* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Global Color System */
    --primary-color: #FF003C;
    --primary-hover: #D60033;

    --dark-bg: #0F0F14;
    --card-bg: #18181F;

    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;

    --border: #26262E;

    /* Variables kept for compatibility but mapped to new system */
    --primary: 345 100% 50%;
    /* Approximation */
    --surface: #18181F;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    --transition: 0.2s ease;

    /* Shadow standard */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

    /* Gradients removed or simplified */
    --gradient-primary: #FF003C;
    /* Solid for now as requested "Use ONLY 1 primary color" */
    --gradient-dark: #0F0F14;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
    font-weight: 400;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 48px;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 32px;
    font-weight: 600;
}

h3 {
    font-size: 24px;
    font-weight: 600;
}

/* Removing background artifacts */
body::before,
body::after,
.bg-animation,
.particle {
    display: none !important;
}

/* ==== MOBILE: Ẩn particle effects để tránh đè lên nội dung ==== */
/* ==== MOBILE FIX: Ẩn triệt để Particle & Force hiện nội dung ==== */
@media (max-width: 900px) {

    /* 1. Ẩn toàn bộ hiệu ứng nền gây lỗi */
    .bg-animation,
    .bg-animation .particle,
    .fx-canvas,
    canvas#fxCanvas,
    .bg-grid,
    .bg-noise {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        z-index: -9999 !important;
        width: 0 !important;
        height: 0 !important;
        pointer-events: none !important;
    }

    /* 2. Tắt hiệu ứng Blur nặng (nguyên nhân gây biến mất nội dung trên một số GPU mobile) */
    body::before,
    body::after {
        display: none !important;
        content: none !important;
    }

    /* 3. Đưa nội dung lên lớp trên cùng (Force Z-Index) */
    .navbar,
    section,
    .container,
    footer,
    .hero,
    .about,
    .products,
    .contact,
    .features {
        position: relative !important;
        z-index: 100 !important;
        /* Luôn nổi trên nền */
        opacity: 1 !important;
        visibility: visible !important;
        background-color: var(--dark-bg);
        /* Đảm bảo nền không trong suốt */
    }

    /* Fix riêng cho Navbar */
    .navbar {
        z-index: 1000 !important;
        background: rgba(10, 12, 18, 0.95) !important;
    }
}

/* Tablet: giảm bớt hiệu ứng */
@media (max-width: 1024px) and (min-width: 769px) {
    .bg-animation .particle {
        opacity: 0.5;
    }

    .fx-canvas {
        opacity: 0.4;
    }
}

/* Clean Header Redesign */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--dark-bg);
    /* Solid dark #0F0F14 */
    z-index: 1000;
    padding: 0;
    border-bottom: 1px solid var(--border);
    /* Removed glass, blur, saturation, etc */
}

.navbar.shrink {
    padding: 0;
    border-bottom-color: var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    /* Single brand color */
    text-decoration: none;
}

.logo i {
    margin-right: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
    /* Spacing 24-32px */
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: #CFCFD6;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    /* 14-15px */
    transition: color 0.2s;
    padding: 0.5rem 0;
    background: none !important;
    /* Remove button-like backgrounds */
    border-radius: 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: none;
    transform: none;
}

/* Remove underlines/glows from nav */
.nav-menu a::after {
    display: none;
}

/* CTA Button */
.nav-cta-btn {
    background: var(--primary-color) !important;
    color: white !important;
    padding: 0 20px !important;
    border-radius: 10px !important;
    /* 8-12px */
    height: 42px;
    /* 40-44px */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600 !important;
    font-size: 15px !important;
    transition: background-color 0.2s !important;
}

.nav-cta-btn:hover {
    filter: brightness(0.9);
    /* Slight darken */
    transform: none !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 60px;
    /* Adjusted for fixed header */
    background: var(--dark-bg);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-family: 'Inter', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.gradient-text {
    background: none;
    -webkit-text-fill-color: initial;
    color: var(--primary-color);
    animation: none;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0 24px;
    height: 48px;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    font-size: 15px;
    cursor: pointer;
    outline: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: none;
    box-shadow: none;
    filter: none;
}

.btn-primary:active {
    transform: none;
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--card-bg);
    border-color: var(--primary-color);
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

/* Hero gallery 3D frame */
.hero-gallery-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-gallery {
    width: min(520px, 90vw);
    margin-inline: auto;
    transform-style: preserve-3d;
}

.hero-gallery .frame {
    position: relative;
    border-radius: 18px;
    padding: 10px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
    border: var(--elev-border);
    -webkit-backdrop-filter: blur(var(--glass-blur));
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.hero-gallery .frame::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 20px;
    background: radial-gradient(200px 200px at var(--mx, 50%) var(--my, 30%), rgba(255, 0, 60, 0.20), transparent 60%);
    pointer-events: none;
    mix-blend-mode: overlay;
}

.hero-gallery .slides {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 300px;
}

.hero-gallery .slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 400ms ease;
}

.hero-gallery .slide.active {
    opacity: 1;
}

.hero-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* subtle reflection */
.hero-gallery .slides::after {
    content: '';
    position: absolute;
    left: -30%;
    top: -20%;
    width: 60%;
    height: 140%;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.0) 60%);
    transform: rotate(8deg);
    filter: blur(6px);
    opacity: 0.35;
    pointer-events: none;
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: var(--elev-border);
    background: rgba(0, 0, 0, 0.35);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.gallery-btn:hover {
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.gallery-btn i {
    pointer-events: none;
}

.gallery-btn.prev {
    left: 10px;
}

.gallery-btn.next {
    right: 10px;
}

@media (max-width: 768px) {
    .hero-gallery .slides {
        height: 240px;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: none;
    -webkit-text-fill-color: initial;
    color: var(--text-primary);
}

/* About Section */
.about {
    background: var(--gradient-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 1.75rem 1.5rem;
    background: linear-gradient(145deg,
            hsla(265, 60%, 50%, 0.08),
            hsla(265, 50%, 40%, 0.03));
    border: 1px solid hsla(265, 50%, 55%, 0.15);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    transition: all var(--transition-slow);
    overflow: hidden;
    flex: 1;
    cursor: pointer;
    box-shadow: var(--shadow-xs);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 0, 60, 0.2),
            transparent);
    transition: left 0.6s ease;
}

.stat-item::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 0, 60, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
    opacity: 0;
}

.stat-item:hover::before {
    left: 100%;
}

.stat-item:hover::after {
    width: 200px;
    height: 200px;
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow:
        var(--shadow-md),
        var(--shadow-glow),
        inset 0 1px 0 hsla(0, 0%, 100%, 0.05);
    border-color: hsla(345, 60%, 55%, 0.35);
    background: linear-gradient(145deg,
            hsla(345, 60%, 50%, 0.12),
            hsla(345, 50%, 40%, 0.05));
}

.stat-number {
    display: block;
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #FF5757, #FF3D3D, #FF003C);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    position: relative;
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    0% {
        filter: brightness(1) drop-shadow(0 0 5px rgba(255, 0, 60, 0.5));
    }

    100% {
        filter: brightness(1.2) drop-shadow(0 0 15px rgba(255, 0, 60, 0.8));
    }
}

.stat-label {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.about-features {
    display: grid;
    gap: 1rem;
}

.feature-card {
    background: linear-gradient(145deg, hsla(345, 40%, 45%, 0.06), transparent);
    border: 1px solid hsla(345, 40%, 50%, 0.1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    box-shadow: var(--shadow-xs);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    background: var(--card-bg);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.product-card::before {
    display: none;
}

.product-image {
    text-align: center;
    margin-bottom: 1rem;
}

.product-image i {
    font-size: 3rem;
    color: var(--primary-color);
}

.product-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: rgba(255, 0, 60, 0.12);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 0, 60, 0.30);
}

/* Price List Styling */
/* Global Product & Pricing System */
:root {
    --price-color: #ffffff;
    /* Unified Price Color */
    --price-bg: rgba(255, 255, 255, 0.03);
    --price-border: 1px solid rgba(255, 255, 255, 0.1);
    --price-hover-border: #6366f1;
    --highlight-color: #94a3b8;
    /* Slate Light */
}

/* Pricing Grid Layout (Applied to both UL and DIV structures) */
.price-list,
.price-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 1.5rem 0;
    padding: 0;
    list-style: none;
    /* For UL */
}

/* Unified Price Item Styling */
.price-list li,
.price-grid .price-item {
    background: var(--price-bg);
    border: var(--price-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    /* Stack label and price */
    justify-content: center;
    align-items: flex-start;
    gap: 0.25rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    color: var(--highlight-color);
    position: relative;
    overflow: hidden;
    height: 100%;
}

/* Reset specific styles overriding the new system */
.price-list li:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    /* Restore border */
}

/* Card Hover Effects */
.price-list li:hover,
.price-grid .price-item:hover {
    border-color: var(--price-hover-border);
    transform: translateY(-2px);
    background: rgba(99, 102, 241, 0.05);
    /* Slight purple tint */
}

/* Price Value Styling (The numbers) */
.price-list strong,
.price-grid .price-item strong,
.price-list li strong {
    color: var(--price-color);
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'Inter', sans-serif;
    transition: color 0.3s ease;
}

/* Hover Effect: Turn numbers purple */
.price-list li:hover strong,
.price-grid .price-item:hover strong {
    color: var(--price-hover-border);
}

/* Label Styling refinement */
.price-grid .price-item span,
.price-list li {
    font-weight: 500;
}

/* Permanent Key Special Styling (Kept but modernized) */
.price-list .permanent-key {
    grid-column: 1 / -1;
    /* Full Width */
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.05), transparent);
    border-color: rgba(255, 215, 0, 0.2);
}

.price-list .permanent-key strong {
    color: #ffd700;
    /* Gold for lifetime/special items */
    text-shadow: none;
}

.price-list .permanent-key:hover {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

.price-list .permanent-key:hover strong {
    color: #ffd700;
    /* Keep gold on hover */
}

/* Warning/Notice Text Refinement */
.product-content p span[style*="color:#ff3b3b"] {
    color: #fb923c !important;
    /* Orange Light */
    font-weight: 600 !important;
    font-size: 0.9em;
    display: block;
    margin-top: 0.5rem;
    background: rgba(251, 146, 60, 0.1);
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px dashed rgba(251, 146, 60, 0.3);
}

/* Responsive menu for List Items that contain text directly */
.price-list li {
    /* Handle cases where text is just inside li without span */
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

/* Download Button */
.download-btn {
    background: var(--primary-color);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: white;
    padding: 0.6rem 1.1rem;
    font-size: 0.825rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 0.75rem;
    width: 100%;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: none;
}

.download-btn::before {
    display: none;
}

.download-btn:hover {
    background: var(--primary-hover);
    transform: none;
    box-shadow: none;
    filter: none;
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
    filter: brightness(0.95);
}

/* Download Buttons Group */
.download-buttons-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.download-btn.small {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.download-btn.small::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    transition: left var(--transition-slow);
}

.download-btn.small:hover::before {
    left: 100%;
}

.download-btn.small:hover {
    transform: translateY(-1px);
    box-shadow:
        0 3px 12px rgba(255, 0, 60, 0.2),
        0 0 0 1px rgba(255, 0, 60, 0.15);
}

@media (max-width: 768px) {
    .download-buttons-group {
        gap: 0.4rem;
    }

    .download-btn.small {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
}

.download-btn i {
    font-size: 0.75rem;
    opacity: 0.9;
}

/* Product buttons container */
.product-buttons {
    display: flex;
    gap: 0.5rem;
    flex-direction: column;
    margin-top: 0.75rem;
}

@media (min-width: 769px) {
    .product-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .download-btn,
    .guide-btn {
        width: 100%;
    }
}

.guide-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    text-align: center;
    box-shadow: none;
}

.guide-btn::before {
    display: none;
}

.guide-btn:hover {
    transform: none;
    box-shadow: none;
    background: var(--card-bg);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.guide-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.15);
}

.guide-btn i {
    font-size: 0.7rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .product-buttons {
        gap: 0.4rem;
        margin-top: 0.75rem;
    }

    .guide-btn,
    .download-btn {
        padding: 0.55rem 0.8rem;
        font-size: 0.75rem;
        border-radius: 7px;
    }

    .guide-btn i,
    .download-btn i {
        font-size: 0.65rem;
    }
}

/* Services Section */
.services {
    background: var(--gradient-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid rgba(255, 0, 60, 0.14);
    transition: all 0.3s ease;
}

.service-item:hover {
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: var(--dark-bg);
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Features Section - Single Card Layout */
.features {
    padding: 5rem 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

/* Features Grid - 3 Cards Layout */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: left;
}

.feature-item::before {
    display: none;
}

.feature-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.feature-item .feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-primary);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 25px rgba(255, 0, 60, 0.3);
}

.feature-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #FF5757, #FF3D3D, #FF003C, #D60033);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: brightness(1.2);
    text-shadow: 0 0 15px rgba(255, 0, 60, 0.5);
    position: relative;
}

.feature-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-style: italic;
    margin-bottom: 1.5rem;
    opacity: 1;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.feature-list {
    margin-top: 1rem;
}

.feature-list p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    padding-left: 0;
}

.feature-list p:last-child {
    margin-bottom: 0;
}

.feature-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Color-coded icons for different products */
.feature-item:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 8px 25px rgba(255, 0, 60, 0.3);
}

.feature-item:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    box-shadow: 0 8px 25px rgba(255, 0, 60, 0.3);
}

.feature-item:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    box-shadow: 0 8px 25px rgba(255, 0, 60, 0.3);
}

/* Responsive Design for Features */
@media (max-width: 768px) {
    .category-header {
        margin-bottom: 2rem;
    }

    .category-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .category-title h3 {
        font-size: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-item {
        padding: 1.5rem;
    }

    .feature-item .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Feature Header Clean */
.feature-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.feature-header::before {
    display: none;
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    background: var(--primary-color);
    box-shadow: none;
    flex-shrink: 0;
}

/* Neutralize specific icon colors */
.aimbot-icon,
.bypass-uid-icon,
.bypass-xg-icon {
    background: var(--primary-color) !important;
    box-shadow: none !important;
    border: none !important;
}

.feature-title-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    margin-bottom: 0.5rem;
    background: none !important;
    -webkit-text-fill-color: initial !important;
    text-shadow: none !important;
    filter: none !important;
}

.feature-subtitle {
    font-size: 1rem;
    color: var(--text-secondary) !important;
    font-style: normal;
    opacity: 1;
    font-weight: 400;
    text-shadow: none !important;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.feature-item::before {
    display: none;
}

.feature-item-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.feature-item strong {
    color: var(--accent-color);
    font-weight: 600;
}

.feature-item small {
    color: var(--text-secondary);
    opacity: 0.7;
    font-style: italic;
    display: block;
    margin-top: 0.5rem;
}

/* Bypass UID Specific Styles */
.bypass-description {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.bypass-main-feature {
    background: linear-gradient(135deg,
            rgba(78, 205, 196, 0.25),
            rgba(68, 160, 141, 0.15));
    border: 1px solid rgba(78, 205, 196, 0.5);
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    transition: all 0.4s ease;
    box-shadow: 0 8px 32px rgba(78, 205, 196, 0.15);
}

.bypass-main-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(78, 205, 196, 0.3);
    border-color: rgba(78, 205, 196, 0.7);
}

.bypass-icon {
    font-size: 4rem;
    flex-shrink: 0;
    color: #4ecdc4;
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.5);
}

.bypass-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.bypass-content p {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-weight: 500;
    opacity: 0.95;
}

.bypass-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.4), rgba(68, 160, 141, 0.25));
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(78, 205, 196, 0.6);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.2);
}

.bypass-tech-info {
    background: linear-gradient(135deg,
            rgba(255, 0, 60, 0.15),
            rgba(75, 0, 130, 0.08));
    border: 1px solid rgba(255, 0, 60, 0.4);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(5px);
    box-shadow: 0 8px 32px rgba(255, 0, 60, 0.1);
}

.bypass-tech-info p {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 500;
    opacity: 0.95;
}

.bypass-tech-info p:last-child {
    margin-bottom: 0;
    font-style: italic;
    opacity: 0.9;
    color: var(--text-secondary);
}

/* Bypass XG Team Specific Styles */
.xg-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.xg-feature-item {
    background: linear-gradient(135deg,
            rgba(168, 230, 207, 0.25),
            rgba(86, 197, 150, 0.15));
    border: 1px solid rgba(168, 230, 207, 0.5);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.4s ease;
    text-align: center;
    box-shadow: 0 8px 32px rgba(168, 230, 207, 0.15);
}

.xg-feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(168, 230, 207, 0.3);
    border-color: rgba(168, 230, 207, 0.7);
}

.xg-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    color: #a8e6cf;
    text-shadow: 0 0 20px rgba(168, 230, 207, 0.5);
}

.xg-feature-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.xg-feature-item p {
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 500;
    opacity: 0.95;
}

/* Responsive Design */
@media (max-width: 768px) {
    .feature-header {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .feature-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .feature-title-section h3 {
        font-size: 1.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .bypass-main-feature {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .bypass-icon {
        font-size: 3rem;
    }

    .xg-features-grid {
        grid-template-columns: 1fr;
    }

    .bypass-benefits {
        justify-content: center;
    }
}

.contact-wrapper {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

.contact-main-title {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light), #ff6b6b);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    position: relative;
}

.contact-main-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    border-radius: 2px;
    animation: titleGlow 2s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    0% {
        box-shadow: 0 0 5px var(--accent-color);
    }

    100% {
        box-shadow: 0 0 20px var(--accent-color), 0 0 30px var(--accent-light);
    }
}

.contact-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Contact Cards 3D - Compact */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-card {
    position: relative;
    perspective: 1000px;
    height: 140px;
}

.contact-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(255, 0, 60, 0.1) 0%,
            rgba(75, 0, 130, 0.05) 50%,
            rgba(255, 0, 60, 0.1) 100%);
    border: 1px solid rgba(255, 0, 60, 0.3);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.contact-card-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 0, 60, 0.2),
            transparent);
    transition: left 0.8s;
}

.contact-card:hover .contact-card-inner::before {
    left: 100%;
}

.contact-card:hover .contact-card-inner {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    background: var(--card-bg);
}

.contact-icon {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
    background: var(--card-bg);
    border: 1px solid var(--border);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.zalo-gradient,
.facebook-gradient {
    background: var(--primary-color);
    animation: none;
}

.icon-glow,
.zalo-glow,
.facebook-glow {
    display: none;
}

.contact-card:hover .icon-glow {
    opacity: 1;
    animation: glowPulse 1.5s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }
}

/* Contact Info Text - Compact */
.contact-info-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--accent-light);
    transform: translateX(5px);
}

.contact-link i {
    font-size: 0.85rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.contact-link:hover i {
    opacity: 1;
    transform: translateX(3px);
}

/* Community Section Enhanced - Compact */
.community-section {
    margin-bottom: 2rem;
    position: relative;
}

.community-header {
    text-align: center;
    margin-bottom: 1.8rem;
}

.community-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: dividerShine 2s ease-in-out infinite;
}

@keyframes dividerShine {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* Community Grid - Compact */
.community-grid {
    display: grid;
    gap: 1.2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.community-card {
    position: relative;
    padding: 1.2rem;
    border-radius: 14px;
    text-decoration: none;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    border: 1px solid rgba(255, 0, 60, 0.2);
    backdrop-filter: blur(5px);
}

.facebook-community {
    background: linear-gradient(135deg,
            rgba(24, 119, 242, 0.1),
            rgba(66, 165, 245, 0.05));
}

.zalo-community {
    background: linear-gradient(135deg,
            rgba(255, 193, 7, 0.1),
            rgba(255, 152, 0, 0.05));
}

.community-bg-effect {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent);
    transition: left 0.6s ease;
}

.community-card:hover .community-bg-effect {
    left: 100%;
}

.community-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 30px rgba(255, 0, 60, 0.2);
}

.facebook-community:hover {
    border-color: rgba(24, 119, 242, 0.5);
    box-shadow: 0 12px 30px rgba(24, 119, 242, 0.3);
}

.zalo-community:hover {
    border-color: rgba(255, 193, 7, 0.5);
    box-shadow: 0 12px 30px rgba(255, 193, 7, 0.3);
}

.community-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 2;
}

.community-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.facebook-community .community-icon {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
    color: white;
}

.zalo-community .community-icon {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    color: white;
}

.community-card:hover .community-icon {
    transform: rotateY(180deg) scale(1.1);
}

.community-text {
    flex: 1;
}

.community-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.2rem;
}

.community-desc {
    font-size: 0.85rem;
    opacity: 0.8;
    color: var(--text-secondary);
}

.community-arrow {
    font-size: 1.1rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.community-card:hover .community-arrow {
    transform: translateX(5px);
    color: var(--accent-light);
}

/* 3D Social Links - Compact */
.social-section {
    text-align: center;
}

.social-links-3d {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    perspective: 1000px;
}

.social-3d {
    width: 60px;
    height: 60px;
    position: relative;
    text-decoration: none;
    transform-style: preserve-3d;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

.social-face {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: all 0.6s ease;
}

.social-face.front {
    z-index: 2;
}

.social-face.back {
    transform: rotateY(180deg) translateZ(-5px);
    z-index: 1;
}

.facebook-3d .social-face {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
    box-shadow: 0 6px 20px rgba(24, 119, 242, 0.3);
}

.zalo-3d .social-face {
    background: linear-gradient(135deg, #0068ff, #00c6ff);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.3);
}

.community-3d .social-face {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    box-shadow: 0 6px 20px rgba(255, 0, 60, 0.3);
}

.social-3d:hover {
    transform: rotateY(180deg) scale(1.1);
}

.facebook-3d:hover .social-face {
    box-shadow: 0 12px 35px rgba(24, 119, 242, 0.5);
}

.zalo-3d:hover .social-face {
    box-shadow: 0 12px 35px rgba(0, 104, 255, 0.5);
}

.community-3d:hover .social-face {
    box-shadow: 0 12px 35px rgba(255, 0, 60, 0.5);
}

/* Responsive Design - Compact */
@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .contact-card {
        height: 120px;
    }

    .contact-card-inner {
        padding: 1.2rem;
        gap: 1rem;
    }

    .contact-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
    }

    .contact-main-title {
        font-size: 1.8rem;
    }

    .community-grid {
        grid-template-columns: 1fr;
    }

    .social-links-3d {
        gap: 1.2rem;
    }

    .social-3d {
        width: 55px;
        height: 55px;
    }

    .social-face {
        font-size: 1.3rem;
    }
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: var(--card-bg);
    color: var(--primary-color);
    border: 1px solid rgba(255, 0, 60, 0.30);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 60, 0.25);
}

/* Contact Form */
.contact-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 0, 60, 0.22);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 0, 60, 0.22);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

/* Footer - Premium Style */
.footer {
    background: var(--dark-bg);
    padding: 3.5rem 0 2.5rem;
    border-top: 1px solid var(--border);
    position: relative;
}

/* Stats Section - Premium Glassmorphism */
.contact-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.stat-item-modern {
    background: rgba(15, 15, 20, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    min-width: 180px;
}

.stat-item-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(99, 102, 241, 0.3);
    /* Soft glow #6366f1 */
    border-color: rgba(99, 102, 241, 0.3);
}

.stat-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 0, 60, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Inter', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Footer - Premium Layout */
.footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.footer::before {
    display: none;
}

.footer-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 12px rgba(255, 0, 60, 0.3));
    transition: all 0.3s ease;
}

.footer-logo:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 8px 20px rgba(255, 0, 60, 0.5));
    color: var(--primary-hover);
}

.footer-logo i {
    margin-right: 0.75rem;
    color: var(--primary-color);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0.5;
    /* Hierarchy */
    margin-bottom: 0.75rem;
    font-weight: 400;
}

/* Reveal on scroll - Smooth Animation */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(10, 12, 18, 0.92);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 1.5rem 0;
        -webkit-backdrop-filter: blur(var(--glass-blur));
        backdrop-filter: blur(var(--glass-blur));
        gap: 0.75rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-container {
        grid-template-columns: auto 1fr auto auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .stat-item {
        width: 100%;
        max-width: 300px;
        padding: 1.2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .gaming-setup {
        transform: none;
    }

    .monitor {
        width: 250px;
        height: 160px;
    }

    .keyboard {
        width: 230px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 1rem 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading and hero animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text {
    animation: fadeInUp 1s ease-out;
}

.hero-visual {
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* Background Animation layering tweak */
.bg-animation {
    z-index: -3;
}

/* Overlays: grid + noise */
.bg-overlays,
.bg-overlays * {
    pointer-events: none;
}

.bg-overlays,
.bg-grid,
.bg-noise,
.fx-canvas {
    display: none !important;
}

/* FX Canvas (snow/particles) */
.fx-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    /* above bg overlays, behind content */
    pointer-events: none;
    mix-blend-mode: lighten;
    opacity: 0.65;
}

[data-theme="light"] .fx-canvas {
    mix-blend-mode: multiply;
    opacity: 0.35;
}

[data-theme="neon"] .fx-canvas {
    opacity: 0.8;
}

@media (prefers-reduced-motion: reduce) {
    .fx-canvas {
        display: none;
    }
}

/* Theme switcher button - Refined */
.theme-switcher {
    pointer-events: auto;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid hsla(265, 50%, 50%, 0.15);
    background: hsla(265, 40%, 45%, 0.08);
    -webkit-backdrop-filter: blur(var(--glass-blur));
    backdrop-filter: blur(var(--glass-blur));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition);
    cursor: pointer;
    margin-left: 0.5rem;
    box-shadow: var(--shadow-xs);
}

.theme-switcher:hover {
    transform: translateY(-2px) rotate(15deg);
    box-shadow: var(--shadow-sm), var(--shadow-glow);
    border-color: hsla(265, 60%, 55%, 0.3);
    background: hsla(265, 50%, 50%, 0.15);
}

.theme-switcher i {
    font-size: 1rem;
    transition: all var(--transition);
}

.theme-switcher:hover i {
    color: var(--accent-light);
}



/* Magnetic hint */
.btn {
    position: relative;
    will-change: transform;
}

/* Theme variants */
[data-theme="light"] {
    --primary-color: #FF003C;
    --secondary-color: #FF5757;
    --accent-color: #ff8095;
    --gradient-primary: linear-gradient(135deg, #FF5757, #FF003C);
    --gradient-secondary: linear-gradient(135deg, #ff8095, #FF5757);
    --grid-color: rgba(255, 0, 60, 0.10);
    --glow: 0 18px 46px rgba(255, 0, 60, 0.20);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.65);
    border-bottom: var(--elev-border);
}

[data-theme="light"] .service-icon i {
    color: var(--dark-bg);
}

[data-theme="neon"] {
    --primary-color: #39ff14;
    --secondary-color: #ff00f5;
    --accent-color: #00f0ff;
    --dark-bg: #07070a;
    --card-bg: rgba(10, 10, 18, 0.72);
    --text-primary: #e6f7ff;
    --text-secondary: #a5b3c7;
    --gradient-primary: linear-gradient(135deg, #39ff14, #00f0ff);
    --gradient-secondary: linear-gradient(135deg, #ff00f5, #ff6b00);
    --glow: 0 0 0 transparent, 0 12px 40px rgba(57, 255, 20, 0.25);
    --grid-color: rgba(57, 255, 20, 0.08);
}

[data-theme="neon"] .product-card:hover,
[data-theme="neon"] .service-item:hover,
[data-theme="neon"] .feature-card:hover {
    box-shadow: 0 0 0 2px rgba(57, 255, 20, 0.15), 0 30px 80px rgba(57, 255, 20, 0.18);
}

[data-theme="neon"] .btn-primary:hover {
    box-shadow: 0 18px 50px rgba(57, 255, 20, 0.35);
}

/* Make cards tilt-able */
.product-card,
.feature-card,
.service-item {
    position: relative;
}

/* Nav container layout spacing for switcher */
.nav-container {
    grid-template-columns: auto 1fr auto auto;
}

/* Mobile: place theme switcher near hamburger */
@media (max-width: 768px) {
    .nav-container {
        grid-template-columns: auto 1fr auto auto;
    }

    .theme-switcher {
        margin-right: 0.5rem;
    }
}

/* Gentle Light theme palette overrides */
[data-theme="light"] {
    --primary-color: #22c55e;
    /* soft green */
    --secondary-color: #8b5cf6;
    /* soft purple */
    --accent-color: #60a5fa;
    /* soft blue */
    --gradient-primary: linear-gradient(135deg, #22c55e, #60a5fa);
    --gradient-secondary: linear-gradient(135deg, #a78bfa, #60a5fa);
    --glow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Light theme: soften ambient blobs */
[data-theme="light"] body::before,
[data-theme="light"] body::after {
    opacity: 0.08;
    filter: blur(70px);
}

/* Vietnamese-friendly headings in light theme */
.logo,
.section-title,
.hero-title {
    font-family: 'Be Vietnam Pro', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
}

/* Contact Section - Modern Design */
.contact {
    padding: 6rem 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
            rgba(255, 0, 60, 0.05) 0%,
            rgba(75, 0, 130, 0.03) 50%,
            rgba(255, 0, 60, 0.05) 100%);
    pointer-events: none;
}

.contact-hero {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-hero-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    opacity: 0.8;
}

.contact-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.contact-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    position: relative;
    padding-left: 1rem;
}

.contact-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Modern Contact Cards */
.contact-cards-modern {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card-modern {
    position: relative;
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    overflow: hidden;
    cursor: pointer;
}

.contact-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.4s ease;
}

.contact-card-modern:hover .contact-card-bg {
    background: rgba(255, 255, 255, 0.05);
}

.contact-card-modern:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 0, 60, 0.3);
    box-shadow: 0 20px 40px rgba(255, 0, 60, 0.15);
}

.contact-card-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-icon-modern {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.zalo-card .contact-icon-modern {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.facebook-card .contact-icon-modern {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.icon-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 15px;
    animation: iconPulseModern 2s infinite;
}

.zalo-pulse {
    background: rgba(255, 0, 60, 0.3);
}

.facebook-pulse {
    background: rgba(255, 0, 60, 0.3);
}

@keyframes iconPulseModern {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.contact-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.zalo-btn {
    background: linear-gradient(135deg, #FF5757, #FF003C);
    color: white;
}

.facebook-btn {
    background: linear-gradient(135deg, #FF5757, #FF003C);
    color: white;
}

.contact-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Modern Community Cards */
.community-cards-modern {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.community-card-modern {
    position: relative;
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    overflow: hidden;
}

.community-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    transition: all 0.4s ease;
}

.facebook-bg {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.zalo-bg {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.community-card-modern:hover .community-card-bg {
    opacity: 0.15;
}

.community-card-modern:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 0, 60, 0.3);
}

.community-card-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.community-icon-modern {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
}

.facebook-community-modern .community-icon-modern {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.zalo-community-modern .community-icon-modern {
    background: linear-gradient(135deg, #FF5757, #FF003C);
}

.community-info {
    flex: 1;
}

.community-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.community-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.community-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(255, 0, 60, 0.2);
    color: var(--accent-color);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
}

.community-arrow {
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.community-card-modern:hover .community-arrow {
    color: var(--accent-color);
    transform: translateX(3px);
}

/* Contact Stats */
.contact-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item-modern {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-main-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1.5rem;
    }

    .stat-item-modern {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .contact-card-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .community-card-content {
        gap: 0.8rem;
    }
}

/* --- CSS CHO PLUGIN DABILUX NUÔI THÂN --- */

/* Container chính cố định bên phải */
.dabilux-nuoi-than-container {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99999;
    /* Z-index cao nhất để đè lên mọi thứ */
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    font-family: sans-serif;
    /* Đảm bảo font chữ cơ bản */
}

/* Wrapper cho nút bấm và chữ */
.dabilux-nuoi-than-trigger-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
    z-index: 50;
}

/* Animation Zoom ra Zoom vào (Pulse) */
@keyframes dabilux-nuoi-than-pulse-zoom {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
    }

    100% {
        transform: scale(1);
    }
}

/* Nút kích hoạt (Ảnh 1) */
.dabilux-nuoi-than-trigger-btn {
    width: 60px;
    /* Điều chỉnh kích thước nút ở đây */
    height: auto;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
    /* Áp dụng animation */
    animation: dabilux-nuoi-than-pulse-zoom 2s infinite ease-in-out;
}

/* Khi hover vào wrapper thì ngừng rung */
.dabilux-nuoi-than-trigger-wrapper:hover .dabilux-nuoi-than-trigger-btn {
    animation-play-state: paused;
    transform: scale(1.2);
}

/* Khi Widget đang mở (active) */
.dabilux-nuoi-than-container.active .dabilux-nuoi-than-trigger-btn {
    animation: none;
    transform: rotate(-15deg);
}

/* Dòng chữ kêu gọi hành động */
.dabilux-nuoi-than-cta-text {
    font-size: 11px;
    font-weight: bold;
    color: #d32f2f;
    /* Màu chữ */
    background-color: #ffeb3b;
    /* Màu nền */
    padding: 3px 8px;
    border-radius: 12px;
    margin-top: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
    animation: dabilux-nuoi-than-bounce-text 2s infinite 1s;
}

@keyframes dabilux-nuoi-than-bounce-text {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-3px);
    }
}

/* Khung nội dung bung ra (Ảnh 2 + Chữ) */
.dabilux-nuoi-than-popup-content {
    position: absolute;
    right: 80px;
    top: 50%;
    transform: translateY(-50%) scale(0);
    transform-origin: right center;
    width: 250px;
    /* Kích thước khung QR */
    background: white;
    padding: 15px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    text-align: center;
    z-index: 40;
}

/* Trạng thái hiện của popup */
.dabilux-nuoi-than-container.active .dabilux-nuoi-than-popup-content {
    transform: translateY(-50%) scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* Ảnh 2 (QR Code) */
.dabilux-nuoi-than-qr-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
    display: block;
}

/* Dòng chữ bên dưới QR */
.dabilux-nuoi-than-donate-text {
    color: #333;
    font-size: 14px;
    font-weight: 600;
    margin: 0;
    line-height: 1.4;
}

/* Mũi tên chỉ vào nút */
.dabilux-nuoi-than-popup-content::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 0 8px 8px;
    border-color: transparent transparent transparent white;
}

/* Mobile Responsive */
@media (max-width: 400px) {
    .dabilux-nuoi-than-popup-content {
        width: 200px;
    }

    .dabilux-nuoi-than-donate-text {
        font-size: 12px;
    }
}

/* =============================================
   PAYMENT METHODS SECTION
   ============================================= */

.payment-section {
    margin-top: 60px;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.payment-method-card {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(139, 92, 246, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1.5rem;
}

.payment-method-card:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.2);
}

/* Background gradient overlays */
.payment-method-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 0;
    transition: opacity 0.3s ease;
}

.payment-method-card:hover .payment-method-bg {
    opacity: 0.2;
}

.mb-bg {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}

.momo-bg {
    background: linear-gradient(135deg, #be185d, #ec4899);
}

.gachthe-bg {
    background: linear-gradient(135deg, #b45309, #f59e0b);
}

.payment-method-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.payment-method-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
    color: white;
}

.mb-card .payment-method-icon {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}

.momo-card .payment-method-icon {
    background: linear-gradient(135deg, #be185d, #ec4899);
}

.gachthe-card .payment-method-icon {
    background: linear-gradient(135deg, #b45309, #f59e0b);
}

.payment-method-info {
    flex: 1;
}

.payment-method-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.account-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.account-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(139, 92, 246, 0.08);
    border-radius: 8px;
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.account-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.account-value {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: 'Be Vietnam Pro', monospace;
}

/* Contact Section Title */
.contact-section-title {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-section-title::before {
    content: '';
    width: 4px;
    height: 100%;
    min-height: 1.5rem;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Mobile responsive for payment methods */
@media (max-width: 768px) {
    .payment-methods-grid {
        grid-template-columns: 1fr;
    }

    .payment-method-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .account-row {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }
}

/* Pricing Tabs Styles */
.pricing-tabs {
    margin: 40px 0;
}

.tab-triggers {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 100px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid var(--border);
}

.tab-btn {
    padding: 12px 30px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-btn i {
    font-size: 1.1rem;
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 0, 60, 0.3);
}

.tab-pane {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    .tab-triggers {
        width: 100%;
        border-radius: 15px;
        flex-direction: column;
        gap: 5px;
    }

    .tab-btn {
        width: 100%;
        justify-content: center;
    }
}

/* Hyper Ping Premium Card */
.hyper-card {
    background: linear-gradient(145deg, rgba(20, 20, 22, 0.9) 0%, rgba(26, 26, 29, 0.9) 100%);
    border: 1px solid rgba(255, 0, 60, 0.2);
    position: relative;
    overflow: hidden;
}

.hyper-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 0, 60, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hyper-card .premium-badge {
    position: absolute;
    top: 15px;
    right: -35px;
    background: var(--primary-color);
    color: white;
    padding: 5px 40px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(255, 0, 60, 0.3);
    z-index: 1;
}

.hyper-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin: 15px 0;
}

.hyper-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hyper-feature-item i {
    color: var(--primary-color);
    font-size: 0.9rem;
}

.laptop-req {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.laptop-req i {
    color: #ef4444;
    font-size: 1.1rem;
    margin-top: 2px;
}

.laptop-req span {
    color: #f87171;
    font-size: 0.8rem;
    line-height: 1.4;
}

.hyper-card .price-grid {
    background: rgba(255, 255, 255, 0.03);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Fix khoảng trống dư trong bảng giá Menu ADR */
.menu-premium-grid .price-grid,
.menu-premium-grid-home .price-grid {
    margin: 0 0 0.5rem 0;
    gap: 0.5rem;
    align-items: start;
}

.menu-premium-grid .price-grid .price-item,
.menu-premium-grid-home .price-grid .price-item {
    height: auto;
    padding: 0.55rem 0.85rem;
}