/* ============================================
   SOFTWARE DOWNLOADS PAGE (btd- prefix)
   ============================================ */

/* ── Hero ──────────────────────────────────── */
.btd-hero { position: relative; padding: 80px 0 60px; overflow: hidden; text-align: center; }
.btd-hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.btd-hero__orb { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.2; }
.btd-hero__orb--1 { width: 350px; height: 350px; background: var(--bt-accent); top: -80px; right: -80px; animation: btd-float 8s ease-in-out infinite; }
.btd-hero__orb--2 { width: 300px; height: 300px; background: var(--bt-primary); bottom: -60px; left: -60px; animation: btd-float 8s ease-in-out infinite reverse; }
@keyframes btd-float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-20px,15px); } }
.btd-hero__inner { position: relative; z-index: 1; max-width: 650px; margin: 0 auto; }
.btd-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px; background: rgba(var(--bt-accent-rgb),0.1); border: 1px solid rgba(var(--bt-accent-rgb),0.2); border-radius: var(--bt-radius-full); font-size: var(--bt-fs-sm); font-weight: var(--bt-fw-medium); color: var(--bt-accent); margin-bottom: var(--bt-space-lg); }
.btd-pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--bt-primary); animation: btd-pulse 2s ease-in-out infinite; }
@keyframes btd-pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
.btd-hero__title { font-size: var(--bt-fs-4xl); font-weight: var(--bt-fw-extrabold); line-height: 1.15; margin-bottom: var(--bt-space-lg); }
.btd-hero__sub { font-size: var(--bt-fs-md); color: var(--bt-text-secondary); max-width: 520px; margin: 0 auto; line-height: 1.8; }
.btd-gradient { background: linear-gradient(135deg, var(--bt-accent), var(--bt-primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── Main Section ──────────────────────────── */
.btd-main { padding: 0 0 80px; }

/* ── Filters ───────────────────────────────── */
.btd-filters { display: flex; align-items: center; gap: 10px; justify-content: center; margin-bottom: var(--bt-space-xl); flex-wrap: wrap; }
.btd-filter {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 20px;
    background: var(--bt-glass-bg); border: 1px solid var(--bt-border-color);
    border-radius: var(--bt-radius-full);
    color: var(--bt-text-secondary); font-size: var(--bt-fs-sm); font-weight: var(--bt-fw-medium);
    cursor: pointer; transition: all var(--bt-transition-fast);
}
.btd-filter:hover, .btd-filter--active { background: rgba(var(--bt-accent-rgb),0.1); border-color: var(--bt-accent); color: var(--bt-accent); }

/* ── Grid ──────────────────────────────────── */
.btd-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Card ──────────────────────────────────── */
.btd-card {
    background: var(--bt-glass-bg);
    backdrop-filter: blur(var(--bt-glass-blur));
    border: 1px solid var(--bt-glass-border);
    border-radius: var(--bt-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--bt-transition-base);
}
.btd-card:hover { border-color: rgba(var(--bt-accent-rgb),0.3); box-shadow: var(--bt-shadow-neon); transform: translateY(-4px); }

.btd-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px 0;
}

.btd-card__icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(var(--bt-accent-rgb),0.1);
    border-radius: var(--bt-radius-md);
    color: var(--bt-accent);
}

.btd-card__cat {
    padding: 3px 10px;
    font-size: 0.6rem; font-weight: var(--bt-fw-semibold);
    text-transform: uppercase; letter-spacing: 0.05em;
    background: rgba(var(--bt-primary-rgb),0.1);
    color: var(--bt-primary-light);
    border-radius: var(--bt-radius-full);
}

.btd-card__body { padding: 16px 18px; flex: 1; }
.btd-card__title { font-size: var(--bt-fs-sm); font-weight: var(--bt-fw-semibold); margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.btd-card__desc { font-size: 0.72rem; color: var(--bt-text-muted); margin-bottom: 10px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.btd-card__meta { display: flex; flex-wrap: wrap; gap: 10px; }
.btd-card__meta-item {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 0.65rem; color: var(--bt-text-muted);
}

.btd-card__footer { padding: 0 18px 18px; margin-top: auto; }

/* ── Buttons ───────────────────────────────── */
.btd-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%; padding: 10px 16px;
    font-family: var(--bt-font-primary); font-size: 0.78rem; font-weight: var(--bt-fw-semibold);
    border: none; border-radius: var(--bt-radius-md);
    cursor: pointer; transition: all var(--bt-transition-base);
    text-decoration: none; text-align: center;
}
.btd-btn--primary {
    background: linear-gradient(135deg, var(--bt-accent), #00b8c5);
    color: var(--bt-dark);
    box-shadow: 0 4px 12px rgba(var(--bt-accent-rgb),0.3);
}
.btd-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(var(--bt-accent-rgb),0.5); color: var(--bt-dark); }
.btd-btn--disabled { background: var(--bt-input-bg); color: var(--bt-text-muted); cursor: default; }

/* ── Empty State ───────────────────────────── */
.btd-empty { text-align: center; padding: 60px 30px; max-width: 500px; margin: 0 auto; }
.btd-empty svg { margin: 0 auto 16px; display: block; }
.btd-empty h3 { font-size: var(--bt-fs-lg); margin-bottom: 8px; }
.btd-empty p { font-size: var(--bt-fs-sm); color: var(--bt-text-secondary); }

/* ── Responsive ────────────────────────────── */
@media (max-width: 1024px) { .btd-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
    .btd-hero { padding: 60px 0 40px; }
    .btd-hero__title { font-size: var(--bt-fs-2xl); }
    .btd-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 576px) {
    .btd-grid { grid-template-columns: 1fr; }
    .btd-hero__title { font-size: var(--bt-fs-xl); }
}