/* ── Projects Section ── */
.projects {
    padding: 5rem 12% !important;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    align-items: stretch;
    overflow: visible;
}

.project-card {
    background: var(--project-card-bg);
    border: 1px solid var(--project-card-border);
    border-radius: 0.75rem;
    overflow: visible;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-img-wrapper {
    width: 100%;
    overflow: hidden;
    border-radius: 0.75rem 0.75rem 0 0;
}

.project-img-wrapper img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: top;
    display: block;
}

.project-card:hover {
    border-color: var(--project-card-hover-border);
    transform: translateY(-12px);
    box-shadow: 0 24px 60px var(--project-card-hover-shadow);
}

.project-thumbnail {
    overflow: hidden;
    border-radius: 0.75rem 0.75rem 0 0;
    width: 100%;
    height: 220px;
    object-fit: cover;
    object-position: top;
    display: block;
    background: var(--project-thumb-bg);
}

.project-thumbnail-placeholder {
    width: 100%;
    height: 240px;
    background: var(--project-thumb-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.project-content {
    padding: 1.25rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-content h3 {
    color: var(--project-h3-color);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.project-content p {
    color: var(--project-p-color);
    font-size: 1rem;
    margin-bottom: 1rem;
    line-height: 1.6;
    flex: 1;
}

.project-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: auto;
    margin-bottom: 1rem;
}

.tag {
    background: var(--tag-bg);
    color: var(--tag-color);
    border: 1px solid var(--tag-border);
    padding: 0.2rem 0.65rem;
    border-radius: 1rem;
    font-size: .9rem;
}

.project-footer {
    display: flex;
    justify-content: flex-end;
    padding: 0.75rem 1.5rem 1rem;
    border-top: 1px solid var(--project-footer-border);
}

.btn-view-details {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    border: 1px solid var(--btn-view-border);
    color: var(--btn-view-color);
    padding: 0.45rem 1rem;
    border-radius: 0.4rem;
    font-size: .9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-view-details:hover {
    border-color: var(--btn-view-hover-border);
    color: var(--btn-view-hover-color);
}

/* ── Project Detail Page ── */
#project-detail-page {
    padding-top: 70px;
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    width: 100%; height: 100%;
    inset: 0;
    background: var(--bg-primary);
    z-index: 999;
    overflow-y: auto;
}

#project-detail-page.active { display: block; }

#project-detail-page nav.detail-top-nav {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.3rem 12%;
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--detail-nav-border);
}

#project-detail-page nav.detail-top-nav .nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

#project-detail-page nav.detail-top-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

#project-detail-page nav.detail-top-nav a {
    color: var(--detail-nav-a-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

#project-detail-page nav.detail-top-nav a:hover,
#project-detail-page nav.detail-top-nav a.active { color: var(--accent); }

.detail-back-row { padding: 1rem 12%; background: var(--detail-back-bg); }

.detail-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--detail-back-btn-bg);
    border: 1px solid var(--detail-back-btn-border);
    color: var(--detail-back-btn-color);
    padding: 0.5rem 1rem;
    border-radius: 0.4rem;
    font-size: 0.9rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.detail-back-btn:hover { border-color: var(--accent); color: var(--accent); }

.detail-content { padding: 2rem 12% 4rem; }

.detail-header-box {
    background: var(--detail-header-bg);
    border: 1px solid var(--detail-header-border);
    border-radius: 0.75rem;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
}

.detail-header-box h1 {
    font-size: 1.8rem;
    color: var(--detail-h1-color);
    font-weight: 700;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.detail-header-box p.detail-subtitle { color: var(--detail-subtitle-color); font-size: 1rem; margin: 0; }

.detail-divider { border: none; border-top: 1px solid var(--detail-divider-color); margin: 1.5rem 0; }

.detail-body {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: stretch;
}

.detail-screenshot {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid var(--screenshot-border);
}

.detail-sidebar h3 { font-size: 1.2rem; color: var(--detail-sidebar-h3-color); font-weight: 700; margin-bottom: 1rem; }

.detail-tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }

.detail-tech-tag {
    background: var(--detail-tech-tag-bg);
    border: 1px solid var(--detail-tech-tag-border);
    color: var(--detail-tech-tag-color);
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.9rem;
}

.detail-links { display: flex; flex-direction: column; gap: 0.6rem; }

.detail-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    border-radius: 0.4rem;
    font-size: .9rem;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
    border: 1px solid var(--detail-link-btn-border);
    background: var(--detail-link-btn-bg);
    color: var(--detail-link-btn-color);
    width: 100%;
}

.detail-link-btn:hover { border-color: var(--accent); color: var(--accent); }

.detail-link-btn.primary {
    background: var(--detail-link-primary-bg);
    color: var(--detail-link-primary-color);
    border-color: var(--detail-link-primary-bg);
}

.detail-link-btn.primary:hover {
    opacity: 0.88;
    color: var(--detail-link-primary-color);
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

.detail-main h2 { font-size: 1.3rem; color: var(--detail-main-h2-color); font-weight: 700; margin-bottom: 1rem; }
.detail-main h3 { font-size: 1rem; color: var(--detail-main-h3-color); font-weight: 600; margin: 1.2rem 0 0.6rem; }
.detail-main p  { color: var(--detail-main-p-color); font-size: 1rem; line-height: 1.8; margin-bottom: 0.75rem; }

.detail-main ul { list-style: none; padding: 0; margin-bottom: 1rem; }

.detail-main ul li {
    color: var(--detail-main-li-color);
    font-size: 1rem;
    padding: 0.3rem 0 0.3rem 1.2rem;
    position: relative;
    line-height: 1.6;
}

.detail-main ul li::before { content: '•'; position: absolute; left: 0; color: var(--accent); }
.detail-main ul li strong  { color: var(--detail-main-li-strong); }

.detail-cert-img {
    width: 100%;
    border-radius: 0.5rem;
    border: 1px solid var(--screenshot-border);
    margin-top: 0.5rem;
}

.detail-acknowledgement { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--detail-ack-border); }
.detail-acknowledgement h2 { font-size: 1.3rem; color: var(--detail-main-h2-color); font-weight: 700; margin-bottom: 0.75rem; }
.detail-acknowledgement p  { color: var(--detail-main-p-color); font-size: 1rem; line-height: 1.8; margin-bottom: 0.5rem; }
.detail-acknowledgement strong { color: var(--detail-main-li-strong); }
/* ── Project Status Badge ── */
.project-img-wrapper {
    position: relative;
}

.project-status {
    position: absolute;
    top: 0.7rem;
    right: 0.7rem;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 2rem;
    z-index: 2;
    letter-spacing: 0.02em;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.project-status.completed {
    background: #22c55e;
    color: #fff;
}

.project-status.in-progress {
    background: #3b82f6;
    color: #fff;
}