        margin: 0 auto;
        padding: 100px 70px;
        display: flex;
        flex-direction: column;
        align-items: center;

        @media (max-width: 1200px) {
            padding: 70px 50px;
        }

        @media (max-width: 991px) {
            padding: 50px 40px;
        }

        @media (max-width: 767px) {
            padding: 40px 30px;
        }

        .cta_banner_actions {
            margin: 30px 0;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
    }
}