/* ── TRANG CHI TIẾT DỰ ÁN — dùng chung cho mọi project ── */

/* Hero */
.proj-hero {
    padding: 5rem 5% 4rem;
}

.proj-hero__meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.proj-back {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.proj-back:hover {
    opacity: 1;
}

.proj-hero__cat {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--orange);
}

.proj-hero__title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.proj-hero__desc {
    font-size: 1.15rem;
    opacity: 0.8;
    max-width: 600px;
}

/* Cover image */
.proj-cover {
    max-height: 70vh;
    overflow: hidden;
}

.proj-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Info section */
.proj-info {
    padding: 5rem 5%;
}

.proj-info__grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: start;
}

.proj-info__main h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 1rem;
}

.proj-info__main p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.proj-info__sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.proj-meta-block {
    border-left: 3px solid var(--orange);
    padding-left: 1rem;
}

.proj-meta-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #999;
    margin-bottom: 0.25rem;
}

.proj-meta-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Gallery */
.proj-gallery {
    padding: 0 5% 5rem;
}

.proj-gallery__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.proj-gallery__grid img {
    width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
}

.proj-gallery__grid img:first-child {
    grid-column: 1 / -1;
}

/* Next project */
.proj-next {
    padding: 0;
}

.proj-next__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 5%;
    text-decoration: none;
    gap: 0.5rem;
    transition: background 0.3s;
}

.proj-next__link:hover {
    background: rgba(255, 255, 255, 0.05);
}

.proj-next__label {
    font-size: 0.85rem;
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.proj-next__name {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
    .proj-info__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .proj-info__sidebar {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .proj-meta-block {
        flex: 1;
        min-width: 130px;
    }

    .proj-gallery__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 540px) {
    .proj-hero {
        padding: 3.5rem 5% 3rem;
    }
}