/* Nội dung SEO dưới bảng giá VPS — scope .vps-seo-below để an toàn khi nhúng vào vps.php */

.vps-seo-below {
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --bg-body: #020617;
    --bg-card: rgba(30, 41, 59, 0.4);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --bg-panel: linear-gradient(145deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.8));
    --text-white: #ffffff;
    --text-light: #f8fafc;
    --text-main: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    --cyan-300: #67e8f9;
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --blue-400: #60a5fa;
    --blue-500: #3b82f6;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --purple-400: #c084fc;
    --purple-500: #a855f7;
    --orange-400: #fb923c;
    --red-400: #f87171;
    --border-light: rgba(51, 65, 85, 0.5);
    --border-hover: rgba(34, 211, 238, 0.3);
    --section-gap: 4rem;

    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

@media (min-width: 768px) {
    .vps-seo-below {
        --section-gap: 6rem;
    }
}

.vps-seo-below,
.vps-seo-below *::before,
.vps-seo-below *::after {
    box-sizing: border-box;
}

.vps-seo-below * {
    margin: 0;
    padding: 0;
}

.vps-seo-below ul {
    list-style: none;
}

.vps-seo-below a {
    text-decoration: none;
}

.vps-seo-below strong {
    font-weight: 600;
    color: #e2e8f0;
}

.vps-wrapper {
    position: relative;
    overflow: hidden;
    padding: 1rem;
    min-height: 100vh;
}

@media (min-width: 640px) {
    .vps-wrapper {
        padding: 2rem;
    }
}

.vps-seo-below--embed.vps-wrapper {
    min-height: auto;
}

.vps-container {
    max-width: 80rem;
    margin: 0 auto;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .vps-container {
        margin-top: 6rem;
    }
}

.vps-seo-below--embed .vps-container {
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .vps-seo-below--embed .vps-container {
        margin-top: 3rem;
    }
}

.vps-content-stack {
    display: flex;
    flex-direction: column;
    gap: var(--section-gap);
    margin-top: 3.5rem;
}

@media (min-width: 768px) {
    .vps-content-stack {
        margin-top: 5rem;
    }
}

.vps-seo-below--embed .vps-content-stack {
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .vps-seo-below--embed .vps-content-stack {
        margin-top: 3rem;
    }
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(to right, var(--cyan-400), var(--blue-400), var(--emerald-400));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.ambient-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.glow-top {
    top: -6rem;
    left: 50%;
    transform: translateX(-50%);
    width: min(100%, 42rem);
    height: 18rem;
    background-color: rgba(6, 182, 212, 0.15);
    filter: blur(100px);
}

.vps-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(51, 65, 85, 0.9);
    border-radius: 999px;
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cyan-400);
    backdrop-filter: blur(4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: var(--cyan-400);
    animation: vps-seo-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes vps-seo-pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.vps-main-title {
    font-size: 1.875rem;
    font-weight: 900;
    letter-spacing: -0.025em;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .vps-main-title {
        font-size: 3rem;
    }
}

.vps-lead-text {
    max-width: 48rem;
    margin: 0 auto;
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .vps-lead-text {
        font-size: 1.125rem;
    }
}

.vps-sub-text {
    max-width: 42rem;
    margin: 1rem auto 0;
    font-size: 0.875rem;
    color: #64748b;
}

.vps-section-header {
    margin-bottom: 2rem;
}

.vps-section-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .vps-section-header {
        text-align: left;
        margin-bottom: 3rem;
    }

    .vps-section-title {
        font-size: 1.875rem;
    }
}

.vps-section-desc {
    font-size: 1rem;
    color: #64748b;
}

.vps-features-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.vps-feature-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    transition: all 0.3s;
}

@media (min-width: 640px) {
    .vps-feature-row {
        flex-direction: row;
        gap: 1.5rem;
    }
}

.vps-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 1rem;
    border-radius: 1rem;
    transition: all 0.3s;
}

.vps-feature-icon i {
    width: 1.5rem;
    height: 1.5rem;
    transition: color 0.3s;
}

.icon-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--cyan-400);
}

.icon-purple {
    background: rgba(168, 85, 247, 0.1);
    color: var(--purple-400);
}

.icon-emerald {
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald-400);
}

.icon-blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--blue-400);
}

.vps-feature-row:hover .icon-cyan {
    background: var(--cyan-500);
    color: var(--text-dark);
}

.vps-feature-row:hover .icon-purple {
    background: var(--purple-500);
    color: var(--text-dark);
}

.vps-feature-row:hover .icon-emerald {
    background: var(--emerald-500);
    color: var(--text-dark);
}

.vps-feature-row:hover .icon-blue {
    background: var(--blue-500);
    color: var(--text-dark);
}

.vps-feature-content h5 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.vps-feature-content p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.625;
}

.vps-feature-row:hover .title-cyan {
    color: var(--cyan-400);
}

.vps-feature-row:hover .title-purple {
    color: var(--purple-400);
}

.vps-feature-row:hover .title-emerald {
    color: var(--emerald-400);
}

.vps-feature-row:hover .title-blue {
    color: var(--blue-400);
}

.vps-grid-3 {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .vps-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .vps-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.vps-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.vps-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: background 0.3s ease;
}

.vps-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -10px rgba(34, 211, 238, 0.1);
}

.vps-card:hover::before {
    background: linear-gradient(90deg, var(--cyan-400), var(--emerald-400));
}

.vps-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    margin-bottom: 1.25rem;
    background-color: rgba(34, 211, 238, 0.1);
    color: var(--cyan-400);
}

.vps-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.vps-card-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.col-span-2 {
    grid-column: span 1;
}

@media (min-width: 640px) and (max-width: 1023px) {
    .col-span-2 {
        grid-column: span 2;
    }
}

.vps-grid-2 {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .vps-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

.vps-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-light);
    border-radius: 1.25rem;
    padding: 1.5rem;
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
    .vps-panel {
        padding: 2.5rem;
    }
}

.vps-panel-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.vps-panel-icon {
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.vps-panel-icon.cyan {
    background: rgba(6, 182, 212, 0.1);
    color: var(--cyan-400);
}

.vps-panel-icon.emerald {
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald-400);
}

.vps-list {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.vps-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.vps-list-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-top: 0.375rem;
    flex-shrink: 0;
}

.vps-list-dot.cyan {
    background-color: var(--cyan-400);
    box-shadow: 0 0 10px rgba(34, 211, 238, 0.6);
}

.vps-list-dot.emerald {
    background-color: var(--emerald-400);
    box-shadow: 0 0 10px rgba(52, 211, 153, 0.6);
}

.vps-grid-4 {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
    .vps-grid-4 {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
    }
}

.vps-stat-box {
    background-color: rgba(30, 41, 59, 0.3);
    border: 1px solid rgba(51, 65, 85, 0.4);
    border-radius: 1rem;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s;
}

.vps-stat-box:hover {
    background-color: rgba(30, 41, 59, 0.6);
    border-color: #475569;
}

.vps-stat-value {
    font-size: 1.875rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--text-white);
    margin-bottom: 0.25rem;
}

@media (min-width: 768px) {
    .vps-stat-value {
        font-size: 2.25rem;
    }
}

.vps-stat-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.vps-os-container {
    text-align: center;
}

.vps-os-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .vps-os-title {
        font-size: 1.25rem;
    }
}

.vps-os-title span {
    color: var(--cyan-400);
}

.vps-os-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.vps-os-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    border: 1px solid rgba(51, 65, 85, 0.5);
    background: rgba(30, 41, 59, 0.5);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    transition: all 0.3s ease;
    cursor: default;
}

.vps-os-badge i {
    width: 1rem;
    height: 1rem;
}

.os-ubuntu:hover {
    border-color: rgba(249, 115, 22, 0.5);
    background: rgba(249, 115, 22, 0.1);
    color: var(--orange-400);
}

.os-centos:hover {
    border-color: rgba(168, 85, 247, 0.5);
    background: rgba(168, 85, 247, 0.1);
    color: var(--purple-400);
}

.os-debian:hover {
    border-color: rgba(248, 113, 113, 0.5);
    background: rgba(248, 113, 113, 0.1);
    color: var(--red-400);
}

.os-windows:hover {
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(59, 130, 246, 0.1);
    color: var(--blue-400);
}

.os-docker:hover {
    border-color: rgba(6, 182, 212, 0.5);
    background: rgba(6, 182, 212, 0.1);
    color: var(--cyan-400);
}

.os-cyberpanel:hover {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald-400);
}

.vps-faq-box {
    background-color: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-light);
    border-radius: 1.25rem;
    padding: 2rem;
}

.vps-faq-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.vps-faq-title i {
    color: var(--cyan-400);
}

.vps-details {
    border-bottom: 1px solid var(--border-light);
    padding: 1.25rem 0;
}

.vps-details:first-child {
    padding-top: 0;
}

.vps-details:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.vps-details summary {
    font-weight: 600;
    color: #e2e8f0;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    transition: color 0.2s;
}

.vps-details summary::-webkit-details-marker {
    display: none;
}

.vps-details summary:hover {
    color: var(--cyan-400);
}

.vps-details summary::after {
    content: '+';
    color: #64748b;
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1;
    transition:
        transform 0.3s ease,
        color 0.3s ease;
}

.vps-details[open] summary::after {
    transform: rotate(45deg);
    color: var(--cyan-400);
}

.vps-details p {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-right: 2rem;
    animation: vps-seo-fadeInDown 0.3s ease-out forwards;
}

@keyframes vps-seo-fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vps-cta {
    position: relative;
    overflow: hidden;
    text-align: center;
    border-radius: 1rem;
    border: 1px solid rgba(34, 211, 238, 0.3);
    background: linear-gradient(to bottom right, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (min-width: 768px) {
    .vps-cta {
        padding: 3rem;
    }
}

.cta-glow-1 {
    bottom: -6rem;
    right: -6rem;
    width: 16rem;
    height: 16rem;
    background: rgba(6, 182, 212, 0.2);
    filter: blur(80px);
}

.cta-glow-2 {
    top: -6rem;
    left: -6rem;
    width: 16rem;
    height: 16rem;
    background: rgba(59, 130, 246, 0.2);
    filter: blur(80px);
}

.vps-cta-content {
    position: relative;
    z-index: 10;
}

.vps-cta-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-white);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .vps-cta-title {
        font-size: 1.875rem;
    }
}

.vps-cta-desc {
    max-width: 42rem;
    margin: 0 auto 2rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.vps-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 999px;
    background-color: var(--cyan-400);
    color: var(--text-dark);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 10px 15px -3px rgba(34, 211, 238, 0.3);
    transition: all 0.3s ease;
}

.vps-btn:hover {
    background-color: var(--cyan-300);
    transform: scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(34, 211, 238, 0.5);
}

.vps-btn i {
    width: 1.25rem;
    height: 1.25rem;
}