/* Jammers.ai Design System & Global Styles */

:root {
    /* Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #262626;
    /* Slightly lighter than primary */
    --bg-card: rgb(48, 48, 48);
    --bg-glass: rgba(23, 23, 23, 0.8);

    --text-primary: #E5E5E5;
    --text-secondary: #A3A3A3;
    --text-accent: #FFFFFF;

    --accent-color: #1373E6;
    /* Indigo - Tech/Jazz vibe */
    --accent-glow: rgba(255, 255, 255, 0.5);

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* UI Elements */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Header Height */
    --header-height: 80px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    position: relative;
}

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.75rem;
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    max-width: 65ch;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

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

.text-center {
    text-align: center;
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.visible-hidden {
    opacity: 0;
}

/* Header Styles */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-smooth);
}

.site-header.scrolled {
    background-color: rgba(23, 23, 23, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.header-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Hero Section */
.hero-section {
    padding-top: 180px;
    padding-bottom: var(--spacing-xl);
    text-align: center;
    background: radial-gradient(circle at center top, rgba(42, 42, 42, 0.6) 0%, rgba(23, 23, 23, 0) 100%);
}

.hero-content {
    margin-bottom: var(--spacing-lg);
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subline {
    font-size: 1.25rem;
    margin: 0 auto;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.hero-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--spacing-md);
    position: relative;
}

.hero-visual img {
    width: 100%;
    display: block;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle 300px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    background-color: #2a2a2a;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    filter: grayscale(100%);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Showcase Section */
/* Showcase Slider */
.showcase-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slider-wrapper {
    overflow: hidden;
}

.slider-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 500;
    text-align: center;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
    backdrop-filter: blur(5px);
}

.slider-btn:hover {
    background: rgba(99, 102, 241, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: var(--spacing-sm);
}

.slider-btn.next {
    right: var(--spacing-sm);
}

.slider-dots {
    position: absolute;
    bottom: var(--spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background: var(--accent-color);
    transform: scale(1.2);
}



/* AI Engines Section */
.section-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.engines-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    align-items: center;
}

.engine-logo {
    width: 140px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* filter: grayscale(100%) opacity(0.6); */
    transition: all var(--transition-smooth);
}

.engine-logo:hover {
    /* filter: grayscale(0%) opacity(1); */
    transform: scale(1.1);
}

.engine-logo img {
    max-height: 100%;


    width: auto;
}

/* Jam Modes Section */
.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.mode-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-fast);
}

.mode-card:hover {
    background: var(--bg-card);
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

.mode-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: grayscale(100%);
}

.mode-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
}

.mode-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

.pricing-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-fast);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.popular {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, var(--bg-card) 100%);
    border-color: var(--accent-color);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.1);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pricing-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-xs) 0;
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-features {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.pricing-features li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.pricing-card .btn {
    width: 100%;
}

/* CTA Section */
.cta-box {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle 500px at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--accent-glow) 0%, transparent 100%);
    opacity: 0.4;
    pointer-events: none;
    transition: opacity 0.3s;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer Section */
.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    background-color: #111;
    margin-top: var(--spacing-lg);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-section {
        padding-top: 120px;
    }

    .header-actions {
        display: none;
    }

    /* Simplify header on mobile */
    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
}