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


.projects-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

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

.projects-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.projects-hero h2 {
    font-size: 1.5rem;
    font-weight: 300;
}

/* Experience section */
.experience {
    padding: 3rem 1rem;
    background-color: #f9f9f9;
    text-align: center;

    color: #555;
}

.experience h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #111;
}

.project-group {
    padding: 2rem 1rem;
}

.project-group h3 {
    font-size: 1.5rem;
    color: #ff3c00;
    margin-bottom: 1rem;
}

.grid {
    display: grid;
    gap: 1.5rem;
    /* grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); */
    grid-template-columns: repeat(4, 1fr);
}

.project-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    transform: translateY(30px);
    /* opacity: 0; */
    transition: all 0.6s ease-out;
}

.project-card.show {
    transform: translateY(0);
    opacity: 1;
}

.project-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card p {
    padding: 1rem;
    font-size: 0.95rem;
    color: #333;
    text-align: center;
}

.project-swiper {
  width: 100%;
  height: 220px;  
  background: #eee; 
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.project-swiper img {
  width: 100%;
  height: 220px;  
  object-fit: cover;
  object-fit: cover;
}

/* ───── 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);
}