:root {
    /* Modern Dark Theme Palette */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --primary-accent: #06b6d4;
    /* Cyan */
    --secondary-accent: #3b82f6;
    /* Blue */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-highlight: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* --- Ambient Background --- */
.app-wrapper {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ambient-light {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: 0;
    animation: float 20s infinite alternate ease-in-out;
}

.light-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: var(--primary-accent);
    animation-delay: 0s;
}

.light-2 {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: var(--secondary-accent);
    animation-delay: -5s;
}

.light-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: #8b5cf6;
    /* Purple accent */
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(50px, 50px) scale(1.1);
    }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.05;
    z-index: 0;
    pointer-events: none;
}

/* --- Layout --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* --- Header --- */
.glass-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
}

.glass-header.scrolled {
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.brand {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
}

.brand-invoice {
    color: var(--text-main);
}

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

.website-url {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.website-url:hover {
    color: var(--primary-accent);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    padding-top: 8rem;
    /* Space for fixed header */
    padding-bottom: 4rem;
}

.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

/* Hero Text */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--primary-accent);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-accent);
}

.hero-headline {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

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

.hero-subtext {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pill {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-size: 1.2rem;
    color: var(--text-main);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.pill:hover {
    border-color: var(--primary-accent);
    background: rgba(6, 182, 212, 0.1);
}

/* Hero Visual (Glass Card) */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

.glass-card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-top: 1px solid var(--glass-highlight);
    border-radius: 24px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform-style: preserve-3d;
    transition: transform 0.1s ease;
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.card-header {
    text-align: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 2rem;
}

.card-header h2 {
    font-size: 1.5rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.price-block {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.currency {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-muted);
}

.amount {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-main);
}

.check-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-accent);
    flex-shrink: 0;
}

.cta-button {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

/* --- Footer --- */
.glass-footer {
    border-top: 1px solid var(--glass-border);
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(10px);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.qr-wrapper {
    background: white;
    padding: 0.75rem;
    border-radius: 12px;
}

.qr-code {
    display: block;
    width: 150px;
    height: 150px;
}

.footer-link {
    color: var(--text-main);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.phones {
    display: flex;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.separator {
    color: var(--glass-border);
}

.footer-right {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
    text-align: center;
}

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

/* --- Responsive --- */
@media (max-width: 968px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-headline {
        font-size: 3.5rem;
    }

    .hero-subtext {
        margin: 0 auto 2.5rem;
    }

    .feature-pills {
        justify-content: center;
    }

    .footer-left {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2.5rem;
    }

    .amount {
        font-size: 3.5rem;
    }

    .glass-card {
        padding: 2rem;
    }
}