:root {
    --bg-dark: #0a0a0c;
    --bg-card: #151518;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --neon-primary: #00d2ff;
    --neon-secondary: #0066ff;
    --neon-secondary-dark: rgba(0, 102, 255, 0.2);
    --neon-primary-dark: rgba(0, 210, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Spherical Breathing Lights Background */
body::before {
    content: '';
    position: fixed;
    bottom: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--neon-primary-dark) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    animation: breath-light 6s infinite alternate ease-in-out;
}

@keyframes breath-light {
    0% { transform: translateX(-50%) scale(0.8); opacity: 0.3; }
    100% { transform: translateX(-50%) scale(1.1); opacity: 0.8; }
}

a {
    text-decoration: none;
    color: inherit;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-shadow: 0 0 10px var(--neon-primary);
    color: var(--neon-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--neon-primary);
}

.btn-primary {
    background: var(--neon-primary);
    color: #000;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 0 25px rgba(0, 210, 255, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 8rem 20px;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.highlight {
    color: var(--neon-primary);
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Sections General */
section {
    padding: 5rem 5%;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-secondary);
    box-shadow: 0 0 20px var(--neon-secondary-dark);
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--neon-secondary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Pricing Grid - Based on Image */
.pricing-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.pricing-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    width: 280px;
    position: relative;
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.features-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.features-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list li::before {
    color: var(--neon-primary);
    font-weight: bold;
}

/* Theme variants */
.purple-theme {
    border: 1px solid rgba(0, 102, 255, 0.3);
}

.purple-theme:hover {
    box-shadow: 0 0 25px rgba(0, 102, 255, 0.2);
}

.green-theme {
    border: 2px solid var(--neon-primary);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.15);
    z-index: 2;
}

.green-theme:hover {
    transform: scale(1.05) translateY(-5px);
}

.badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--neon-primary);
    color: #000;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
}

.btn-pricing {
    display: block;
    text-align: center;
    padding: 0.8rem;
    border-radius: 6px;
    font-weight: bold;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-purple {
    background: var(--neon-primary);
    color: #000;
}
.btn-purple:hover {
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
}

.btn-green {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-green:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Wait, looking at the image, ALL buttons are neon green. */
.btn-purple, .btn-green {
    background: var(--neon-primary);
    color: #000;
    border: none;
}

.btn-purple:hover, .btn-green:hover {
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
    background: #00b8e6;
}

.green-theme .btn-green {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--neon-primary);
}
.green-theme .btn-green:hover {
    background: rgba(0, 210, 255, 0.1);
    border-color: var(--neon-primary);
}

/* Reviews */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--neon-primary);
}

.review-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: #e0e0e0;
}

.review-card span {
    color: var(--neon-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--neon-primary);
    transition: transform 0.3s;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding-top: 1rem;
    color: var(--text-secondary);
}

/* SEO Articles section */
.seo-articles-links {
    background: #08080a;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.links-grid a {
    display: flex;
    align-items: center;
    padding: 1.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: all 0.3s;
    font-size: 1.05rem;
    line-height: 1.5;
    min-height: 120px;
}

.links-grid a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--neon-primary);
    border-color: rgba(0, 210, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 5%;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--neon-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .green-theme {
        transform: scale(1);
    }
    .green-theme:hover {
        transform: translateY(-5px);
    }
}

/* Dynamic Blue Background Accents */
body::after {
    content: '';
    position: fixed;
    top: 10%;
    left: 20%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--neon-primary-dark) 0%, transparent 60%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    animation: float-accents 15s infinite alternate ease-in-out;
}

.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--neon-secondary-dark) 0%, transparent 60%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    animation: float-accents 20s infinite alternate-reverse ease-in-out;
}

@keyframes float-accents {
    0% { transform: scale(0.8) translate(0, 0); opacity: 0.5; }
    100% { transform: scale(1.2) translate(10vw, 10vh); opacity: 0.8; }
}
