:root {
    --primary-red: #e51937;
    --primary-red-light: #ff2a48;
    --primary-red-dark: #990b1e;
    --red-glow: rgba(229, 25, 55, 0.4);
    --gold: #f59e0b;
    --gold-light: #ffd700;
    --bg-dark: #090a0e;
    --bg-card: #12141c;
    --bg-card-hover: #191c28;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-red: rgba(229, 25, 55, 0.35);
    --text-white: #ffffff;
    --text-gray: #94a3b8;
    --font-heading: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-heading);
    background: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.55;
    overflow-x: hidden;
    position: relative;
    padding-bottom: 70px;
}

/* Background Atmosphere */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 0%, rgba(229, 25, 55, 0.12) 0%, transparent 60%),
                radial-gradient(circle at 90% 40%, rgba(229, 25, 55, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(229, 25, 55, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

/* TOP TICKER BAR - ULTRA SLEEK & COMPACT */
.top-ticker {
    background: linear-gradient(90deg, #5c040f, #a80a1e, #5c040f);
    color: #fff;
    font-size: 0.76rem;
    font-weight: 600;
    padding: 5px 0;
    overflow: hidden;
    position: relative;
    z-index: 101;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.top-ticker-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    white-space: nowrap;
}

.top-ticker .badge-gold {
    background: linear-gradient(135deg, #ffd700, #f59e0b);
    color: #000;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 0.68rem;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    flex-shrink: 0;
}

.ticker-text {
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.2px;
}

/* NAVBAR - CLEAN, SLIM & VIP */
.header-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(9, 10, 14, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(229, 25, 55, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    transition: all 0.3s ease;
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
}

.brand-logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-img {
    height: 34px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(229, 25, 55, 0.4));
    transition: transform 0.25s ease;
}

.brand-logo-wrap:hover .brand-logo-img {
    transform: scale(1.03);
}

.brand-tagline {
    border-left: 1px solid var(--border-color);
    padding-left: 10px;
    display: flex;
    flex-direction: column;
}

.brand-tagline .title {
    font-size: 0.78rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.4px;
}

.brand-tagline .sub {
    font-size: 0.68rem;
    color: var(--primary-red-light);
    font-weight: 600;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    list-style: none;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 600;
    transition: color 0.2s;
    padding: 6px 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-red);
    box-shadow: 0 0 6px var(--primary-red);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* BUTTONS - SLENDER, PRECISE & POLISHED */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 15px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.btn-login {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-login:hover {
    border-color: var(--primary-red);
    background: rgba(229, 25, 55, 0.1);
    color: var(--primary-red-light);
}

.btn-register-fire {
    background: linear-gradient(135deg, #ff2a48 0%, #e51937 60%, #990b1e 100%);
    color: #fff;
    box-shadow: 0 3px 12px rgba(229, 25, 55, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-register-fire:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 16px rgba(229, 25, 55, 0.6);
}

.btn-gold {
    background: linear-gradient(135deg, #ffd700, #f59e0b);
    color: #000;
    box-shadow: 0 3px 12px rgba(245, 158, 11, 0.35);
}

.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 16px rgba(245, 158, 11, 0.55);
}

/* HERO SECTION */
.hero-section {
    padding: 20px 0 40px;
    position: relative;
}

.hero-banner-card {
    background: #000;
    border: 1px solid var(--border-red);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(229, 25, 55, 0.12);
    margin-bottom: 25px;
}

.hero-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* HERO CONTENT GRID */
.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 25px;
    align-items: center;
}

.hero-info-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(229, 25, 55, 0.1);
    border: 1px solid var(--border-red);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.hero-info-badge .dot {
    width: 7px;
    height: 7px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 6px #22c55e;
}

.hero-info-badge span {
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.4px;
}

.badge-vip-pill {
    background: linear-gradient(135deg, #ffd700, #f59e0b);
    color: #000;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 900;
    vertical-align: middle;
    margin-left: 6px;
}

.hero-title {
    font-size: 2.1rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.hero-title .text-red {
    color: var(--primary-red);
    text-shadow: 0 0 15px rgba(229, 25, 55, 0.35);
}

.hero-title .text-white {
    color: #fff;
}

.hero-desc {
    font-size: 0.92rem;
    color: #cbd5e1;
    margin-bottom: 20px;
    line-height: 1.65;
}

.hero-desc strong {
    color: #fff;
}

.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 22px;
}

.hero-stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 10px 8px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.hero-stat-card:hover {
    border-color: var(--primary-red);
    background: rgba(229, 25, 55, 0.05);
}

.hero-stat-card .val {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--primary-red-light);
    display: block;
    line-height: 1.2;
}

.hero-stat-card .lbl {
    font-size: 0.7rem;
    color: var(--text-gray);
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 2px;
}

.hero-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-cta-buttons .btn {
    padding: 10px 20px;
    font-size: 0.88rem;
    border-radius: 8px;
}

/* HERO MEDIA RIGHT */
.hero-media-showcase {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border-red);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px rgba(229, 25, 55, 0.15);
    background: #0f1118;
}

.hero-media-showcase img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.hero-media-showcase:hover img {
    transform: scale(1.02);
}

.media-tag-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(9, 10, 14, 0.95), transparent);
    padding: 20px 16px 12px;
    text-align: center;
}

.media-tag-overlay h4 {
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.media-tag-overlay p {
    font-size: 0.75rem;
    color: var(--primary-red-light);
    font-weight: 600;
}

/* VIDEO SECTION */
.section-video {
    padding: 45px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(20, 10, 14, 0.3) 50%, transparent 100%);
}

.section-head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 30px;
}

.section-subtitle-badge {
    display: inline-block;
    color: var(--primary-red-light);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 6px;
    padding: 3px 12px;
    background: rgba(229, 25, 55, 0.08);
    border: 1px solid var(--border-red);
    border-radius: 20px;
}

.section-main-title {
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-desc {
    font-size: 0.88rem;
    color: var(--text-gray);
    line-height: 1.6;
}

.video-player-frame {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px solid var(--border-red);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.8), 0 0 25px rgba(229, 25, 55, 0.2);
    background: #000;
}

.video-player-frame video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.video-controls-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    display: flex;
    gap: 8px;
}

.video-btn-tool {
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.2s;
}

.video-btn-tool:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
}

/* PRIZE SECTION / SINH NHAT */
.section-prizes {
    padding: 40px 0 50px;
}

.prize-boxes-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-top: 25px;
}

.prize-box-item {
    background: linear-gradient(145deg, #15131b, #0e0d13);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px 10px;
    text-align: center;
    position: relative;
    transition: all 0.25s ease;
    overflow: hidden;
}

.prize-box-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--border-color);
}

.prize-box-item.top-1::before {
    background: linear-gradient(90deg, #ffd700, #ff8c00);
}

.prize-box-item.top-1 {
    border-color: rgba(255, 215, 0, 0.35);
    box-shadow: 0 8px 22px rgba(255, 215, 0, 0.12);
}

.prize-box-item:hover {
    transform: translateY(-3px);
    border-color: var(--primary-red);
}

.prize-box-item .top-rank {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.prize-box-item .prize-amount {
    font-size: 1.25rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 4px;
    line-height: 1.2;
}

.prize-box-item.top-1 .prize-amount {
    color: #ffd700;
}

.prize-box-item .prize-unit {
    font-size: 0.7rem;
    color: var(--text-gray);
    font-weight: 600;
}

/* GAMES SHOWCASE SECTION */
.section-games {
    padding: 45px 0;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 25px;
}

.game-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s ease;
}

.game-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-red);
    background: var(--bg-card-hover);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(229, 25, 55, 0.15);
}

.game-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(229, 25, 55, 0.1);
    border: 1px solid var(--border-red);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: var(--primary-red-light);
}

.game-card-icon svg {
    width: 22px;
    height: 22px;
}

.game-card-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.game-card-desc {
    font-size: 0.82rem;
    color: var(--text-gray);
    line-height: 1.55;
    margin-bottom: 14px;
    flex-grow: 1;
}

.game-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 14px;
}

.game-card-tags span {
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 600;
    color: #cbd5e1;
}

.game-card .btn-play {
    width: 100%;
    padding: 8px;
    font-size: 0.78rem;
    background: rgba(229, 25, 55, 0.08);
    border: 1px solid var(--border-red);
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    transition: all 0.2s;
    text-transform: uppercase;
}

.game-card:hover .btn-play {
    background: var(--primary-red);
    box-shadow: 0 3px 12px rgba(229, 25, 55, 0.4);
}

/* PROMO SPOTLIGHT WITH SEXY CASINO MODEL */
.promo-spotlight {
    background: linear-gradient(135deg, rgba(24, 10, 16, 0.9), rgba(13, 14, 20, 0.95));
    border: 1px solid var(--border-red);
    border-radius: 16px;
    padding: 30px;
    margin: 40px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(229, 25, 55, 0.15);
}

.promo-spotlight-img-wrap {
    text-align: center;
}

.promo-spotlight-img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.7));
}

.promo-spotlight-content h3 {
    font-size: 1.7rem;
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.promo-spotlight-content h3 span {
    color: var(--primary-red);
}

.promo-spotlight-content p {
    font-size: 0.88rem;
    color: #cbd5e1;
    line-height: 1.6;
    margin-bottom: 18px;
}

.promo-features-list {
    list-style: none;
    margin-bottom: 20px;
}

.promo-features-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.84rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.promo-features-list li svg {
    color: var(--primary-red-light);
    flex-shrink: 0;
}

/* TRUST & CERTIFICATIONS */
.section-trust {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.trust-badges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 20px;
}

.trust-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 16px 12px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.2s;
}

.trust-item:hover {
    border-color: var(--primary-red);
    background: rgba(229, 25, 55, 0.04);
}

.trust-item .icon {
    margin-bottom: 8px;
    color: var(--primary-red-light);
    display: flex;
    justify-content: center;
}

.trust-item .icon svg {
    width: 24px;
    height: 24px;
}

.trust-item h4 {
    font-size: 0.85rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
    text-transform: uppercase;
}

.trust-item p {
    font-size: 0.74rem;
    color: var(--text-gray);
    line-height: 1.45;
}

/* FAQ ACCORDION */
.section-faq {
    padding: 40px 0 50px;
}

.faq-list {
    max-width: 800px;
    margin: 20px auto 0;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-item.active {
    border-color: var(--border-red);
}

.faq-question {
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
    user-select: none;
}

.faq-question:hover {
    color: var(--primary-red-light);
}

.faq-question .arrow {
    font-size: 0.75rem;
    transition: transform 0.25s;
}

.faq-item.active .faq-question .arrow {
    transform: rotate(180deg);
    color: var(--primary-red);
}

.faq-answer {
    padding: 0 18px 14px;
    font-size: 0.84rem;
    color: #94a3b8;
    line-height: 1.6;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* FOOTER */
.site-footer {
    background: #050608;
    border-top: 1px solid rgba(229, 25, 55, 0.15);
    padding: 35px 0 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 25px;
    margin-bottom: 30px;
}

.footer-brand p {
    font-size: 0.8rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-top: 10px;
}

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 6px;
}

.footer-col h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 20px;
    height: 2px;
    background: var(--primary-red);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 6px;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.78rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-red-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 18px;
    text-align: center;
    font-size: 0.75rem;
    color: #64748b;
}

/* STICKY BOTTOM BAR (MOBILE & DESKTOP) - REFINED & COMPACT WITH SVG ICONS */
.sticky-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(9, 10, 14, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(229, 25, 55, 0.25);
    padding: 6px 12px;
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.7);
}

.sticky-bar-wrap {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 8px;
}

.sticky-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #94a3b8;
    font-size: 0.65rem;
    font-weight: 700;
    transition: color 0.2s;
    min-width: 52px;
    padding: 2px 0;
}

.sticky-nav-item svg {
    width: 19px;
    height: 19px;
    stroke: currentColor;
    margin-bottom: 2px;
    transition: transform 0.2s, stroke 0.2s;
}

.sticky-nav-item:hover,
.sticky-nav-item.active {
    color: #fff;
}

.sticky-nav-item:hover svg,
.sticky-nav-item.active svg {
    color: var(--primary-red-light);
    transform: translateY(-1px);
}

.sticky-center-pill {
    background: linear-gradient(135deg, #ff2a48 0%, #e51937 60%, #990b1e 100%);
    color: #fff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 38px;
    padding: 0 16px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.78rem;
    text-transform: uppercase;
    box-shadow: 0 3px 14px rgba(229, 25, 55, 0.5);
    letter-spacing: 0.4px;
    white-space: nowrap;
    transition: transform 0.2s, box-shadow 0.2s;
}

.sticky-center-pill svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.sticky-center-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(229, 25, 55, 0.7);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .promo-spotlight {
        grid-template-columns: 1fr;
        padding: 24px 18px;
    }
    .prize-boxes-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-badges-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .nav-links {
        display: none;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 1.55rem;
    }
    .section-main-title {
        font-size: 1.45rem;
    }
    .brand-logo-img {
        height: 28px;
    }
    .nav-wrap {
        height: 52px;
    }
    .btn {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    .prize-boxes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .games-grid {
        grid-template-columns: 1fr;
    }
    .trust-badges-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .brand-tagline {
        display: none;
    }
    .top-ticker {
        font-size: 0.7rem;
    }
}



/* ================================================================ */

/* ========================================================================== */
/* MỤC HẠ TẦNG MÁY CHỦ: QUẢ CẦU 3D TRONG HỘP KÍNH & VIỀN NEON TRẮNG ÁNH ĐỎ */
/* ========================================================================== */
.section-servers {
    padding: 50px 0 65px;
    background: radial-gradient(circle at 50% 20%, rgba(229, 25, 55, 0.12) 0%, rgba(10, 11, 16, 0.98) 70%);
    position: relative;
    border-top: 1px solid rgba(229, 25, 55, 0.25);
    border-bottom: 1px solid rgba(229, 25, 55, 0.25);
}

.tech-hud-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(18, 20, 30, 0.92);
    border: 1px solid rgba(229, 25, 55, 0.45);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.6px;
    margin-bottom: 8px;
    box-shadow: 0 0 15px rgba(229, 25, 55, 0.3);
}

.tech-radar-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
    animation: radarBlink 1.4s infinite;
}

@keyframes radarBlink {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.8); }
}

/* ------------------------------------------------------------- */
/* A. SHOWCASE 3 ĐẠI TRUNG TÂM QUẢ CẦU 3D ĐẶC QUYỀN (VIP PODS)   */
/* ------------------------------------------------------------- */
.vip-pods-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 25px 0 20px;
}

.vip-pod-card {
    position: relative;
    border-radius: 18px;
    padding: 1.8px; /* Khe viền neon chạy */
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
    text-decoration: none;
    display: block;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.vip-pod-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8), 0 0 32px rgba(229, 25, 55, 0.55);
}

.vip-pod-inner {
    position: relative;
    background: linear-gradient(150deg, rgba(22, 24, 38, 0.98) 0%, rgba(11, 12, 18, 0.98) 100%);
    border-radius: 16.5px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 1;
}

.vip-pod-chamber {
    width: 76px;
    height: 76px;
    flex-shrink: 0;
}

.vip-pod-chamber .sphere-3d-wrapper {
    width: 58px;
    height: 58px;
}

.vip-pod-chamber .sphere-3d-ball {
    width: 46px;
    height: 46px;
}

.vip-pod-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.vip-pod-badge {
    font-size: 0.68rem;
    font-weight: 800;
    color: #ffd700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.5px;
}

.vip-pod-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.25;
}

.vip-pod-metrics {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.vip-pod-ping {
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: 0.85rem;
    font-weight: 800;
    color: #22c55e;
    text-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.vip-pod-tag {
    font-size: 0.65rem;
    font-weight: 800;
    color: #ffffff;
    background: linear-gradient(90deg, var(--primary-red), #ff2a48);
    padding: 2px 9px;
    border-radius: 12px;
    text-transform: uppercase;
}

/* ------------------------------------------------------------- */
/* B. LƯỚI 16 MÁY CHỦ QUẢ CẦU 3D TRONG HỘP KÍNH (16 SERVER GRID) */
/* ------------------------------------------------------------- */
.flag-section {
    width: 100%;
    position: relative;
    margin-top: 15px;
}

.flag-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
    position: relative;
}

/* CARD CHỨA VIỀN NEON TRẮNG ÁNH ĐỎ CHẠY QUANH */
.flag-card-neon {
    position: relative;
    border-radius: 16px;
    padding: 1.6px; /* Khe hở tạo viền chạy */
    background: rgba(255, 255, 255, 0.04);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.flag-card-neon:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8), 0 0 28px rgba(229, 25, 55, 0.5);
    z-index: 10;
}

/* ================================================================ */
/* TIA NEON TRẮNG ÁNH ĐỎ CHẠY QUANH VIỀN CARD (CONIC NEON RUNNER)   */
/* ================================================================ */
.neon-running-track {
    position: absolute;
    top: -65%;
    left: -65%;
    width: 230%;
    height: 230%;
    background: conic-gradient(
        transparent 0deg,
        transparent 165deg,
        rgba(229, 25, 55, 0.15) 200deg,
        rgba(229, 25, 55, 0.75) 235deg,
        #ff2a48 250deg,
        #ffffff 270deg,              /* TIA NEON TRẮNG RỰC RỠ */
        #ff2a48 285deg,              /* ÁNH ĐỎ CHẠY QUANH */
        rgba(229, 25, 55, 0.75) 305deg,
        rgba(229, 25, 55, 0.15) 335deg,
        transparent 360deg
    );
    animation: spinNeonBeam 3.6s linear infinite;
    pointer-events: none;
    z-index: 0;
}

.flag-card-neon.fiery-vip .neon-running-track,
.vip-pod-card.fiery-vip .neon-running-track {
    background: conic-gradient(
        transparent 0deg,
        transparent 150deg,
        rgba(255, 215, 0, 0.35) 195deg,
        rgba(229, 25, 55, 0.85) 235deg,
        #ffffff 265deg,              /* NEON TRẮNG TRUNG TÂM */
        #ff1e42 275deg,              /* ÁNH ĐỎ RỰC LỬA */
        #ffd700 295deg,              /* ÁNH VÀNG KIM VIP */
        rgba(229, 25, 55, 0.35) 330deg,
        transparent 360deg
    );
    animation-duration: 2.8s;
}

.flag-card-neon:hover .neon-running-track,
.vip-pod-card:hover .neon-running-track {
    animation-duration: 1.5s !important;
}

@keyframes spinNeonBeam {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* THÂN TRONG CỦA CARD (GLASS BODY) */
.card-glass-body {
    position: relative;
    background: linear-gradient(155deg, rgba(19, 21, 32, 0.96) 0%, rgba(9, 10, 16, 0.98) 100%);
    border-radius: 14.5px;
    padding: 12px 6px 11px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

/* ================================================================ */
/* HỘP KÍNH 3D (GLASS CHAMBER BOX ENCLOSURE)                        */
/* ================================================================ */
.glass-chamber {
    position: relative;
    width: 66px;
    height: 66px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 40%, rgba(229, 25, 55, 0.08) 100%);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.06), 0 6px 16px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2px 0;
    backdrop-filter: blur(4px);
    overflow: hidden;
    transition: all 0.3s ease;
}

.flag-card-neon:hover .glass-chamber,
.vip-pod-card:hover .glass-chamber {
    border-color: rgba(229, 25, 55, 0.6);
    box-shadow: inset 0 0 16px rgba(229, 25, 55, 0.25), 0 8px 22px rgba(0, 0, 0, 0.7);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(229, 25, 55, 0.12) 100%);
}

.flag-card-neon.fiery-vip .glass-chamber,
.vip-pod-card.fiery-vip .glass-chamber {
    border-color: rgba(255, 215, 0, 0.45);
    box-shadow: inset 0 0 14px rgba(255, 215, 0, 0.18), 0 6px 18px rgba(0, 0, 0, 0.6);
}

/* VỆT SÁNG PHẢN CHIẾU MẶT KÍNH (GLASS REFLECTION) */
.glass-glare-reflection {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(125deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.08) 25%, transparent 50%);
    pointer-events: none;
    z-index: 5;
}

/* GÓC NẸP KIM LOẠI CỦA HỘP KÍNH */
.glass-corner {
    position: absolute;
    width: 5px;
    height: 5px;
    border-color: rgba(255, 255, 255, 0.6);
    pointer-events: none;
    z-index: 6;
}

.glass-corner.tl { top: 2px; left: 2px; border-top: 1.5px solid; border-left: 1.5px solid; }
.glass-corner.tr { top: 2px; right: 2px; border-top: 1.5px solid; border-right: 1.5px solid; }
.glass-corner.bl { bottom: 2px; left: 2px; border-bottom: 1.5px solid; border-left: 1.5px solid; }
.glass-corner.br { bottom: 2px; right: 2px; border-bottom: 1.5px solid; border-right: 1.5px solid; }

.flag-card-neon.fiery-vip .glass-corner,
.vip-pod-card.fiery-vip .glass-corner {
    border-color: #ffd700;
}

/* ================================================================ */
/* QUẢ CẦU DẠNG 3D FLOATING (3D SPHERE ORB)                         */
/* ================================================================ */
.sphere-3d-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    animation: levitateSphere 3.2s ease-in-out infinite;
}

@keyframes levitateSphere {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* VÒNG XOAY QUỸ ĐẠO QUANH QUẢ CẦU TRONG HỘP KÍNH */
.sphere-orbit-ring {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1.5px dashed rgba(229, 25, 55, 0.75);
    animation: spinOrbit 4s linear infinite;
    box-shadow: 0 0 10px rgba(229, 25, 55, 0.35);
    pointer-events: none;
    z-index: 2;
}

.flag-card-neon.fiery-vip .sphere-orbit-ring,
.vip-pod-card.fiery-vip .sphere-orbit-ring {
    border-color: #ffd700;
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.55);
    animation-duration: 2.8s;
}

.sphere-orbit-ring::after {
    content: '';
    position: absolute;
    top: -3.5px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 0 6px #ffffff, 0 0 10px var(--primary-red);
}

.flag-card-neon.fiery-vip .sphere-orbit-ring::after,
.vip-pod-card.fiery-vip .sphere-orbit-ring::after {
    background: #ffffff;
    box-shadow: 0 0 6px #ffffff, 0 0 10px #ffd700;
}

.sphere-glow-ring {
    position: absolute;
    inset: 1px;
    border-radius: 50%;
    border: 1px dotted rgba(255, 255, 255, 0.3);
    animation: spinOrbitReverse 6s linear infinite;
    pointer-events: none;
    z-index: 2;
}

/* QUẢ CẦU 3D NỔI KHỐI CHUẨN ĐẸP */
.sphere-3d-ball {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    z-index: 3;
    background: #000;
    box-shadow: 
        inset -5px -5px 12px rgba(0, 0, 0, 0.9),
        inset 4px 4px 10px rgba(255, 255, 255, 0.8),
        0 4px 12px rgba(0, 0, 0, 0.7),
        0 0 14px rgba(229, 25, 55, 0.3);
    transition: transform 0.25s ease;
}

.flag-card-neon:hover .sphere-3d-ball,
.vip-pod-card:hover .sphere-3d-ball {
    transform: scale(1.08);
    box-shadow: 
        inset -5px -5px 12px rgba(0, 0, 0, 0.9),
        inset 4px 4px 10px rgba(255, 255, 255, 0.95),
        0 6px 16px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(229, 25, 55, 0.6);
}

.flag-card-neon.fiery-vip .sphere-3d-ball,
.vip-pod-card.fiery-vip .sphere-3d-ball {
    box-shadow: 
        inset -5px -5px 12px rgba(0, 0, 0, 0.9),
        inset 4px 4px 10px rgba(255, 255, 255, 0.85),
        0 4px 12px rgba(0, 0, 0, 0.7),
        0 0 16px rgba(255, 215, 0, 0.45);
}

.sphere-texture {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    border-radius: 50%;
}

/* ĐỔ BÓNG NỔI KHỐI 3D CỦA HÌNH CẦU */
.sphere-lighting-shade {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle at 32% 28%, transparent 40%, rgba(0, 0, 0, 0.5) 75%, rgba(0, 0, 0, 0.88) 100%);
    pointer-events: none;
    z-index: 4;
}

/* VỆT SÁNG BÓNG GƯƠNG 3D (SPECULAR HIGHLIGHT) */
.sphere-specular-highlight {
    position: absolute;
    top: 3px;
    left: 6px;
    width: 16px;
    height: 10px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.3) 55%, transparent 100%);
    transform: rotate(-25deg);
    pointer-events: none;
    z-index: 5;
}

/* BÓNG ĐỔ ĐÁY DƯỚI QUẢ CẦU */
.sphere-pedestal-shadow {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 6px;
    border-radius: 50%;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, rgba(229, 25, 55, 0.3) 40%, transparent 80%);
    pointer-events: none;
    z-index: 1;
}

.flag-card-neon.fiery-vip .sphere-pedestal-shadow,
.vip-pod-card.fiery-vip .sphere-pedestal-shadow {
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.7) 0%, rgba(255, 215, 0, 0.4) 40%, transparent 80%);
}

/* TÊN QUỐC GIA */
.flag-card-neon .country-name { 
    font-size: 11px; 
    font-weight: 700; 
    color: #f1f5f9;
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

/* CỘT SÓNG & ĐỘ TRỄ PING THẬT */
.flag-ping-info {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
}

.signal-bars {
    display: flex;
    align-items: flex-end;
    gap: 1.5px;
    height: 9px;
}

.signal-bars .bar {
    width: 2px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 1px;
}

.signal-bars .bar:nth-child(1) { height: 3px; }
.signal-bars .bar:nth-child(2) { height: 5px; }
.signal-bars .bar:nth-child(3) { height: 7px; }
.signal-bars .bar:nth-child(4) { height: 9px; }

.signal-bars.level-4 .bar { background-color: #22c55e; box-shadow: 0 0 3px #22c55e; }
.signal-bars.level-3 .bar:nth-child(1),
.signal-bars.level-3 .bar:nth-child(2),
.signal-bars.level-3 .bar:nth-child(3) { background-color: #22c55e; }
.signal-bars.level-2 .bar:nth-child(1),
.signal-bars.level-2 .bar:nth-child(2) { background-color: #f59e0b; }
.signal-bars.level-1 .bar:nth-child(1) { background-color: #ef4444; }

.ping-text {
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: 11px;
    font-weight: 800;
    color: #22c55e;
    transition: color 0.2s;
    letter-spacing: -0.3px;
    display: inline-block;
}

.ping-fast { color: #22c55e !important; text-shadow: 0 0 6px rgba(34, 197, 94, 0.5); }
.ping-medium { color: #f59e0b !important; text-shadow: 0 0 6px rgba(245, 158, 11, 0.4); }
.ping-slow { color: #ef4444 !important; }

/* HIỆU ỨNG NHẢY SỐ PING THẬT (PULSE JITTER) */
.ping-pulse {
    animation: pingJitterFlash 0.35s ease-out;
}

@keyframes pingJitterFlash {
    0% { transform: scale(1.22); color: #ffffff; text-shadow: 0 0 10px #ffffff; }
    100% { transform: scale(1); }
}

.flag-status-pill {
    font-size: 8px;
    font-weight: 800;
    color: #22c55e;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 3px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
    padding: 1px 7px;
    border-radius: 10px;
    text-transform: uppercase;
}

.flag-status-pill .status-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 4px #22c55e;
}

.flag-card-neon.fiery-vip .flag-status-pill {
    color: #ffd700;
    border-color: rgba(255, 215, 0, 0.4);
    background: rgba(255, 215, 0, 0.12);
}

.flag-card-neon.fiery-vip .flag-status-pill .status-dot {
    background: #ffd700;
    box-shadow: 0 0 4px #ffd700;
}

/* RESPONSIVE FLAGS */
@media (max-width: 1100px) {
    .flag-grid { grid-template-columns: repeat(4, 1fr); }
    .vip-pods-showcase { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .vip-pods-showcase { grid-template-columns: 1fr; gap: 10px; }
    .vip-pod-inner { padding: 12px 14px; gap: 12px; }
    .vip-pod-chamber { width: 62px; height: 62px; }
    .vip-pod-chamber .sphere-3d-wrapper { width: 46px; height: 46px; }
    .vip-pod-chamber .sphere-3d-ball { width: 38px; height: 38px; }
}

@media (max-width: 640px) {
    .flag-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .glass-chamber { width: 52px; height: 52px; }
    .sphere-3d-wrapper { width: 38px; height: 38px; }
    .sphere-3d-ball { width: 30px; height: 30px; }
    .card-glass-body { padding: 8px 3px 8px; gap: 4px; }
    .flag-card-neon .country-name { font-size: 10px; }
}

/* ================================================================ */
/* NÚT TRÒN TELEGRAM NỔI BẬT GÓC PHẢI MÀN HÌNH                       */
/* ================================================================ */
.telegram-float-container {
    position: fixed;
    bottom: 25px;
    right: 22px;
    z-index: 9998;
    display: flex;
    align-items: center;
}

@media (max-width: 1024px) {
    .telegram-float-container {
        bottom: 72px; /* Nằm ngay trên mobile bottom bar */
        right: 14px;
    }
}

.telegram-btn-link {
    position: relative;
    display: flex;
    align-items: center;
    text-decoration: none;
    outline: none;
    cursor: pointer;
}

.telegram-circle-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2aabee 0%, #229ed9 45%, #0088cc 80%, #006da8 100%);
    border: 2px solid rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(0, 136, 204, 0.6), 0 0 20px rgba(42, 171, 238, 0.5);
    position: relative;
    z-index: 4;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: telegramGentleFloat 3.6s ease-in-out infinite;
}

.telegram-circle-icon svg {
    width: 26px;
    height: 26px;
    margin-right: 2px;
    fill: #fff;
}

.telegram-wave-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 52px;
    height: 52px;
    margin-top: -26px;
    margin-left: -26px;
    border-radius: 50%;
    background: rgba(42, 171, 238, 0.45);
    pointer-events: none;
    z-index: 1;
    animation: telegramRadarWave 3s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

.telegram-wave-pulse.pulse-2 {
    animation-delay: 1.2s;
}

@keyframes telegramRadarWave {
    0% { transform: scale(0.9); opacity: 0.85; box-shadow: 0 0 0 0 rgba(42, 171, 238, 0.8); }
    70% { transform: scale(2.1); opacity: 0; box-shadow: 0 0 20px 10px rgba(42, 171, 238, 0); }
    100% { transform: scale(2.2); opacity: 0; }
}

@keyframes telegramGentleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.telegram-btn-link:hover .telegram-circle-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(0, 136, 204, 0.8);
}


/* ================================================================ */
/* CHỐNG ĐỤC CODE / CHỐNG COPY / BẢO MẬT NỘI DUNG (ANTI-RIP SUITE)   */
/* ================================================================ */
*, *::before, *::after {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-user-drag: none !important;
    -webkit-touch-callout: none !important;
}

img {
    pointer-events: none !important;
    -webkit-user-drag: none !important;
}

a {
    -webkit-user-drag: none !important;
}