.about-hero {
    padding: 56px 0 46px;
}

.about-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: clamp(24px, 5vw, 38px);
    align-items: center;
}

.about-copy h1 {
    max-width: 680px;
    margin-bottom: 16px;
    font-size: clamp(1.25rem, 3.8vw, 2.5rem);
    line-height: 1.12;
    font-weight: 800;
    letter-spacing: -0.035em;
}

.about-copy p {
    max-width: 680px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-size: 0.96rem;
}

.fit-summary {
    display: grid;
    gap: 10px;
    max-width: 680px;
    margin-bottom: 24px;
}

.fit-summary div {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 12px;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.07);
}

.fit-summary strong {
    color: var(--accent);
    font-size: 0.82rem;
}

.fit-summary span {
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.portrait-card {
    position: relative;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
}

.portrait-photo {
    min-height: 360px;
    border-radius: 22px;
    background-image:
        linear-gradient(180deg, transparent, rgba(5, 9, 20, 0.76)),
        url("../image/about.avif");
    background-size: cover;
    background-position: center;
}

.portrait-caption {
    position: absolute;
    left: 34px;
    right: 34px;
    bottom: 34px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(5, 9, 20, 0.72);
    backdrop-filter: blur(16px);
}

.portrait-caption strong,
.portrait-caption span {
    display: block;
}

.portrait-caption span {
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.about-card,
.skill-category,
.achievement-card,
.philosophy-card {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.07);
    transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.about-card {
    min-height: 190px;
    padding: 18px;
    border-radius: 20px;
}

.about-card:hover,
.skill-category:hover,
.achievement-card:hover,
.philosophy-card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.55);
    background: rgba(255, 255, 255, 0.11);
}

.about-card span,
.philosophy-card span {
    display: inline-flex;
    margin-bottom: 20px;
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 800;
}

.about-card h3,
.philosophy-card h3 {
    margin-bottom: 10px;
    font-size: 1.02rem;
}

.about-card p,
.philosophy-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.pmp-card {
    background:
        linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(45, 212, 191, 0.08)),
        rgba(255, 255, 255, 0.07);
}

.positioning-box {
    max-width: 860px;
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid rgba(56, 189, 248, 0.24);
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(45, 212, 191, 0.06)),
        rgba(255, 255, 255, 0.07);
}

.positioning-box p {
    color: var(--text-secondary);
    font-size: 0.94rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.skill-category {
    padding: 18px;
    border-radius: 20px;
}

.skill-category h4 {
    margin-bottom: 18px;
    color: var(--text-primary);
    font-size: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.proof-layout {
    display: grid;
    grid-template-columns: 0.7fr 1fr;
    gap: 40px;
    align-items: center;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.achievement-card {
    padding: 18px;
    border-radius: 22px;
    text-align: center;
}

.achievement-card strong,
.achievement-card span {
    display: block;
}

.achievement-card strong {
    color: var(--accent);
    font-size: clamp(1.55rem, 2.5vw, 2.25rem);
    line-height: 1;
}

.achievement-card span {
    margin-top: 12px;
    color: var(--text-secondary);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.philosophy-card {
    padding: 18px;
    border-radius: 22px;
}

@media (max-width: 1020px) {
    .about-hero-layout,
    .proof-layout {
        grid-template-columns: 1fr;
    }

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

    .skills-grid,
    .philosophy-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .about-hero {
        padding-top: 40px;
    }

    .portrait-photo {
        min-height: 280px;
    }

    .fit-summary div {
        grid-template-columns: 1fr;
        gap: 3px;
    }

    .about-grid,
    .skills-grid,
    .achievements-grid,
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
}