:root {
    --bg-dark: #0a0e17;
    --bg-card: rgba(20, 26, 40, 0.6);
    --bg-card-hover: rgba(30, 38, 56, 0.8);
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #8b5cf6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --positive: #10b981;
    --negative: #ef4444;
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    top: -10%; left: -10%;
    width: 500px; height: 500px;
    background: var(--primary);
}

.orb-2 {
    bottom: -20%; right: -10%;
    width: 600px; height: 600px;
    background: var(--secondary);
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Header & Glassmorphism */
.glass-header {
    background: rgba(10, 14, 23, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo-icon {
    color: #fbbf24;
    filter: drop-shadow(0 0 8px rgba(251, 191, 36, 0.6));
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px; left: 0; width: 100%; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Buttons */
button {
    font-family: var(--font-body);
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

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

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

.pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 var(--primary-glow); }
    70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

/* Typography & Layout */
h1, h2, h3 {
    font-family: var(--font-heading);
}

main {
    padding: 0 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
    padding: 4rem 0;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.gradient-text {
    background: linear-gradient(to right, #60a5fa, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

/* Glass Cards & Mock Elements */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, background 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
}

.main-chart-placeholder {
    width: 100%;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.price-large {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-top: 0.5rem;
}

.positive { color: var(--positive); font-size: 1.2rem; margin-left: 1rem; }
.negative { color: var(--negative); font-size: 1.2rem; margin-left: 1rem; }

/* Grid */
.market-overview {
    padding: 4rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-all {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.asset-card {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.asset-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.asset-symbol {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.asset-price-data {
    text-align: right;
}

.asset-price {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 5%;
    margin-top: 4rem;
    background: rgba(10, 14, 23, 0.5);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

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

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

/* New Sections */
.features-section, .news-section, .cta-section {
    padding: 4rem 0;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2));
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    margin: 0 auto 1.5rem auto;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.news-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-date {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.news-title {
    font-size: 1.1rem;
    line-height: 1.4;
    font-weight: 700;
}

.news-excerpt {
    font-size: 0.95rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-subtitle {
        margin: 1.5rem auto;
    }
    .cta-group {
        justify-content: center;
    }
    .nav-links {
        display: none; /* Add mobile menu later */
    }
}