/* Color Palette & Themes */
:root {
    --font-main: 'Prompt', sans-serif;

    /* Light Theme Variables */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.85);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;

    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.15);
    --accent: #06b6d4;
    --success: #10b981;
    --danger: #ef4444;

    --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05);
    --gradient-text: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --hero-glow: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
}

[data-theme="dark"] {
    /* Dark Theme Variables */
    --bg-main: #0b0f19;
    --bg-card: #151c2c;
    --bg-nav: rgba(11, 15, 25, 0.85);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #1e293b;

    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-glow: rgba(59, 130, 246, 0.25);
    --accent: #22d3ee;

    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --gradient-text: linear-gradient(135deg, #60a5fa 0%, #22d3ee 100%);
    --hero-glow: radial-gradient(circle, rgba(59, 130, 246, 0.18) 0%, rgba(11, 15, 25, 0) 70%);
}

/* Reset & Base Setup */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Ticker Bar */
.market-ticker {
    background: #070a12;
    color: #94a3b8;
    font-size: 0.8rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    white-space: nowrap;
}

.ticker-track {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
}

.ticker-item .symbol {
    color: #f8fafc;
    font-weight: 600;
}

.ticker-item .price.up {
    color: var(--success);
}

.ticker-item .price.down {
    color: var(--danger);
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-nav);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

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

.theme-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.theme-btn:hover {
    border-color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 0 4rem;
    text-align: center;
}

.hero-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: var(--hero-glow);
    z-index: -1;
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-glow);
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1.2rem;
}

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

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 2rem;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Sections */
.section {
    padding: 4rem 0;
}

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

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.view-all {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Cards Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.card-image-placeholder {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
    padding: 1rem;
}

.art-1 {
    background: linear-gradient(135deg, #1e293b, #3b82f6);
}

.art-2 {
    background: linear-gradient(135deg, #0f172a, #06b6d4);
}

.art-3 {
    background: linear-gradient(135deg, #18181b, #8b5cf6);
}

.tag {
    background: rgba(15, 23, 42, 0.75);
    color: #ffffff;
    backdrop-filter: blur(4px);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tag-accent {
    border: 1px solid var(--accent);
}

.tag-purple {
    border: 1px solid #a855f7;
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.card-body h3 {
    font-size: 1.2rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.card-body p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

/* News Section */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.news-item:hover {
    border-color: var(--primary);
}

.news-date {
    background: var(--primary-glow);
    color: var(--primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
    min-width: 65px;
}

.news-date .day {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1;
}

.news-date .month {
    font-size: 0.75rem;
}

.news-content {
    flex-grow: 1;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    margin-bottom: 0.4rem;
}

.badge-warning {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.badge-info {
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
}

.news-content h3 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.news-content p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.btn-icon {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.footer-disclaimer h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-disclaimer p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .nav-menu {
        display: none;
    }

    .news-item {
        flex-direction: column;
        align-items: flex-start;
    }
}