:root {
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.5);
    --secondary: #9d50bb;
    --secondary-glow: rgba(157, 80, 187, 0.5);
    --bg-dark: #0a0b10;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(10, 11, 16, 0.8);
    --text: #f0f0f5;
    --text-muted: #a0a0b0;
    --border: rgba(255, 255, 255, 0.1);
    --accent: #ff4d4d;
    --success: #00ff88;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Background Animation */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 20% 30%, rgba(0, 210, 255, 0.05), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(157, 80, 187, 0.05), transparent 40%);
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black, transparent 80%);
    opacity: 0.3;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.9rem;
}

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

.btn-download {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-glow);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero h1 span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 0 40px var(--primary-glow);
    transition: all 0.3s;
}

.btn-outline {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
    border: 1px solid var(--border);
    color: var(--text);
    background: var(--bg-card);
    transition: all 0.3s;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-muted);
}

/* Sections */
section {
    padding: 100px 10%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 2.5rem;
    border-radius: 24px;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px var(--primary-glow);
}

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

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

/* Stats Section */
.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 3rem;
    background: var(--bg-card);
    padding: 4rem;
    border-radius: 32px;
    border: 1px solid var(--border);
}

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

.stat-value {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary);
    display: block;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Strategy Visual */
.strategy-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.strategy-img {
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    height: 400px;
    position: relative;
    overflow: hidden;
}

.chart-mockup {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 2rem;
}

.candlestick-pattern {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 200px;
}

.candle {
    width: 15px;
    border-radius: 2px;
}

.candle.up {
    background: var(--success);
}

.candle.down {
    background: var(--accent);
}

/* FAQ */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 0;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    text-align: left;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-muted);
}

/* Footer */
footer {
    padding: 5rem 10% 2rem;
    border-top: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 3rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3.5rem;
    }

    .strategy-box {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }
}

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

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

.reveal {
    animation: fadeInUp 0.8s ease-out forwards;
}