/* Base Styles (Light Theme) */
:root {
    --primary-color: #a855f7;
    --primary-hover: #9333ea;
    --secondary-color: #ec4899;
    --bg-color: #ffffff;
    --card-bg: #ffffff;
    --card-hover-bg: #fdf2f8;
    --text-color: #0f172a;
    --text-muted: #475569;
    --border-color: #e2e8f0;
    --accent-color: #ec4899;
    --gradient-bg: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-hover: linear-gradient(135deg, #9333ea 0%, #db2777 100%);
}

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

html {
    scroll-behavior: smooth;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    margin-bottom: 1rem;
    font-weight: 700;
    color: #0f172a;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

/* Fade In Effects */
.fade-in-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: background-color 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-color);
    letter-spacing: 0.5px;
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    transition: color 0.3s;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn-login {
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s;
}

.btn-login:hover {
    color: var(--primary-color);
}

.btn-get {
    background: var(--gradient-bg);
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.3);
}

.btn-get:hover {
    background: var(--gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(168, 85, 247, 0.5);
    color: #fff;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    padding: 150px 20px 100px;
    text-align: center;
    background: radial-gradient(circle at top, #fdf4ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.discount-tag {
    display: inline-block;
    background-color: rgba(236, 72, 153, 0.1);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(236, 72, 153, 0.3);
}

.hero-section h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: var(--gradient-bg);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.btn-primary-large {
    display: inline-block;
    background: var(--gradient-bg);
    color: #fff;
    padding: 16px 40px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(168, 85, 247, 0.3);
}

.btn-primary-large:hover {
    background: var(--gradient-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(168, 85, 247, 0.4);
    color: #fff;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background-color: #fafafa;
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(168, 85, 247, 0.1);
    background-color: var(--card-hover-bg);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}

.pricing-card {
    background-color: var(--card-bg);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.15);
}

.pricing-card.recommended {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(168, 85, 247, 0.2);
}

.pricing-card.recommended:hover {
    transform: scale(1.06);
}

.recommended-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-bg);
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.3);
}

.pricing-card h3 {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.2rem;
}

.pricing-card .price {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin: 20px 0;
    color: var(--text-color);
}

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: normal;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 12px;
    color: var(--text-color);
    font-weight: 500;
}

.btn-plan {
    display: block;
    text-align: center;
    padding: 12px 0;
    border-radius: 6px;
    font-weight: bold;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-plan:hover {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.3);
}

.btn-plan.btn-primary {
    background: var(--gradient-bg);
    border: none;
    color: #fff;
}

.btn-plan.btn-primary:hover {
    background: var(--gradient-hover);
    box-shadow: 0 6px 15px rgba(168, 85, 247, 0.4);
}

/* Platforms Section */
.platforms-section {
    padding: 80px 0;
    background-color: #fafafa;
    border-bottom: 1px solid var(--border-color);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.platform-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    transition: all 0.3s ease;
}

.platform-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: 0 10px 20px rgba(236, 72, 153, 0.15);
}

.platform-card .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.platform-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn-download {
    display: inline-block;
    padding: 8px 24px;
    background-color: #f3e8ff;
    color: var(--primary-color);
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(168, 85, 247, 0.3);
}

/* Why Choose Section */
.why-choose-section {
    padding: 80px 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.why-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.why-card:hover {
    border-color: var(--primary-color);
    background-color: var(--card-hover-bg);
}

.why-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.why-card h4 {
    margin-bottom: 10px;
}

.why-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Testimonials Marquee */
.testimonials-section {
    padding: 80px 0;
    background-color: #fafafa;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.marquee-container {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 20px 0;
}

.marquee-container::before, .marquee-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
}

.marquee-container::before {
    left: 0;
    background: linear-gradient(to right, #fafafa, transparent);
}

.marquee-container::after {
    right: 0;
    background: linear-gradient(to left, #fafafa, transparent);
}

.marquee-content {
    display: inline-block;
    animation: marquee 25s linear infinite;
}

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

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.review-card {
    display: inline-block;
    width: 350px;
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    margin: 0 15px;
    white-space: normal;
    vertical-align: top;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
    transition: border-color 0.3s;
}

.review-card:hover {
    border-color: var(--secondary-color);
}

.review-card .stars {
    margin-bottom: 15px;
    color: #f59e0b;
}

.review-card p {
    font-style: italic;
    margin-bottom: 15px;
    color: var(--text-color);
}

.review-card .author {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 700;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

details {
    background-color: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

details:hover {
    border-color: var(--primary-color);
}

summary {
    padding: 20px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    position: relative;
    color: var(--text-color);
}

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

summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-color);
}

details[open] summary::after {
    content: '-';
}

details p {
    padding: 0 20px 20px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 15px;
    padding-top: 15px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at center, #fdf4ff 0%, #f3e8ff 100%);
    border-top: 1px solid var(--border-color);
}

.cta-section p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 1.2rem;
}

.btn-primary-giant {
    display: inline-block;
    background: var(--gradient-bg);
    color: #fff;
    padding: 20px 50px;
    border-radius: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.4);
}

.btn-primary-giant:hover {
    background: var(--gradient-hover);
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 15px 35px rgba(168, 85, 247, 0.5);
    color: #fff;
}

/* Footer */
.footer {
    background-color: #f8fafc;
    padding: 50px 0 30px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    font-weight: 600;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.copyright {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links, .nav-actions .btn-login, .nav-actions .btn-get {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .pricing-card.recommended {
        transform: scale(1);
    }
    .pricing-card.recommended:hover {
        transform: scale(1.02);
    }
}