/* International Cloud Service Platform Style */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --cloud-primary: #0052CC; /* Enterprise Blue */
    --cloud-primary-hover: #0047B3;
    --cloud-secondary: #00875A; /* Success Green */
    --cloud-dark: #091E42; /* Deep Navy text */
    --cloud-text: #172B4D; /* Main text */
    --cloud-muted: #5E6C84; /* Secondary text */
    --cloud-bg: #FFFFFF;
    --cloud-surface: #F4F5F7; /* Light gray background */
    --cloud-border: #DFE1E6;
    --cloud-accent: #FFAB00; /* Warning/Highlight */
    
    --font-main: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --radius-sm: 3px;
    --radius-md: 8px;
    
    --shadow-card: 0 1px 1px rgba(9, 30, 66, 0.25), 0 0 1px rgba(9, 30, 66, 0.31);
    --shadow-hover: 0 4px 8px -2px rgba(9, 30, 66, 0.25), 0 0 1px rgba(9, 30, 66, 0.31);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

a {
    text-decoration: none;
    color: var(--cloud-primary);
    transition: color 0.2s;
}
a:hover {
    color: var(--cloud-primary-hover);
    text-decoration: underline;
}

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

/* Buttons */
.btn-cloud {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none !important;
}
.btn-cloud.primary {
    background-color: var(--cloud-primary);
    color: white;
}
.btn-cloud.primary:hover {
    background-color: var(--cloud-primary-hover);
}
.btn-cloud.secondary {
    background-color: rgba(9, 30, 66, 0.04);
    color: var(--cloud-text);
}
.btn-cloud.secondary:hover {
    background-color: rgba(9, 30, 66, 0.08);
}
.btn-cloud.outline {
    background-color: transparent;
    border-color: var(--cloud-border);
    color: var(--cloud-text);
}
.btn-cloud.outline:hover {
    background-color: rgba(9, 30, 66, 0.04);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 1. Global Header (Cloud Style) */
.global-header {
    background-color: var(--cloud-dark);
    color: white;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}
.global-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-links a {
    color: #B3BAC5;
    margin-left: 1.5rem;
    text-decoration: none;
}
.header-links a:hover { color: white; }

.main-nav {
    background-color: white;
    border-bottom: 1px solid var(--cloud-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}
.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cloud-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.nav-brand svg { width: 24px; height: 24px; fill: var(--cloud-primary); }
.nav-menu {
    display: flex;
    gap: 2rem;
}
.nav-menu a {
    color: var(--cloud-text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 1.25rem 0;
    border-bottom: 2px solid transparent;
}
.nav-menu a:hover, .nav-menu a.active {
    color: var(--cloud-primary);
    border-bottom-color: var(--cloud-primary);
    text-decoration: none;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 2. Hero Section (Split Layout) */
.cloud-hero {
    background-color: var(--cloud-dark);
    color: white;
    padding: 6rem 0;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.hero-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: #4C9AFF;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}
.hero-desc {
    font-size: 1.25rem;
    color: #B3BAC5;
    margin-bottom: 2.5rem;
    max-width: 90%;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}
.hero-cta .btn-cloud {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}
.trust-bar {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
    color: #8993A4;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
}
.trust-bar span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.trust-bar span::before {
    content: '';
    display: inline-block;
    width: 16px; height: 16px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2300875A"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>') no-repeat center center;
}
.hero-visual {
    position: relative;
}
.hero-visual img {
    border-radius: var(--radius-md);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.1);
}

/* 3. Status Dashboard (Metrics) */
.status-section {
    background-color: var(--cloud-surface);
    padding: 3rem 0;
    border-bottom: 1px solid var(--cloud-border);
}
.status-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.status-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--cloud-primary);
}
.sc-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--cloud-muted);
    margin-bottom: 0.5rem;
}
.status-dot {
    width: 8px; height: 8px;
    background-color: var(--cloud-secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(0, 135, 90, 0.2);
}
.sc-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cloud-dark);
}

/* 4. Services (Features) */
.services-section {
    padding: 6rem 0;
}
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: 2.25rem;
    color: var(--cloud-dark);
    margin-bottom: 1rem;
}
.section-header p {
    font-size: 1.125rem;
    color: var(--cloud-muted);
    max-width: 600px;
    margin: 0 auto;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.service-card {
    background: white;
    border: 1px solid var(--cloud-border);
    border-radius: var(--radius-sm);
    padding: 2rem;
    transition: box-shadow 0.2s;
}
.service-card:hover {
    box-shadow: var(--shadow-hover);
}
.srv-icon {
    width: 48px; height: 48px;
    background: var(--cloud-surface);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.5rem;
}
.srv-icon img { width: 24px; height: 24px; object-fit: contain; }
.service-card h3 {
    font-size: 1.25rem;
    color: var(--cloud-dark);
    margin-bottom: 1rem;
}
.service-card p {
    color: var(--cloud-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}
.srv-list {
    list-style: none;
    border-top: 1px solid var(--cloud-border);
    padding-top: 1.5rem;
}
.srv-list li {
    font-size: 0.875rem;
    color: var(--cloud-text);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.srv-list li::before {
    content: '→';
    color: var(--cloud-primary);
    font-weight: bold;
}

/* 5. Global Infrastructure (Nodes Table) */
.infra-section {
    background-color: var(--cloud-surface);
    padding: 6rem 0;
    border-top: 1px solid var(--cloud-border);
    border-bottom: 1px solid var(--cloud-border);
}
.region-table-wrapper {
    background: white;
    border: 1px solid var(--cloud-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.region-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.region-table th {
    background-color: #FAFBFC;
    padding: 1rem 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--cloud-muted);
    border-bottom: 2px solid var(--cloud-border);
}
.region-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--cloud-border);
    font-size: 0.875rem;
    color: var(--cloud-text);
}
.region-table tr:last-child td { border-bottom: none; }
.region-table tr:hover td { background-color: #FAFBFC; }
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: #E3FCEF;
    color: #006644;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 700;
}
.latency-val {
    font-family: var(--font-mono);
    color: var(--cloud-muted);
}

/* 6. Enterprise Reviews */
.reviews-section {
    padding: 6rem 0;
}
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.review-block {
    padding: 2rem;
    background: white;
    border: 1px solid var(--cloud-border);
    border-radius: var(--radius-sm);
}
.r-stars { color: var(--cloud-accent); margin-bottom: 1rem; letter-spacing: 2px; }
.r-quote {
    font-size: 1rem;
    color: var(--cloud-text);
    margin-bottom: 1.5rem;
    font-style: italic;
}
.r-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--cloud-border);
    padding-top: 1rem;
}
.r-avatar {
    width: 32px; height: 32px;
    background: var(--cloud-dark);
    color: white;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}
.r-info strong { display: block; font-size: 0.875rem; color: var(--cloud-dark); }
.r-info span { font-size: 0.75rem; color: var(--cloud-muted); }

/* 7. Pricing (Tier Plans) */
.pricing-section {
    background-color: var(--cloud-dark);
    color: white;
    padding: 6rem 0;
}
.pricing-section .section-header h2 { color: white; }
.pricing-section .section-header p { color: #B3BAC5; }
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: flex-start;
}
.tier-card {
    background: white;
    color: var(--cloud-text);
    border-radius: var(--radius-sm);
    padding: 2.5rem 2rem;
    position: relative;
}
.tier-card.pro {
    transform: translateY(-1rem);
    border: 2px solid var(--cloud-primary);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}
.tier-badge {
    position: absolute;
    top: 0; left: 50%; transform: translate(-50%, -50%);
    background: var(--cloud-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}
.t-name { font-size: 1.25rem; font-weight: 700; color: var(--cloud-dark); margin-bottom: 0.5rem; }
.t-desc { font-size: 0.875rem; color: var(--cloud-muted); margin-bottom: 1.5rem; height: 40px; }
.t-price { font-size: 2.5rem; font-weight: 900; color: var(--cloud-dark); margin-bottom: 0.5rem; }
.t-price span { font-size: 1rem; font-weight: 400; color: var(--cloud-muted); }
.t-action { margin-bottom: 2rem; }
.t-action .btn-cloud { width: 100%; padding: 0.75rem; font-size: 1rem; }
.t-features { list-style: none; }
.t-features li {
    font-size: 0.875rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--cloud-border);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.t-features li:last-child { border-bottom: none; }
.t-features li::before { content: '✓'; color: var(--cloud-secondary); font-weight: bold; }

/* 8. FAQ & Footer */
.faq-section {
    padding: 6rem 0;
}
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid var(--cloud-border);
    padding: 1.5rem 0;
}
.faq-q {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--cloud-dark);
    margin-bottom: 0.5rem;
}
.faq-a {
    font-size: 0.95rem;
    color: var(--cloud-muted);
}

.global-footer {
    background-color: #091E42;
    color: #B3BAC5;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}
.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.footer-brand svg { width: 24px; height: 24px; fill: var(--cloud-primary); }
.footer-col h4 {
    color: white;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col ul a { color: #B3BAC5; font-size: 0.875rem; }
.footer-col ul a:hover { color: white; text-decoration: none; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
}

/* Subpages */
.page-header {
    background-color: var(--cloud-surface);
    border-bottom: 1px solid var(--cloud-border);
    padding: 4rem 0;
}
.page-header h1 {
    font-size: 2.5rem;
    color: var(--cloud-dark);
    margin-bottom: 1rem;
}
.page-header p {
    font-size: 1.125rem;
    color: var(--cloud-muted);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    padding: 4rem 0;
}
.dl-card {
    background: white;
    border: 1px solid var(--cloud-border);
    border-radius: var(--radius-sm);
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}
.dl-icon {
    font-size: 2.5rem;
    background: var(--cloud-surface);
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
}
.dl-info h3 { font-size: 1.25rem; color: var(--cloud-dark); margin-bottom: 0.5rem; }
.dl-info p { font-size: 0.875rem; color: var(--cloud-muted); margin-bottom: 1.5rem; }

.help-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 4rem;
    padding: 4rem 0;
}
.help-sidebar {
    position: sticky;
    top: 100px;
}
.help-menu {
    list-style: none;
}
.help-menu li { margin-bottom: 0.5rem; }
.help-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--cloud-text);
    border-radius: var(--radius-sm);
    font-weight: 500;
}
.help-menu a:hover { background: var(--cloud-surface); text-decoration: none; }
.help-menu a.active { background: #E6EFFC; color: var(--cloud-primary); }
.help-content h2 {
    font-size: 1.75rem;
    color: var(--cloud-dark);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--cloud-border);
}
.help-content h3 {
    font-size: 1.125rem;
    color: var(--cloud-dark);
    margin: 2rem 0 1rem;
}
.help-content p, .help-content li {
    color: var(--cloud-muted);
    margin-bottom: 1rem;
}
.help-content ul { padding-left: 1.5rem; margin-bottom: 1.5rem; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin: 0 auto 2.5rem; }
    .hero-cta { justify-content: center; }
    .trust-bar { justify-content: center; }
    .status-grid { grid-template-columns: repeat(2, 1fr); }
    .service-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .tier-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .tier-card.pro { transform: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .help-layout { grid-template-columns: 1fr; }
    .help-sidebar { position: static; }
}
@media (max-width: 768px) {
    .global-header { display: none; }
    .nav-menu { display: none; }
    .status-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}