:root {
    --bg-dark: #050505;
    --card-bg: rgba(20, 20, 20, 0.7);
    --accent-primary: #8b5cf6; /* Vibrant Purple */
    --accent-secondary: #d946ef; /* Magenta */
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glow-color: rgba(139, 92, 246, 0.5);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Outfit:wght@600;800;900&display=swap');

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

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

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

/* GRADIENT BACKGROUND MESH */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.bg-glow::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    opacity: 0.3;
}

/* TYPOGRAPHY */
h1, h2, h3 {
    font-family: var(--font-heading);
    letter-spacing: -0.03em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 2.5rem;
    border-radius: 100px;
    font-size: 1.1rem;
    font-weight: 800;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 20px 40px -10px rgba(139, 92, 246, 0.5);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -12px rgba(139, 92, 246, 0.6);
}

/* GLASS CARD */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
}

/* SECTIONS */
section {
    padding: 8rem 0;
}

/* HERO */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 4rem;
}

.hero .badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
    display: inline-block;
    color: var(--accent-primary);
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-image {
    margin-top: 4rem;
    position: relative;
    z-index: 10;
}

.hero-image img {
    width: 100%;
    max-width: 900px;
    border-radius: 30px;
    box-shadow: 0 50px 100px -20px rgba(0,0,0,0.8);
    transition: var(--transition);
}

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

/* PROBLEM GRID */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.problem-card {
    transition: var(--transition);
}

.problem-card:hover {
    transform: translateY(-10px);
    background: rgba(40, 40, 40, 0.4);
}

.problem-card h3 {
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

/* THE STACK / OFFER */
.offer-section {
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a0a 100%);
}

.offer-container {
    max-width: 900px;
    margin: 0 auto;
}

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

.offer-list li {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.offer-list li strong {
    font-size: 1.2rem;
}

.price-tag {
    text-align: center;
    margin-top: 3rem;
}

.price-tag .old {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 1.5rem;
    margin-right: 1rem;
}

.price-tag .new {
    font-size: 4rem;
    font-weight: 900;
    font-family: var(--font-heading);
}

/* ANIMATIONS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 992px) {
    .grid-3 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 3rem; }
    section { padding: 4rem 0; }
}