:root {
    /* Color Palette */
    --bg-dark: #0a0a0c;
    --bg-card: #141417;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    
    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
    
    /* Spacing & Borders */
    --container-width: 1200px;
    --radius-lg: 24px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

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

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

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a:not(.btn):hover {
    color: var(--accent-primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.btn-large {
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

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

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--text-muted);
}

.btn-white {
    background: var(--white);
    color: var(--bg-dark);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Hero */
.hero {
    padding-top: 180px;
    padding-bottom: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero.centered .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 550px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-visual {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    padding: 8px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    box-shadow: 0 30px 60px -10px rgba(0,0,0,0.4);
    transition: var(--transition);
}

.image-wrapper:hover {
    border-color: var(--accent-primary);
}

#app-preview {
    border-radius: calc(var(--radius-lg) - 10px);
}

.glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

/* Features */
.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.2rem;
}

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

.feature-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.02);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

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

/* How it Works */
.how-it-works {
    padding: 100px 0;
    border-top: 1px solid var(--glass-border);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    text-align: center;
    position: relative;
}

.step-num {
    font-size: 4rem;
    font-weight: 800;
    opacity: 0.1;
    margin-bottom: -20px;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.step h4 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

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

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

/* Pricing */
.pricing {
    padding: 100px 0;
}

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

.pricing-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--accent-primary);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.1);
}

.tier {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.payment-model {
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tier-features {
    flex-grow: 1;
    margin-bottom: 30px;
}

.tier-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.tier-features i {
    color: var(--accent-primary);
    width: 18px;
}

.note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    font-style: italic;
}

/* Showcase */
.showcase {
    padding: 100px 0;
}

.showcase-content {
    display: flex;
    justify-content: center;
    text-align: center;
    background: var(--bg-card);
    padding: 80px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.showcase-content.centered .check-list {
    justify-content: center;
    margin-top: 30px;
}

.showcase-content.centered .check-list li {
    justify-content: center;
}

.showcase-text h2 {
    font-size: 3rem;
    margin-bottom: 24px;
    line-height: 1.2;
}

.showcase-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.check-list {
    display: grid;
    gap: 16px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
}

.check-list i {
    color: var(--accent-primary);
}

/* Showcase Image */
.image-mockup {
    background: var(--bg-dark);
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    transition: var(--transition);
}

.image-mockup:hover {
    transform: scale(1.02);
}

.image-mockup img {
    border-radius: calc(var(--radius-md) - 4px);
}

/* Contact Form */
.contact {
    padding: 100px 0;
}

.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 0, 0, 0.3);
}

/* CTA */
.cta-section {
    padding: 100px 0;
}

.cta-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 60px 40px;
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.cta-card h2 {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-card .meta {
    margin-top: 24px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 24px;
}

.footer-links ul {
    display: grid;
    gap: 12px;
}

.footer-links a {
    color: var(--text-muted);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.socials {
    display: flex;
    gap: 20px;
}

.socials a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 140px;
    }
    
    .hero p {
        margin: 0 auto 40px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .cta-card h2 {
        font-size: 2.5rem;
    }
}