:root {
    /* Colors based on DaisyUI/Tailwind */
    --b1: #ffffff; /* Base 100 (Background) */
    --b2: #f2f2f2; /* Base 200 */
    --b3: #e5e6e6; /* Base 300 */
    --bc: #1f2937; /* Base Content (Text) */
    
    --p: #491eff; /* Primary */
    --pc: #ffffff; /* Primary Content */
    --s: #ff41c7; /* Secondary */
    --sc: #ffffff;
    
    --su: #00ca92; /* Success */
    --wa: #ffc22d; /* Warning */
    --er: #ff6f70; /* Error */

    --rounded-box: 1rem;
    --rounded-btn: 0.5rem;
    --rounded-badge: 1.9rem;
    --animation-btn: 0.25s;
    
    /* Box shadow like tailwind */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --b1: #1d232a;
        --b2: #191e24;
        --b3: #15191e;
        --bc: #a6adbb;
        
        --p: #7582ff;
        --pc: #050617;
    }
}

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

html {
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
    background-color: var(--b1);
    color: var(--bc);
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--bc);
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.875rem; margin-bottom: 2rem; text-align: center; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin-bottom: 1rem; opacity: 0.8; }

a {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    min-height: 4rem;
    background-color: var(--b1);
    border-bottom: 1px solid var(--b2);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

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

.brand {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand svg {
    width: 1.5rem;
    height: 1.5rem;
    fill: var(--p);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--p);
}

.nav-actions {
    display: flex;
    gap: 0.5rem;
}

/* DaisyUI Style Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
    flex-wrap: wrap;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1em;
    min-height: 3rem;
    height: 3rem;
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: var(--rounded-btn);
    border-width: 1px;
    border-color: transparent;
    transition-duration: var(--animation-btn);
    transition-property: color, background-color, border-color, opacity, box-shadow, transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background-color: var(--p);
    color: var(--pc);
    border-color: var(--p);
}

.btn-primary:hover {
    background-color: color-mix(in srgb, var(--p) 80%, black);
    border-color: color-mix(in srgb, var(--p) 80%, black);
}

.btn-outline {
    background-color: transparent;
    color: var(--bc);
    border-color: var(--bc);
    opacity: 0.7;
}

.btn-outline:hover {
    background-color: var(--bc);
    color: var(--b1);
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--bc);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 4rem);
    padding: 4rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.9)), url('hero_bg.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--b3);
}

.hero h1, .hero p {
    color: #ffffff;
}

.hero-content {
    max-width: 48rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* DaisyUI Style Badge */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition-property: color, background-color, border-color, box-shadow;
    transition-duration: 0.2s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    height: 1.25rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    padding-left: 0.563rem;
    padding-right: 0.563rem;
    border-radius: var(--rounded-badge);
    border-width: 1px;
    background-color: var(--p);
    color: var(--pc);
    border-color: var(--p);
    margin-bottom: 1rem;
}

/* DaisyUI Style Cards */
.card {
    display: flex;
    flex-direction: column;
    border-radius: var(--rounded-box);
    background-color: var(--b1);
    box-shadow: var(--shadow);
    border: 1px solid var(--b2);
    overflow: hidden;
}

.card-body {
    padding: 2rem;
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

/* Sections */
section {
    padding: 5rem 0;
}

.features-grid, .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--rounded-btn);
    background-color: var(--b2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--p);
}

/* Pricing specific */
.price-card {
    position: relative;
}
.price-card.popular {
    border-color: var(--p);
    box-shadow: var(--shadow-lg);
}

.price-card.popular .badge {
    position: absolute;
    top: -0.625rem;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 1rem 0;
}
.price-period {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.6;
}

.price-features {
    list-style: none;
    margin: 1.5rem 0;
    flex-grow: 1;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}
.price-features svg {
    color: var(--su);
}

/* Why Choose SEO Section */
.seo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.seo-image {
    border-radius: var(--rounded-box);
    background-color: var(--b2);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.text-primary {
    color: var(--p);
}

/* Marquee Testimonials */
.marquee-container {
    display: flex;
    overflow: hidden;
    position: relative;
    width: 100%;
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-track {
    display: flex;
    gap: 1.5rem;
    animation: scroll 40s linear infinite;
    padding: 1rem 0;
}

.marquee-track:hover {
    animation-play-state: paused;
}

.testimonial-card {
    min-width: 300px;
    flex-shrink: 0;
}

.stars {
    color: var(--wa);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-300px * 5 - 1.5rem * 5)); }
}

/* DaisyUI Style Accordion (FAQ) */
details {
    background-color: var(--b1);
    border: 1px solid var(--b2);
    border-radius: var(--rounded-box);
    margin-bottom: 1rem;
    overflow: hidden;
}

summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    transition: background-color 0.2s;
}

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

summary:hover {
    background-color: var(--b2);
}

summary::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-bottom: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.2s ease-in-out;
}

details[open] summary::after {
    transform: rotate(225deg);
    margin-top: 0.25rem;
}

.faq-content {
    padding: 0 1.5rem 1.5rem;
    opacity: 0.8;
}

/* Bottom CTA */
.bottom-cta {
    text-align: center;
    background-color: var(--b2);
    border-top: 1px solid var(--b3);
}

/* DaisyUI Style Footer */
.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2.5rem 1rem;
    background-color: var(--b2);
    color: var(--bc);
    border-top: 1px solid var(--b3);
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav a {
    font-size: 0.875rem;
    opacity: 0.8;
}
.footer-nav a:hover {
    opacity: 1;
}

.copyright {
    font-size: 0.875rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .seo-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--b1);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--b2);
        box-shadow: var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}