/* =========================================================
   SE Portfolio — Frontend Styles
   SE24 Media | com_seportfolio
   ========================================================= */

:root {
    --sep-bg:          #0f1923;
    --sep-card-bg:     var(--sep-setting-card-bg, #131f2e);
    --sep-card-border: var(--sep-setting-card-border, rgba(74, 144, 217, 0.15));
    --sep-card-hover:  rgba(74, 144, 217, 0.25);
    --sep-accent:      var(--sep-setting-accent, #4a90d9);
    --sep-accent2:     #4ade80;
    --sep-text:        var(--sep-setting-body-color, #c8dff0);
    --sep-muted:       #556677;
    --sep-white:       #ffffff;
    --sep-tag-bg:      rgba(74, 144, 217, 0.12);
    --sep-tag-border:  rgba(74, 144, 217, 0.3);
    --sep-radius:      12px;
    --sep-radius-sm:   6px;
    --sep-transition:  0.25s ease;
}

/* ── Wrapper ── */
.sep-portfolio-wrap {
    padding: 40px 0 60px;
}

/* ── Filter Bar ── */
.sep-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--sep-card-border);
}

.sep-filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 7px 18px;
    border-radius: 999px;
    border: 1px solid var(--sep-card-border);
    background: transparent;
    color: var(--sep-muted);
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: all var(--sep-transition);
}

.sep-filter-btn:hover {
    border-color: var(--sep-accent);
    color: var(--sep-accent);
    background: var(--sep-tag-bg);
    text-decoration: none;
}

.sep-filter-active {
    background: var(--sep-accent) !important;
    border-color: var(--sep-accent) !important;
    color: #fff !important;
}

/* ── Grid ── */
.sep-grid {
    display: grid;
    grid-template-columns: repeat(var(--sep-grid-columns, 3), 1fr);
    gap: 28px;
    align-items: start;
}

/* ── Card ── */
.sep-card {
    background: var(--sep-card-bg);
    border: 1px solid var(--sep-card-border);
    border-radius: var(--sep-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--sep-transition), border-color var(--sep-transition), box-shadow var(--sep-transition);
    position: relative;
}

.sep-card:hover {
    transform: translateY(-4px);
    border-color: var(--sep-card-hover);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(74, 144, 217, 0.1);
}

.sep-card-featured {
    border-color: rgba(74, 144, 217, 0.35);
}

/* ── Card Image ── */
.sep-card-image {
    position: relative;
    height: var(--sep-list-img-height, 200px);
    overflow: hidden;
    background: #ffffff;
}

.sep-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform 0.4s ease;
}

.sep-card:hover .sep-card-image img {
    transform: scale(1.04);
}

.sep-card-image a {
    display: block;
}

.sep-card-image a:hover img {
    transform: scale(1.04);
}

.sep-badge-featured {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--sep-accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 999px;
}

/* ── Card Body ── */
.sep-card-body {
    padding: 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ── Category Label ── */
.sep-category-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--sep-accent2);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ── Tags ── */
.sep-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.sep-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--sep-tag-bg);
    border: 1px solid var(--sep-tag-border);
    color: var(--sep-accent);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

/* ── Card Title ── */
.sep-card-title {
    font-size: var(--sep-list-title-size, 1.3rem);
    font-weight: var(--sep-title-weight, 700);
    color: var(--sep-title-color, var(--sep-white));
    margin: 0;
    line-height: 1.3;
}

/* ── Client ── */
.sep-client {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--sep-muted);
}

.sep-client-icon {
    color: var(--sep-accent);
    font-size: 0.7rem;
}

.sep-year {
    margin-left: 8px;
    font-size: 1rem;
    font-weight: 400;
    color: #8a97a6;
}

/* ── Description ── */
.sep-description {
    font-size: var(--sep-body-size, 0.85rem);
    color: var(--sep-text);
    line-height: 1.6;
    opacity: 0.85;
}

/* ── Card Footer ── */
.sep-card-footer {
    padding-top: 8px;
    border-top: 1px solid var(--sep-card-border);
    margin-top: auto;
}

.sep-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sep-accent);
    text-decoration: none;
    transition: gap var(--sep-transition);
}

.sep-link:hover {
    gap: 10px;
    text-decoration: none;
    color: var(--sep-accent);
}

.sep-link span {
    transition: transform var(--sep-transition);
}

.sep-link:hover span {
    transform: translateX(4px);
}

/* ── Visit Button (overlay) ── */
.sep-btn-visit {
    display: inline-flex;
    align-self: flex-start;
    align-items: center;
    padding: 10px 24px;
    border-radius: 999px;
    background: var(--sep-accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--sep-transition), transform var(--sep-transition);
}

.sep-btn-visit:hover {
    background: #3a7bc8;
    transform: scale(1.04);
    text-decoration: none;
    color: #fff;
}

.sep-btn-large {
    padding: 12px 28px;
    font-size: 0.9rem;
    margin-top: 12px;
}

/* ── Empty State ── */
.sep-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--sep-muted);
}

/* ── Features List ── */
.sep-features {
    margin-top: 16px;
}

.sep-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sep-features-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    color: #3a4450;
}

.sep-features-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sep-accent2);
    flex-shrink: 0;
}

/* ── Project Detail Page ── */
.sep-project-wrap {
    padding: 40px 0 60px;
}

.sep-project-back {
    margin-bottom: 28px;
}

.sep-project-back a {
    color: var(--sep-accent);
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sep-project-back a:hover {
    text-decoration: underline;
}

.sep-project-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-bottom: 56px;
}

.sep-project-image {
    align-self: start;
}

.sep-project-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 16px 36px rgba(20, 40, 70, 0.14));
}

.sep-project-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
}

.sep-project-title {
    font-size: var(--sep-title-size, 1.9rem);
    font-weight: 800;
    color: #1a2332;
    margin: 0 0 4px;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.sep-category span {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(74, 144, 217, 0.1);
    border: 1px solid rgba(74, 144, 217, 0.25);
    color: var(--sep-accent);
    font-size: 0.8rem;
    font-weight: 600;
}

.sep-project-description {
    width: 100%;
    margin-top: 10px;
    padding-top: 22px;
    border-top: 1px solid #e4e9ef;
    color: #2b333d;
    font-size: 1rem;
    line-height: 1.75;
}

.sep-project-description p {
    margin: 0 0 1em;
}

.sep-project-description p:last-child {
    margin-bottom: 0;
}

.sep-project-description > *:empty {
    display: none;
}

.sep-project-description hr {
    display: none;
}

/* ── Card entrance animation ── */
.sep-card {
    animation: sep-card-in 0.4s ease both;
}

.sep-grid .sep-card:nth-child(1) { animation-delay: 0.05s; }
.sep-grid .sep-card:nth-child(2) { animation-delay: 0.1s; }
.sep-grid .sep-card:nth-child(3) { animation-delay: 0.15s; }
.sep-grid .sep-card:nth-child(4) { animation-delay: 0.2s; }
.sep-grid .sep-card:nth-child(5) { animation-delay: 0.25s; }
.sep-grid .sep-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes sep-card-in {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .sep-grid {
        grid-template-columns: 1fr;
    }

    .sep-project-hero {
        grid-template-columns: 1fr;
    }
}