/* ============================================================
 * bn800.homes - Mobile-first stylesheet
 * All custom classes use the vfd5- prefix.
 * Palette: #F8F9FA | #2C3E50 | #FF5722 | #FFB6C1 | #880E4F
 * ============================================================ */

:root {
    --vfd5-bg: #2C3E50;
    --vfd5-bg-deep: #1d2b3a;
    --vfd5-bg-soft: #34485e;
    --vfd5-text: #F8F9FA;
    --vfd5-text-muted: #c5ced9;
    --vfd5-accent: #FF5722;
    --vfd5-accent-deep: #c0411a;
    --vfd5-pink: #FFB6C1;
    --vfd5-pink-deep: #880E4F;
    --vfd5-border: rgba(248, 249, 250, 0.12);
    --vfd5-radius: 14px;
    --vfd5-radius-sm: 10px;
    --vfd5-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
    --vfd5-header-h: 60px;
    --vfd5-bottom-h: 66px;
    --vfd5-max-canvas: 430px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--vfd5-bg-deep);
    color: var(--vfd5-text);
    font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    -webkit-text-size-adjust: 100%;
}

body {
    max-width: var(--vfd5-max-canvas);
    margin: 0 auto;
    background: var(--vfd5-bg);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--vfd5-pink); text-decoration: none; }
a:hover { color: var(--vfd5-accent); }

/* =================== Header =================== */
.vfd5-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: linear-gradient(120deg, var(--vfd5-bg-deep) 0%, var(--vfd5-bg-soft) 100%);
    border-bottom: 2px solid var(--vfd5-accent);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: var(--vfd5-header-h);
}

.vfd5-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.vfd5-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    border: 2px solid var(--vfd5-accent);
    background: var(--vfd5-bg-deep);
    flex-shrink: 0;
}

.vfd5-brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    min-width: 0;
}
.vfd5-brand-name strong {
    font-size: 18px;
    letter-spacing: 0.4px;
    color: var(--vfd5-text);
    font-weight: 800;
}
.vfd5-brand-name span {
    font-size: 10px;
    color: var(--vfd5-pink);
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.vfd5-head-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.vfd5-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 13px;
    border: none;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease;
    color: #fff;
    background: var(--vfd5-accent);
    box-shadow: 0 3px 0 var(--vfd5-accent-deep);
    text-align: center;
    line-height: 1.1;
}
.vfd5-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 var(--vfd5-accent-deep); }
.vfd5-btn-secondary {
    background: transparent;
    color: var(--vfd5-text);
    border: 1.5px solid var(--vfd5-pink);
    box-shadow: none;
}
.vfd5-btn-secondary:active { background: rgba(255, 182, 193, 0.12); }

.vfd5-menu-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(248, 249, 250, 0.08);
    border: 1px solid var(--vfd5-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--vfd5-text);
    flex-shrink: 0;
}
.vfd5-menu-btn:active { background: rgba(255, 87, 34, 0.18); }
.vfd5-menu-btn svg { width: 22px; height: 22px; }

/* =================== Menu Drawer =================== */
.vfd5-menu-drawer {
    position: absolute;
    top: calc(var(--vfd5-header-h) + 2px);
    left: 0;
    right: 0;
    background: var(--vfd5-bg-deep);
    border-bottom: 1px solid var(--vfd5-border);
    padding: 10px 12px 14px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 70;
    box-shadow: var(--vfd5-shadow);
}
.vfd5-menu-drawer.vfd5-menu-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.vfd5-menu-drawer a {
    display: block;
    padding: 10px 12px;
    background: rgba(248, 249, 250, 0.05);
    border: 1px solid var(--vfd5-border);
    border-radius: var(--vfd5-radius-sm);
    color: var(--vfd5-text);
    font-size: 13.5px;
    font-weight: 600;
}
.vfd5-menu-drawer a:active { background: rgba(255, 87, 34, 0.16); }

/* =================== Hero Carousel =================== */
.vfd5-hero-wrap {
    position: relative;
    overflow: hidden;
    border-radius: 0 0 18px 18px;
    margin-bottom: 14px;
    box-shadow: var(--vfd5-shadow);
}
.vfd5-hero-track {
    display: flex;
    transition: transform 0.5s ease;
    will-change: transform;
}
.vfd5-hero-slide {
    flex: 0 0 100%;
    position: relative;
    cursor: pointer;
}
.vfd5-hero-slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.vfd5-hero-cap {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    background: linear-gradient(transparent, rgba(29, 43, 58, 0.92));
    padding: 22px 14px 10px;
    border-radius: 12px;
}
.vfd5-hero-cap h2 {
    margin: 0 0 4px;
    font-size: 17px;
    color: #fff;
    font-weight: 800;
}
.vfd5-hero-cap p {
    margin: 0;
    font-size: 12.5px;
    color: var(--vfd5-pink);
}
.vfd5-hero-dots {
    position: absolute;
    bottom: 6px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    z-index: 4;
}
.vfd5-hero-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(248, 249, 250, 0.45);
    border: none;
    cursor: pointer;
    padding: 0;
}
.vfd5-hero-dot.vfd5-dot-active { background: var(--vfd5-accent); transform: scale(1.25); }

/* =================== Layout =================== */
.vfd5-main {
    padding: 4px 12px 24px;
    padding-bottom: calc(var(--vfd5-bottom-h) + 24px);
}

.vfd5-section {
    margin-bottom: 22px;
}
.vfd5-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px dashed var(--vfd5-border);
}
.vfd5-section-head h2 {
    margin: 0;
    font-size: 16.5px;
    color: var(--vfd5-text);
    font-weight: 800;
    letter-spacing: 0.2px;
}
.vfd5-section-head a {
    font-size: 12px;
    color: var(--vfd5-accent);
    font-weight: 700;
}

.vfd5-intro {
    background: linear-gradient(135deg, rgba(136, 14, 79, 0.22), rgba(255, 87, 34, 0.12));
    border: 1px solid rgba(255, 87, 34, 0.3);
    border-radius: var(--vfd5-radius);
    padding: 14px;
    margin-bottom: 18px;
}
.vfd5-intro h1 {
    margin: 0 0 8px;
    font-size: 20px;
    color: var(--vfd5-text);
    line-height: 1.3;
    font-weight: 800;
}
.vfd5-intro p {
    margin: 0;
    font-size: 13.5px;
    color: var(--vfd5-text-muted);
}
.vfd5-intro .vfd5-cta-row {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* =================== Game Grid =================== */
.vfd5-cat-block { margin-bottom: 22px; }
.vfd5-cat-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 10px;
    font-size: 15.5px;
    color: var(--vfd5-text);
    font-weight: 800;
}
.vfd5-cat-title::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 3px;
    background: linear-gradient(var(--vfd5-accent), var(--vfd5-pink-deep));
    display: inline-block;
}
.vfd5-cat-title small {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    color: var(--vfd5-pink);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.vfd5-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
@media (min-width: 360px) {
    .vfd5-grid { gap: 9px; }
}
@media (min-width: 400px) {
    .vfd5-grid { grid-template-columns: repeat(5, 1fr); }
}

.vfd5-game-card {
    background: var(--vfd5-bg-soft);
    border: 1px solid var(--vfd5-border);
    border-radius: var(--vfd5-radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    display: flex;
    flex-direction: column;
    text-align: center;
}
.vfd5-game-card:active {
    transform: scale(0.96);
    border-color: var(--vfd5-accent);
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}
.vfd5-game-card img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: #0f1a25;
}
.vfd5-game-card span {
    display: block;
    padding: 5px 4px 6px;
    font-size: 10.5px;
    color: var(--vfd5-text);
    line-height: 1.2;
    min-height: 28px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* =================== Chip Filter =================== */
.vfd5-chip-row {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 10px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.vfd5-chip-row::-webkit-scrollbar { display: none; }
.vfd5-chip {
    flex-shrink: 0;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(248, 249, 250, 0.06);
    color: var(--vfd5-text-muted);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--vfd5-border);
    cursor: pointer;
}
.vfd5-chip.vfd5-chip-active {
    background: var(--vfd5-accent);
    color: #fff;
    border-color: var(--vfd5-accent);
}

/* =================== Info Cards =================== */
.vfd5-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.vfd5-info-card {
    background: var(--vfd5-bg-soft);
    border: 1px solid var(--vfd5-border);
    border-radius: var(--vfd5-radius);
    padding: 12px;
}
.vfd5-info-card h3 {
    margin: 0 0 6px;
    font-size: 13.5px;
    color: var(--vfd5-accent);
    font-weight: 800;
}
.vfd5-info-card p {
    margin: 0 0 8px;
    font-size: 12.5px;
    color: var(--vfd5-text-muted);
}
.vfd5-info-card a {
    font-size: 12px;
    font-weight: 700;
}

.vfd5-steps {
    counter-reset: step;
    list-style: none;
    padding: 0;
    margin: 0;
}
.vfd5-steps li {
    position: relative;
    padding: 8px 8px 8px 38px;
    margin-bottom: 8px;
    background: var(--vfd5-bg-soft);
    border-radius: var(--vfd5-radius-sm);
    border: 1px solid var(--vfd5-border);
    font-size: 13px;
    color: var(--vfd5-text);
}
.vfd5-steps li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--vfd5-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.vfd5-prose {
    background: var(--vfd5-bg-soft);
    border: 1px solid var(--vfd5-border);
    border-radius: var(--vfd5-radius);
    padding: 14px;
    font-size: 13.5px;
    color: var(--vfd5-text-muted);
}
.vfd5-prose h2 {
    color: var(--vfd5-text);
    font-size: 16px;
    margin: 14px 0 6px;
    font-weight: 800;
}
.vfd5-prose h2:first-child { margin-top: 0; }
.vfd5-prose h3 {
    color: var(--vfd5-pink);
    font-size: 14px;
    margin: 12px 0 4px;
    font-weight: 700;
}
.vfd5-prose p { margin: 0 0 10px; }
.vfd5-prose ul { margin: 0 0 10px; padding-left: 18px; }
.vfd5-prose li { margin-bottom: 4px; }

/* =================== Footer (extended) =================== */
.vfd5-site-footer {
    margin-top: 12px;
    border-top: 2px solid var(--vfd5-accent);
    background: var(--vfd5-bg-deep);
    padding: 16px 12px;
}
.vfd5-footer-brand {
    font-size: 13px;
    color: var(--vfd5-text-muted);
    margin-bottom: 12px;
}
.vfd5-footer-brand strong { color: var(--vfd5-text); font-size: 15px; }

.vfd5-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}
.vfd5-footer-links a {
    padding: 8px 10px;
    background: rgba(248, 249, 250, 0.05);
    border: 1px solid var(--vfd5-border);
    border-radius: 8px;
    font-size: 12px;
    color: var(--vfd5-text);
    text-align: center;
}
.vfd5-footer-links a:active { background: rgba(255, 87, 34, 0.16); }

.vfd5-disclaimer {
    padding: 10px 12px;
    background: rgba(136, 14, 79, 0.18);
    border: 1px solid rgba(255, 182, 193, 0.25);
    border-radius: var(--vfd5-radius-sm);
    font-size: 11.5px;
    color: var(--vfd5-pink);
    text-align: center;
    margin-bottom: 12px;
}
.vfd5-copy {
    text-align: center;
    font-size: 11.5px;
    color: var(--vfd5-text-muted);
    padding: 6px 0 4px;
}

/* =================== Bottom Nav =================== */
.vfd5-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: var(--vfd5-max-canvas);
    background: linear-gradient(180deg, var(--vfd5-bg-soft), var(--vfd5-bg-deep));
    border-top: 2px solid var(--vfd5-pink-deep);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    height: var(--vfd5-bottom-h);
    z-index: 90;
    box-shadow: 0 -3px 14px rgba(0, 0, 0, 0.35);
}
.vfd5-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--vfd5-text-muted);
    text-decoration: none;
    background: none;
    border: none;
    padding: 6px 2px;
    cursor: pointer;
    position: relative;
    transition: color 0.18s ease, transform 0.12s ease;
    min-height: 44px;
    font-family: inherit;
}
.vfd5-nav-item:active { transform: translateY(1px); }
.vfd5-nav-icon {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    background: rgba(248, 249, 250, 0.08);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.18s ease, transform 0.18s ease;
}
.vfd5-nav-icon svg { width: 18px; height: 18px; }
.vfd5-nav-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2px;
}
.vfd5-nav-item.vfd5-nav-active { color: var(--vfd5-text); }
.vfd5-nav-item.vfd5-nav-active .vfd5-nav-icon {
    background: var(--vfd5-accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 87, 34, 0.4);
}
.vfd5-nav-item.vfd5-nav-active .vfd5-nav-label {
    color: var(--vfd5-accent);
    font-weight: 800;
}
.vfd5-nav-item.vfd5-nav-promo .vfd5-nav-icon {
    background: linear-gradient(135deg, var(--vfd5-accent), var(--vfd5-pink-deep));
    color: #fff;
}

/* =================== Reveal =================== */
.vfd5-reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.vfd5-reveal.vfd5-visible { opacity: 1; transform: none; }

/* =================== Utilities =================== */
.vfd5-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.vfd5-divider {
    height: 1px;
    background: var(--vfd5-border);
    margin: 16px 0;
}