/* Google Material Theme Variables */
:root {
    --primary-color: #1a73e8;
    --primary-hover: #1557b0;
    --background-color: #ffffff;
    --surface-color: #f8f9fa;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --border-color: #dadce0;
    --card-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --card-hover-shadow: 0 1px 3px 0 rgba(60, 64, 67, 0.3), 0 4px 8px 3px rgba(60, 64, 67, 0.15);
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.app-header {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
}

.header-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--primary-color);
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-item {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 400px;
    background-image: url('hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 20px;
    animation: fadeIn 1s ease-out;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 400;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 20px;
    font-weight: 300;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Market Section */
.market-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.coin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

/* Coin Card */
.coin-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.coin-card:hover {
    box-shadow: var(--card-hover-shadow);
    transform: translateY(-2px);
    border-color: transparent;
}

.coin-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 700;
}

.coin-name {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.lobstr-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(26, 115, 232, 0.3);
}

.lobstr-btn:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 2px 4px rgba(26, 115, 232, 0.4);
    transform: translateY(-1px);
}

.lobstr-icon {
    font-size: 16px;
}

/* News Section */
.news-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px;
    background-color: var(--surface-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.news-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: box-shadow 0.3s ease;
}

.news-card:hover {
    box-shadow: var(--card-hover-shadow);
}

.news-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-color);
    background: rgba(26, 115, 232, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.news-content h3 {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.read-more {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.read-more:hover {
    text-decoration: underline;
}

/* About Section */
.about-section {
    padding: 80px 24px;
    background-color: white;
    border-top: 1px solid var(--border-color);
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.about-text p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 48px;
    border-top: 1px solid var(--border-color);
    padding-top: 48px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 300;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Footer */
.app-footer {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 32px 24px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
    }
}