/* ── Boot overlay ── */
#boot-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg, #000);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 48px;
    transition: opacity .6s ease;
}

#boot-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.boot-line {
    font-family: var(--mono);
    font-size: clamp(.8rem, 1.5vw, 1rem);
    color: var(--muted);
    letter-spacing: 2px;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .3s ease, transform .3s ease;
}

.boot-line.visible {
    opacity: 1;
    transform: translateY(0);
}

.boot-line .ok   { color: #00d26a; }
.boot-line .fail { color: var(--accent2); }
.boot-line .acc  { color: var(--accent); font-size: 1.1em; text-shadow: var(--glow); }

.boot-cursor {
    display: inline-block;
    width: 9px; height: 1em;
    background: var(--accent);
    vertical-align: middle;
    margin-left: 4px;
    animation: blink .85s step-end infinite;
}

/* ── Blog-specific styles ── */
#blog-hero {
    min-height: 38vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 120px 48px 60px;
    position: relative;
    overflow: hidden;
}

.hex-bg {
    position: absolute; inset: 0; z-index: 0; opacity: .06;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100'%3E%3Cpath d='M28 66L0 50V17L28 0l28 17v33zm0 34L0 84V51l28-17 28 17v33z' fill='none' stroke='%2300ffe7' stroke-width='.5'/%3E%3C/svg%3E");
    background-size: 56px 100px;
    animation: hexDrift 30s linear infinite;
}
@keyframes hexDrift { to { background-position: 56px 100px; } }

.blog-hero-content {
    position: relative; z-index: 1;
}

.blog-eyebrow {
    font-family: var(--mono);
    font-size: .72rem;
    color: var(--accent2);
    letter-spacing: 4px;
    margin-bottom: 14px;
    opacity: 0;
    animation: fadeUp .6s .2s forwards;
}

.blog-title {
    font-family: var(--head);
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: 4px;
    line-height: 1;
    opacity: 0;
    animation: fadeUp .6s .4s forwards;
}

.blog-title .accent-c { color: var(--accent); text-shadow: var(--glow); }
.blog-title .accent-r { color: var(--accent2); text-shadow: var(--glow2); }

.blog-subtitle {
    font-family: var(--mono);
    font-size: .9rem;
    color: var(--muted);
    margin-top: 16px;
    opacity: 0;
    animation: fadeUp .6s .6s forwards;
}

.blog-subtitle .blink {
    display: inline-block; width: 10px; height: 1.1em;
    background: var(--accent); vertical-align: middle; margin-left: 4px;
    animation: blink .85s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.blog-stats {
    display: flex;
    gap: 32px;
    margin-top: 36px;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp .6s .8s forwards;
}

.blog-stat-num {
    font-family: var(--head);
    font-size: 1.5rem;
    color: var(--accent);
    text-shadow: var(--glow);
    font-weight: 900;
}

.blog-stat-label {
    font-family: var(--mono);
    font-size: .6rem;
    color: var(--muted);
    letter-spacing: 2px;
    margin-top: 2px;
}

/* ── Filter bar ── */
#posts-section {
    padding: 60px 48px 100px;
    background: var(--bg2);
}

.filter-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-label {
    font-family: var(--mono);
    font-size: .68rem;
    color: var(--muted);
    letter-spacing: 2px;
    margin-right: 4px;
}

.filter-btn {
    font-family: var(--mono);
    font-size: .7rem;
    letter-spacing: 2px;
    padding: 7px 16px;
    border: 1px solid var(--border);
    color: var(--muted);
    background: transparent;
    cursor: none;
    transition: all .2s;
    clip-path: polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0,255,231,.05);
}

.filter-btn.active { box-shadow: var(--glow); }

/* ── Search box ── */
.search-wrap {
    margin-left: auto;
    position: relative;
}

.search-input {
    font-family: var(--mono);
    font-size: .75rem;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 8px 16px 8px 36px;
    outline: none;
    width: 220px;
    transition: border-color .2s, box-shadow .2s;
    clip-path: polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
    cursor: none;
}

.search-input:focus {
    border-color: var(--accent);
    box-shadow: var(--glow);
}

.search-icon {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: .8rem;
    pointer-events: none;
}

/* ── Posts grid ── */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

/* ── Post card ── */
.post-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 28px;
    position: relative;
    overflow: hidden;
    clip-path: polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,18px 100%,0 calc(100% - 18px));
    transition: border-color .3s, transform .3s, box-shadow .3s;
    text-decoration: none;
    display: block;
    cursor: none;
    opacity: 0;
    transform: translateY(24px);
}

.post-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity .5s ease, transform .5s ease, border-color .3s, box-shadow .3s;
}

.post-card::after {
    content: '';
    position: absolute; top: 0; right: 0;
    width: 0; height: 0;
    border-style: solid;
    border-width: 0 18px 18px 0;
    border-color: transparent var(--border) transparent transparent;
    transition: border-color .3s;
}

.post-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--glow);
}

.post-card:hover::after {
    border-color: transparent var(--accent) transparent transparent;
}

/* Platform badge */
.post-platform {
    display: inline-block;
    font-family: var(--mono);
    font-size: .62rem;
    letter-spacing: 2px;
    padding: 3px 10px;
    border: 1px solid;
    margin-bottom: 14px;
}

.post-platform.THM  { color: #00d26a; border-color: rgba(0,210,106,.4); }
.post-platform.HTB  { color: var(--accent); border-color: rgba(0,255,231,.4); }
.post-platform.CTF  { color: var(--accent3); border-color: rgba(240,192,64,.4); }
.post-platform.OTHER { color: var(--muted); border-color: var(--border); }

.post-date {
    font-family: var(--mono);
    font-size: .65rem;
    color: var(--muted);
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.post-title {
    font-family: var(--head);
    font-size: 1.05rem;
    color: #fff;
    letter-spacing: 2px;
    margin-bottom: 10px;
    line-height: 1.3;
}

.post-desc {
    font-family: var(--body);
    font-size: .93rem;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-clamp: 3; 
}

.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.post-read {
    font-family: var(--mono);
    font-size: .7rem;
    color: var(--accent);
    letter-spacing: 2px;
}

.post-card:hover .post-read {
    text-shadow: var(--glow);
}

/* Difficulty dot */
.post-diff {
    font-family: var(--mono);
    font-size: .65rem;
    letter-spacing: 1px;
}
.post-diff.Easy   { color: #00d26a; }
.post-diff.Medium { color: var(--accent3); }
.post-diff.Hard   { color: var(--accent2); }
.post-diff.Insane { color: #ff00ff; }

/* ── Empty / no results ── */
.no-posts {
    font-family: var(--mono);
    font-size: .85rem;
    color: var(--muted);
    text-align: center;
    padding: 80px 0;
    grid-column: 1 / -1;
}

.no-posts span { color: var(--accent2); }

/* ── Scanline + grain inherited from body pseudos in style.css ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media(max-width: 768px) {
    #blog-hero    { padding: 100px 20px 50px; }
    #posts-section { padding: 40px 20px 80px; }
    .posts-grid   { grid-template-columns: 1fr; }
    .search-wrap  { margin-left: 0; width: 100%; }
    .search-input { width: 100%; }
    .filter-bar   { gap: 8px; }
}