:root {
    /* Color Palette */
    --bg-dark: #0a0a0c;
    --bg-panel: rgba(255, 255, 255, 0.03);
    --bg-panel-hover: rgba(255, 255, 255, 0.07);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --primary: #7000FF;      /* Vibrant Purple */
    --primary-hover: #8B33FF;
    --secondary: #1a1a24;
    --secondary-hover: #2a2a35;
    
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    --accent-red: #ff5f56;
    --accent-yellow: #ffbd2e;
    --accent-green: #27c93f;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Effects */
    --shadow-glow: 0 0 40px rgba(112, 0, 255, 0.3);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Background Gradients (Abstract) */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(112, 0, 255, 0.15) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}
body::after {
    content: '';
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 150, 255, 0.1) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    text-align: center;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px rgba(112, 0, 255, 0.3);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(112, 0, 255, 0.4);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 12px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    transition: var(--transition-smooth);
    padding: 1.5rem 0;
}

header.scrolled {
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: white;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(112, 0, 255, 0.1);
    color: #a766ff;
    border: 1px solid rgba(112, 0, 255, 0.2);
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

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

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

/* Mockup UI */
.mockup-window {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-smooth);
}

.mockup-window:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.mockup-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}
.dot.red { background: var(--accent-red); }
.dot.yellow { background: var(--accent-yellow); }
.dot.green { background: var(--accent-green); }

.mockup-title {
    margin-left: 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
}

.mockup-body {
    padding: 2rem;
    background: #ffffff03;
}

.ai-prompt-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    min-height: 120px;
    margin-bottom: 1rem;
}

.ai-hint {
    color: #6b7280;
    font-size: 0.9rem;
}

.mockup-btn {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

/* Global Section Padding */
.section-padding {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--bg-panel-hover);
    border-color: rgba(112, 0, 255, 0.3);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

/* UI Highlight (Slider) */
.ui-highlight-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.portion-mockup {
    padding: 2rem;
    position: relative;
}

.mockup-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: #a766ff;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.slider-track {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    position: relative;
    margin-bottom: 1.5rem;
}

.slider-track::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--track-fill, 50%);
    background: var(--primary);
    border-radius: 3px;
}

.slider-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px rgba(112, 0, 255, 0.5);
    cursor: pointer;
}

.preset-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.preset {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
}

.preset.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.macros-display {
    display: flex;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
}

.macro {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.macro-val {
    font-size: 1.5rem;
    font-weight: 700;
}

.macro:first-child .macro-val {
    color: var(--accent-red);
}

.macro-lbl {
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

.check-list li {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
}

.pricing-card.premium {
    background: linear-gradient(180deg, rgba(112, 0, 255, 0.1) 0%, var(--bg-panel) 100%);
    border-color: rgba(112, 0, 255, 0.3);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

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

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

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

.pricing-desc {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    margin-bottom: 1rem;
    color: var(--text-main);
}

/* Bottom CTA */
.cta-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-10px);}
    60% {transform: translateY(-5px);}
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    background: #050505;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 250px;
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.link-column h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.link-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition-fast);
}

.link-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Media Queries */
@media (max-width: 768px) {
    .hero-container, .ui-highlight-container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero {
        padding-top: 8rem;
    }
    
    .footer-container {
        flex-direction: column;
        gap: 2rem;
    }
}