.about-hero {
    /* fallback background ก่อนโหลดรูปจริง */
    background: #333;
    position: relative;
    width: 100%;
    height: 100vh;
    background-size: cover;
    background-position: center;
}


.about-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.about-hero .hero-content {
    z-index: 2;
    color: white;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.about-hero h2 {
    font-size: 1.4rem;
    font-weight: 300;
}

/* Main About */
.about-main {
    padding: 3rem 1rem;
    background-color: #fff;
}

.about-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
}

.about-image {
    flex: 1 1 45%;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
}

.about-text {
    flex: 1 1 50%;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ff3c00;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #333;
}

/* Strengths */
.about-strengths {
    background-color: #f9f9f9;
    padding: 4rem 1rem;
    text-align: center;
}

.about-strengths h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #ff3c00;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.strength-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.strength-card:hover {
    transform: translateY(-6px);
}

.strength-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.strength-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #ff3c00;
}

.strength-card p {
    font-size: 0.95rem;
    color: #555;
}

/* Scroll Animation */
.fade-in,
.fade-in-left,
.fade-in-right,
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left {
    transform: translateX(-40px);
}

/* .fade-in-right {
    transform: translateX(40px);
} */

.fade-in-up {
    transform: translateY(40px);
}

.show {
    opacity: 1;
    transform: translate(0, 0);
}

/* Responsive */

/* ───── Hero Animation ───── */
.fade-hero {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.95);
    transition: opacity 1.2s ease, transform 1.2s ease;
    will-change: opacity, transform;
}

.fade-hero.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}