/* ============================================================
 * shuvo777 shell stylesheet
 * All classes use the pg4a- prefix for namespace isolation.
 * Mobile-first 320-430px canvas; wide screens keep the canvas centered.
 * ============================================================ */

/* ------- Design tokens ------- */
:root {
    --pg4a-orange: #FF9500;
    --pg4a-rust: #BF360C;
    --pg4a-gold: #FFD700;
    --pg4a-ink: #0A0A0A;
    --pg4a-mint: #BAFFC9;
    --pg4a-mute: #D3D3D3;
    --pg4a-bg: #0A0A0A;
    --pg4a-bg-soft: #14110C;
    --pg4a-bg-card: #1B160E;
    --pg4a-bg-elev: #221B10;
    --pg4a-line: rgba(255, 213, 100, 0.14);
    --pg4a-line-strong: rgba(255, 149, 0, 0.35);
    --pg4a-text: #FFF7E6;
    --pg4a-text-dim: #C9BFA8;
    --pg4a-text-mute: #8E8772;
    --pg4a-shadow: 0 12px 28px rgba(0, 0, 0, 0.55);
    --pg4a-radius: 14px;
    --pg4a-radius-sm: 10px;
    --pg4a-radius-lg: 20px;
    --pg4a-header-h: 60px;
    --pg4a-bottom-h: 64px;
    --pg4a-safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ------- Reset ------- */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}
html, body {
    margin: 0;
    padding: 0;
    background: var(--pg4a-bg);
    color: var(--pg4a-text);
    font-family: "Hind Siliguri", "Noto Sans Bengali", "SolaimanLipi", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: var(--pg4a-gold);
    text-decoration: none;
}
a:hover, a:focus {
    color: var(--pg4a-orange);
}
button {
    font-family: inherit;
    cursor: pointer;
}
h1, h2, h3, h4 {
    margin: 0 0 8px;
    line-height: 1.3;
    color: var(--pg4a-text);
    font-weight: 700;
}

/* ------- Phone canvas frame ------- */
.pg4a-canvas {
    max-width: 430px;
    margin: 0 auto;
    min-height: 100vh;
    background:
        radial-gradient(900px 360px at 50% -80px, rgba(255, 149, 0, 0.22), transparent 60%),
        linear-gradient(180deg, #0c0a06 0%, #0A0A0A 40%, #0A0A0A 100%);
    position: relative;
    box-shadow: var(--pg4a-shadow);
}

/* ------- Header ------- */
.pg4a-header {
    position: sticky;
    top: 0;
    z-index: 60;
    height: var(--pg4a-header-h);
    background: linear-gradient(180deg, rgba(20, 17, 12, 0.97), rgba(10, 10, 10, 0.92));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--pg4a-line);
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 8px;
}
.pg4a-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}
.pg4a-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--pg4a-orange);
    background: var(--pg4a-bg-card);
    flex-shrink: 0;
}
.pg4a-brand-name {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.3px;
    background: linear-gradient(90deg, var(--pg4a-gold), var(--pg4a-orange));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}
.pg4a-brand-tag {
    font-size: 10px;
    color: var(--pg4a-mint);
    background: rgba(186, 255, 201, 0.08);
    border: 1px solid rgba(186, 255, 201, 0.22);
    border-radius: 999px;
    padding: 2px 6px;
    margin-left: 4px;
}
.pg4a-header-spacer {
    flex: 1 1 auto;
}
.pg4a-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}
.pg4a-btn {
    border: 0;
    border-radius: 999px;
    padding: 9px 14px;
    font-size: 13px;
    font-weight: 700;
    min-height: 36px;
    min-width: 44px;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.pg4a-btn:active {
    transform: translateY(1px);
}
.pg4a-btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--pg4a-text);
    border: 1px solid var(--pg4a-line);
}
.pg4a-btn-gold {
    background: linear-gradient(135deg, var(--pg4a-orange), var(--pg4a-gold));
    color: #1a0f00;
    box-shadow: 0 6px 16px rgba(255, 149, 0, 0.35);
}
.pg4a-btn-rust {
    background: linear-gradient(135deg, var(--pg4a-rust), var(--pg4a-orange));
    color: #fff;
}
.pg4a-btn-block {
    display: block;
    width: 100%;
    padding: 13px;
    font-size: 15px;
}
.pg4a-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--pg4a-line);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pg4a-text);
}
.pg4a-icon-btn svg {
    width: 20px;
    height: 20px;
}

/* ------- Route panel (mobile menu) ------- */
.pg4a-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 80;
}
.pg4a-backdrop-on {
    opacity: 1;
    pointer-events: auto;
}
.pg4a-route-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 78%;
    max-width: 320px;
    height: 100vh;
    background: linear-gradient(180deg, #15110a, #0A0A0A);
    border-left: 1px solid var(--pg4a-line-strong);
    z-index: 90;
    transform: translateX(105%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    padding: 18px 14px calc(var(--pg4a-bottom-h) + 24px);
}
.pg4a-route-open {
    transform: translateX(0);
}
.pg4a-route-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.pg4a-route-head h3 {
    font-size: 16px;
    color: var(--pg4a-gold);
    margin: 0;
}
.pg4a-route-close {
    background: transparent;
    border: 0;
    color: var(--pg4a-text);
    font-size: 20px;
    width: 36px;
    height: 36px;
}
.pg4a-route-section {
    font-size: 11px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--pg4a-text-mute);
    margin: 14px 4px 6px;
}
.pg4a-route-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.pg4a-route-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    color: var(--pg4a-text);
    border-radius: 10px;
    font-size: 14px;
    border: 1px solid transparent;
}
.pg4a-route-list li a:hover {
    background: rgba(255, 149, 0, 0.08);
    border-color: var(--pg4a-line);
    color: var(--pg4a-gold);
}
.pg4a-route-list li a span.pg4a-route-ico {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--pg4a-orange);
}
.pg4a-route-promo {
    margin-top: 14px;
}

/* ------- Hero carousel ------- */
.pg4a-hero {
    position: relative;
    margin: 12px 10px 4px;
    border-radius: var(--pg4a-radius-lg);
    overflow: hidden;
    border: 1px solid var(--pg4a-line-strong);
    background: #0a0a0a;
}
.pg4a-hero-viewport {
    overflow: hidden;
    border-radius: var(--pg4a-radius-lg);
}
.pg4a-hero-track {
    display: flex;
    transition: transform 0.45s ease;
    will-change: transform;
}
.pg4a-hero-slide {
    flex: 0 0 100%;
    position: relative;
    cursor: pointer;
}
.pg4a-hero-slide img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    display: block;
}
.pg4a-hero-cap {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 14px;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.78));
    color: #fff;
    padding: 18px 12px 10px;
    border-radius: 0 0 var(--pg4a-radius-lg) var(--pg4a-radius-lg);
}
.pg4a-hero-cap h2 {
    font-size: 18px;
    margin: 0 0 4px;
    color: var(--pg4a-gold);
}
.pg4a-hero-cap p {
    margin: 0;
    font-size: 12px;
    color: var(--pg4a-mute);
}
.pg4a-hero-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 8px;
    display: flex;
    justify-content: center;
    gap: 6px;
    z-index: 5;
}
.pg4a-hero-dot {
    width: 7px;
    height: 7px;
    padding: 0;
    border-radius: 50%;
    border: 0;
    background: rgba(255, 255, 255, 0.45);
    transition: background 0.2s ease, width 0.2s ease;
}
.pg4a-hero-dot-active {
    background: var(--pg4a-gold);
    width: 18px;
    border-radius: 5px;
}

/* ------- Promo strip / stat row ------- */
.pg4a-promo-strip {
    margin: 12px 10px;
    padding: 12px 14px;
    border-radius: var(--pg4a-radius);
    background: linear-gradient(120deg, rgba(191, 54, 12, 0.85), rgba(255, 149, 0, 0.85));
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 213, 100, 0.4);
    box-shadow: var(--pg4a-shadow);
}
.pg4a-promo-strip h3 {
    font-size: 15px;
    margin: 0 0 2px;
    color: #fff;
}
.pg4a-promo-strip p {
    margin: 0;
    font-size: 12px;
    opacity: 0.92;
}
.pg4a-promo-strip .pg4a-btn {
    flex-shrink: 0;
}
.pg4a-stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin: 12px 10px;
}
.pg4a-stat {
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius-sm);
    padding: 10px 6px;
    text-align: center;
}
.pg4a-stat-num {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: var(--pg4a-gold);
    line-height: 1.1;
}
.pg4a-stat-label {
    font-size: 10px;
    color: var(--pg4a-text-dim);
    margin-top: 3px;
}

/* ------- Section heading ------- */
.pg4a-section {
    margin: 18px 10px 4px;
}
.pg4a-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 8px;
}
.pg4a-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--pg4a-text);
    margin: 0;
}
.pg4a-section-title::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--pg4a-orange), var(--pg4a-gold));
    display: inline-block;
}
.pg4a-section-link {
    font-size: 12px;
    color: var(--pg4a-mint);
}
.pg4a-section-desc {
    font-size: 12px;
    color: var(--pg4a-text-dim);
    margin: 0 0 10px;
}

/* ------- Category chips ------- */
.pg4a-cat-chips {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 4px 10px 10px;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}
.pg4a-cat-chips::-webkit-scrollbar {
    display: none;
}
.pg4a-cat-chip {
    flex: 0 0 auto;
    scroll-snap-align: start;
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    color: var(--pg4a-text-dim);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}
.pg4a-cat-chip-on {
    background: linear-gradient(135deg, var(--pg4a-orange), var(--pg4a-gold));
    color: #1a0f00;
    border-color: transparent;
}

/* ------- Game grid ------- */
.pg4a-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 4px 10px 4px;
}
@media (min-width: 360px) {
    .pg4a-game-grid {
        gap: 10px;
    }
}
@media (min-width: 400px) {
    .pg4a-game-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}
.pg4a-game {
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius-sm);
    overflow: hidden;
    text-align: center;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
}
.pg4a-game:hover, .pg4a-game:focus {
    transform: translateY(-2px);
    border-color: var(--pg4a-orange);
    box-shadow: 0 8px 18px rgba(255, 149, 0, 0.18);
}
.pg4a-game-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: #0a0a0a;
    display: block;
}
.pg4a-game-name {
    font-size: 11px;
    color: var(--pg4a-text);
    padding: 6px 4px 7px;
    line-height: 1.25;
    min-height: 32px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pg4a-game-badge {
    position: relative;
}
.pg4a-game-badge::after {
    content: "HOT";
    position: absolute;
    top: 4px;
    left: 4px;
    background: linear-gradient(135deg, var(--pg4a-rust), var(--pg4a-orange));
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 5px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

/* ------- Category anchor sections ------- */
.pg4a-cat-block {
    margin: 18px 0 4px;
    scroll-margin-top: 76px;
}
.pg4a-cat-banner {
    margin: 0 10px 10px;
    padding: 12px 14px;
    border-radius: var(--pg4a-radius);
    background: linear-gradient(120deg, rgba(255, 149, 0, 0.12), rgba(255, 213, 100, 0.08));
    border: 1px solid var(--pg4a-line-strong);
}
.pg4a-cat-banner h3 {
    margin: 0 0 4px;
    font-size: 15px;
    color: var(--pg4a-gold);
}
.pg4a-cat-banner p {
    margin: 0;
    font-size: 12px;
    color: var(--pg4a-text-dim);
}

/* ------- Content card / FAQ / prose ------- */
.pg4a-content-card {
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius);
    padding: 14px;
    margin: 10px;
}
.pg4a-content-card h3 {
    color: var(--pg4a-orange);
    font-size: 15px;
    margin-bottom: 6px;
}
.pg4a-content-card p {
    color: var(--pg4a-text-dim);
    font-size: 13px;
    margin: 0 0 8px;
}
.pg4a-content-card p:last-child {
    margin-bottom: 0;
}

.pg4a-faq-item {
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius-sm);
    margin: 8px 10px;
    overflow: hidden;
}
.pg4a-faq-q {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    color: var(--pg4a-text);
    padding: 13px 14px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.pg4a-faq-q::after {
    content: "+";
    color: var(--pg4a-gold);
    font-size: 18px;
    font-weight: 700;
    transition: transform 0.2s ease;
}
.pg4a-faq-open .pg4a-faq-q::after {
    transform: rotate(45deg);
}
.pg4a-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
    color: var(--pg4a-text-dim);
    font-size: 13px;
    padding: 0 14px;
}
.pg4a-faq-open .pg4a-faq-a {
    max-height: 320px;
    padding: 0 14px 13px;
}

/* ------- Feature/Trick grid ------- */
.pg4a-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 4px 10px;
}
.pg4a-feature {
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius-sm);
    padding: 12px;
}
.pg4a-feature-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pg4a-orange), var(--pg4a-gold));
    color: #1a0f00;
    font-weight: 800;
    font-size: 12px;
    margin-bottom: 8px;
}
.pg4a-feature h4 {
    font-size: 13px;
    color: var(--pg4a-gold);
    margin-bottom: 4px;
}
.pg4a-feature p {
    font-size: 12px;
    color: var(--pg4a-text-dim);
    margin: 0;
}

/* ------- Steps ------- */
.pg4a-steps {
    counter-reset: pg4astep;
    list-style: none;
    padding: 0 10px;
    margin: 8px 0 0;
}
.pg4a-steps li {
    position: relative;
    padding: 10px 12px 10px 42px;
    margin-bottom: 8px;
    background: var(--pg4a-bg-card);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius-sm);
    font-size: 13px;
    color: var(--pg4a-text-dim);
}
.pg4a-steps li::before {
    counter-increment: pg4astep;
    content: counter(pg4astep);
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--pg4a-orange);
    color: #1a0f00;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}
.pg4a-steps li strong {
    color: var(--pg4a-text);
    display: block;
    margin-bottom: 2px;
    font-size: 13px;
}

/* ------- Extended footer ------- */
.pg4a-ext-footer {
    margin: 22px 10px 14px;
    background: var(--pg4a-bg-soft);
    border: 1px solid var(--pg4a-line);
    border-radius: var(--pg4a-radius);
    padding: 16px 14px;
}
.pg4a-ext-footer h3 {
    color: var(--pg4a-gold);
    font-size: 15px;
    margin-bottom: 10px;
}
.pg4a-brand-block {
    font-size: 12px;
    color: var(--pg4a-text-dim);
    margin-bottom: 14px;
}
.pg4a-brand-block p {
    margin: 0 0 8px;
}
.pg4a-promo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}
.pg4a-promo-entry {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 12px;
    background: linear-gradient(135deg, rgba(191, 54, 12, 0.7), rgba(255, 149, 0, 0.65));
    border: 1px solid rgba(255, 213, 100, 0.35);
    border-radius: var(--pg4a-radius-sm);
    color: #fff;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
}
.pg4a-promo-entry span {
    font-size: 10px;
    font-weight: 500;
    opacity: 0.92;
}
.pg4a-promo-entry:hover {
    color: #fff;
    transform: translateY(-1px);
}
.pg4a-directory {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 12px;
    margin-bottom: 14px;
}
.pg4a-directory a {
    font-size: 12px;
    color: var(--pg4a-text-dim);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.pg4a-directory a::before {
    content: "›";
    color: var(--pg4a-orange);
    font-weight: 800;
}
.pg4a-disclaimer {
    font-size: 11px;
    color: var(--pg4a-text-mute);
    border-top: 1px dashed var(--pg4a-line);
    padding-top: 10px;
    line-height: 1.5;
}

/* ------- Footer ------- */
.pg4a-footer {
    text-align: center;
    padding: 14px 14px calc(var(--pg4a-bottom-h) + 18px);
    color: var(--pg4a-text-mute);
    font-size: 11px;
    border-top: 1px solid var(--pg4a-line);
    margin-top: 14px;
}
.pg4a-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 12px;
    margin-bottom: 8px;
}
.pg4a-footer-links a {
    color: var(--pg4a-text-dim);
    font-size: 11px;
}

/* ------- Bottom nav (rail) ------- */
.pg4a-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    background: linear-gradient(180deg, rgba(20, 17, 12, 0.98), rgba(8, 8, 8, 0.98));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--pg4a-line-strong);
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    padding-bottom: var(--pg4a-safe-bottom);
    height: calc(var(--pg4a-bottom-h) + var(--pg4a-safe-bottom));
    max-width: 430px;
    margin: 0 auto;
}
.pg4a-nav-link {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--pg4a-text-mute);
    font-size: 10px;
    padding: 6px 2px 4px;
    text-align: center;
    position: relative;
    transition: color 0.15s ease, transform 0.15s ease;
    border-radius: 12px;
    min-height: 44px;
}
.pg4a-nav-link svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.6;
}
.pg4a-nav-link.pg4a-nav-on {
    color: var(--pg4a-gold);
    transform: translateY(-3px);
}
.pg4a-nav-link.pg4a-nav-on::before {
    content: "";
    position: absolute;
    top: 2px;
    width: 22px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--pg4a-orange), var(--pg4a-gold));
}
.pg4a-nav-link.pg4a-nav-on svg {
    fill: var(--pg4a-gold);
}
.pg4a-nav-link.promo {
    color: var(--pg4a-orange);
}
.pg4a-nav-link.promo svg {
    fill: rgba(255, 149, 0, 0.18);
}
.pg4a-nav-label {
    font-weight: 600;
    letter-spacing: 0.2px;
}

/* ------- Back to top ------- */
.pg4a-top-btn {
    position: fixed;
    right: 14px;
    bottom: calc(var(--pg4a-bottom-h) + 16px + var(--pg4a-safe-bottom));
    z-index: 50;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pg4a-orange), var(--pg4a-gold));
    color: #1a0f00;
    border: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.5);
}
.pg4a-top-on {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ------- Utility ------- */
.pg4a-clear {
    clear: both;
}
.pg4a-hide {
    display: none !important;
}
.pg4a-text-center {
    text-align: center;
}

/* Main content needs clearance for sticky bottom nav. */
.pg4a-main {
    padding-bottom: 20px;
}