/* Style sheet for Yepfast VPN (椰皮加速) Landing Page */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-dark: #070913;
    --bg-card: rgba(13, 17, 39, 0.6);
    --bg-card-hover: rgba(22, 28, 61, 0.75);
    --accent-cyan: #00f2fe;
    --accent-blue: #4facfe;
    --accent-purple: #a18cd1;
    --text-primary: #ffffff;
    --text-secondary: #a3a8cc;
    --text-muted: #62688f;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: rgba(0, 242, 254, 0.5);
    --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    --gradient-purple: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
    --gradient-dark: linear-gradient(180deg, #070913 0%, #0c0f24 100%);
    --font-heading: 'Outfit', 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    background-image: var(--gradient-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(79, 172, 254, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 242, 254, 0.6);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Background VPN Elements */
.vpn-bg-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.vpn-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(0, 242, 254, 0.05) 0%, transparent 60%),
        linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px);
    background-size: 100% 100%, 60px 60px, 60px 60px;
    transform: perspective(500px) rotateX(60deg);
    animation: gridScroll 40s linear infinite;
    opacity: 0.6;
}

.vpn-node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--accent-cyan), 0 0 30px var(--accent-cyan);
    animation: floatNode 8s infinite ease-in-out;
}

.node-1 { top: 20%; left: 15%; animation-delay: 0s; }
.node-2 { top: 40%; left: 80%; animation-delay: 2s; width: 6px; height: 6px; background: var(--accent-purple); box-shadow: 0 0 15px var(--accent-purple); }
.node-3 { top: 75%; left: 30%; animation-delay: 4s; }
.node-4 { top: 85%; left: 70%; animation-delay: 1s; width: 10px; height: 10px; }
.node-5 { top: 15%; left: 60%; animation-delay: 5s; width: 5px; height: 5px; background: var(--accent-blue); box-shadow: 0 0 15px var(--accent-blue); }

@keyframes gridScroll {
    0% { background-position: 0 0; }
    100% { background-position: 0 1200px; }
}

@keyframes floatNode {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.3); opacity: 0.9; }
}

/* Header & Navigation */
header {
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(7, 9, 19, 0.7);
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo-icon {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 8px;
    position: relative;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border: 3px solid #fff;
    border-top: none;
    border-right: none;
    border-radius: 2px;
    transform: translate(-50%, -60%) rotate(-45deg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--accent-cyan);
}

.btn-nav-cta {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
    transition: var(--transition);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5);
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 100px;
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(0, 242, 254, 0.1); }
    50% { box-shadow: 0 0 20px rgba(0, 242, 254, 0.3); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 30%, #a3a8cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.hero-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(0, 242, 254, 0.3);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 242, 254, 0.15);
}

/* Features Grid */
.features {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: rgba(0, 242, 254, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(79, 172, 254, 0.1);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: inset 0 0 10px rgba(0, 242, 254, 0.05);
}

.feature-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.pricing-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: stretch;
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    flex: 1;
    max-width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2rem;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pricing-card.popular {
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15);
    background: rgba(13, 17, 39, 0.85);
}

.popular-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--gradient-primary);
    color: var(--bg-dark);
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: rgba(0, 242, 254, 0.4);
    box-shadow: 0 20px 40px rgba(0, 242, 254, 0.15);
}

.plan-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.plan-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.plan-price-box {
    margin-bottom: 2.5rem;
}

.plan-price {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    display: inline-flex;
    align-items: baseline;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}

.plan-features {
    list-style: none;
    margin-bottom: 3rem;
    flex-grow: 1;
}

.plan-features li {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.plan-features li::before {
    content: '✓';
    color: var(--accent-cyan);
    font-weight: bold;
}

.btn-pricing {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.btn-pricing.primary {
    background: var(--gradient-primary);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.btn-pricing.primary:hover {
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.4);
    transform: scale(1.02);
}

.btn-pricing.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.btn-pricing.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: scale(1.02);
}

/* Articles Section */
.articles-section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: rgba(0, 242, 254, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.article-image {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(161, 140, 209, 0.1) 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.article-image-icon {
    font-size: 3.5rem;
    color: rgba(0, 242, 254, 0.3);
    text-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
}

.article-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    gap: 1rem;
}

.article-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.4;
    height: 48px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.article-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.article-title a:hover {
    color: var(--accent-cyan);
}

.article-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    flex-grow: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.article-link {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-cyan);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition);
}

.article-link:hover {
    color: var(--accent-blue);
    gap: 0.5rem;
}

/* User Reviews Section */
.reviews {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.reviews-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.review-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0, 242, 254, 0.2);
}

.review-rating {
    color: #ffc107;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.review-text {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.review-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--bg-dark);
}

.review-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.review-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ Accordion Section */
.faq {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--accent-cyan);
    transition: var(--transition);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-answer p {
    padding-bottom: 1.5rem;
}

.faq-item.active {
    border-color: rgba(0, 242, 254, 0.3);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* Footer & Backlink Injection */
footer {
    background: #04060e;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
    list-style: none;
}

.footer-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--accent-cyan);
}

.footer-divider {
    max-width: 600px;
    height: 1px;
    background: var(--border-color);
    margin: 0 auto 2rem;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* PBN SEO link structure - Deeply integrated, low-profile and beautiful */
/* PBN SEO link structure - clearly visible, beautiful and functional */
.seo-links-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.seo-links-label {
    color: var(--text-muted);
    font-weight: 500;
}

.seo-links-separator {
    color: var(--border-color);
}

.seo-link-item {
    color: var(--accent-cyan);
    text-decoration: underline;
    text-underline-offset: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.seo-link-item:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px var(--accent-cyan);
}

/* SVG layout styling for features and articles */
.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.article-image svg {
    width: 60px;
    height: 60px;
    stroke: var(--accent-cyan);
    stroke-width: 1.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
    transition: var(--transition);
}

.article-card:hover .article-image svg {
    transform: scale(1.1) rotate(3deg);
    stroke: var(--text-primary);
    filter: drop-shadow(0 0 15px var(--accent-cyan));
}

/* Glowing spheres that float and blink automatically */
.glow-lights-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.ambient-glow-light {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    mix-blend-mode: screen;
    opacity: 0.5;
}

.glow-light-1 {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.35) 0%, transparent 70%);
    top: 25%;
    left: 15%;
    animation: floatAuto1 16s infinite ease-in-out, blinkAuto 5s infinite ease-in-out;
}

.glow-light-2 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(161, 140, 209, 0.3) 0%, transparent 70%);
    top: 50%;
    right: 10%;
    animation: floatAuto2 20s infinite ease-in-out, blinkAuto 6s infinite ease-in-out;
}

.glow-light-3 {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.3) 0%, transparent 70%);
    bottom: 15%;
    left: 35%;
    animation: floatAuto3 14s infinite ease-in-out, blinkAuto 4.5s infinite ease-in-out;
}

@keyframes floatAuto1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, 80px) scale(1.2); }
    66% { transform: translate(-40px, -60px) scale(0.85); }
}

@keyframes floatAuto2 {
    0%, 100% { transform: translate(0, 0) scale(1.1); }
    50% { transform: translate(-80px, -50px) scale(0.9); }
}

@keyframes floatAuto3 {
    0%, 100% { transform: translate(0, 0) scale(0.9); }
    50% { transform: translate(50px, -70px) scale(1.15); }
}

@keyframes blinkAuto {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.9; filter: blur(30px); }
}

/* Glowing Indicator inside Pricing Cards (breathing node lights) */
.pricing-card-status-light {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.pricing-card-status-light::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #39ff14;
    box-shadow: 0 0 10px #39ff14, 0 0 20px #39ff14;
    animation: ledBlinking 1.5s infinite ease-in-out;
}

@keyframes ledBlinking {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.15); }
}


/* SEO Article Template Layout Styles */
.article-page {
    padding: 5rem 0;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.article-header {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    margin: 3rem 0 1.5rem;
    color: var(--accent-cyan);
}

.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body ul {
    margin: 1.5rem 0 1.5rem 2rem;
}

.article-body li {
    margin-bottom: 0.75rem;
}

.article-body blockquote {
    border-left: 4px solid var(--accent-cyan);
    padding: 1rem 1.5rem;
    background: rgba(0, 242, 254, 0.04);
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.article-body a {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-cyan);
    transition: var(--transition);
}

.article-body a:hover {
    color: var(--accent-blue);
    border-bottom-style: solid;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .pricing-row {
        flex-wrap: wrap;
        justify-content: center;
    }
    .pricing-card {
        flex: 0 0 calc(50% - 1rem);
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .nav-menu {
        display: none; /* Can trigger simple js-based toggling or mobile overlay */
    }
    
    .hamburger {
        display: block;
    }
    
    .hero {
        padding: 5rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .pricing-row {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        flex: 1 1 auto;
        width: 100%;
        max-width: 400px;
    }
    
    .footer-bottom {
        gap: 1.5rem;
    }

    .seo-links-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .seo-link-item::before {
        display: none;
    }
}