/* Listopia AI - Purple/Pink Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Listopia Purple/Pink Color Scheme - Dark Mode Default */
    --primary-color: #a855f7;
    --primary-dark: #9333ea;
    --primary-light: #c084fc;
    --secondary-color: #ec4899;
    --accent-color: #f97316;
    
    /* Dark Mode Defaults */
    --text-dark: #f5f3ff;
    --text-medium: #ddd6fe;
    --text-light: #c4b5fd;
    --background: #1e1b4b;
    --background-alt: #312e81;
    --background-card: #312e81;
    --border-color: #6d28d9;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #ec4899 0%, #f97316 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--background);
    transition: background 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(30, 27, 75, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(30, 27, 75, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo i {
    font-size: 2rem;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--background-alt);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-light {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.btn-light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline-light:hover {
    background: white;
    color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(168, 85, 247, 0.1);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

.btn-icon:hover {
    background: rgba(168, 85, 247, 0.2);
    transform: scale(1.1);
    color: var(--primary-light);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.4);
}

body.light-mode .btn-icon {
    background: rgba(168, 85, 247, 0.05);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 5px rgba(168, 85, 247, 0.1);
}

body.light-mode .btn-icon:hover {
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary-dark);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.2);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, #1e1b4b 0%, #312e81 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    opacity: 0.6;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 25s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    top: -300px;
    left: -300px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, transparent 70%);
    top: 40%;
    right: -250px;
    animation-delay: -8s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.3) 0%, transparent 70%);
    bottom: -200px;
    left: 40%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -50px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(168, 85, 247, 0.2);
    font-size: 0.9rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.trust-badges {
    margin: 3rem 0;
}

.trust-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 600;
}

.trust-logos {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--background-card);
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.trust-logo:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.trust-logo i {
    color: var(--primary-color);
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Create Section */
.create-section {
    background: var(--background);
}

.create-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.create-card {
    background: var(--background-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    transition: all 0.4s ease;
}

.create-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.15);
    border-color: var(--primary-color);
}

.create-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.2);
}

.create-icon i {
    font-size: 2rem;
    color: white;
}

.create-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.create-card > p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.create-list {
    list-style: none;
    margin-top: 1.5rem;
}

.create-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.create-list i {
    color: var(--primary-color);
    font-size: 0.8rem;
}

/* Features Section */
.features {
    background: var(--background-alt);
}

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

.feature-card {
    background: var(--background-card);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.15);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.2);
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Audience Section */
.audience-section {
    background: var(--background);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.audience-card {
    background: var(--background-card);
    padding: 2rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.audience-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.audience-icon {
    width: 80px;
    height: 80px;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.audience-icon i {
    font-size: 2rem;
    color: var(--primary-color);
}

.audience-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.audience-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    background: var(--background-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: var(--background-card);
    padding: 3rem;
    border-radius: 24px;
    border: 2px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.2);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.6rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 4px 16px rgba(168, 85, 247, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
    margin: 1rem 0;
}

.currency {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 1.5rem;
}

.amount-custom {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-medium);
}

.pricing-features i {
    color: var(--primary-color);
}

/* Showcase Section */
.showcase {
    background: var(--background);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.showcase-item {
    background: var(--background-card);
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.showcase-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.showcase-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-image i {
    font-size: 4rem;
    color: white;
    opacity: 0.9;
}

.showcase-info {
    padding: 1.5rem;
}

.showcase-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.showcase-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

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

/* Footer */
.footer {
    background: linear-gradient(180deg, #1e1b4b 0%, #0f0a2e 100%);
    color: white;
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo i {
    font-size: 2rem;
}

.footer-col p {
    color: #c4b5fd;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(168, 85, 247, 0.4);
}

.footer-col h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: #c4b5fd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #c4b5fd;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        padding: 0 2rem;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--background-card);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-actions {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 8rem 0 4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .trust-logos {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .create-grid,
    .features-grid,
    .audience-grid,
    .pricing-grid,
    .showcase-grid {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-actions {
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Additional Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    animation: fadeInUp 0.8s ease-out;
}

/* Counter styling */
.counter {
    display: inline-block;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Enhanced hover states */
.feature-card, .create-card, .audience-card, .use-case-card {
    will-change: transform;
}

/* Performance optimizations */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    image-rendering: -webkit-optimize-contrast;
}

/* Smooth transitions */
.btn, .nav-link, .card {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}