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

:root {
    --bg-color: #0a0a0f;
    --card-bg: #020204d6;
    --primary: #6a96ff;
    --secondary: #6a3ad9;
    --text-main: #e0e0e0;
    /* --text-muted: #888; */
    --text-muted: white;
    --border-color: rgba(100, 150, 255, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    background-image:
        linear-gradient(rgba(100, 150, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100, 150, 255, 0.1) 1px, transparent 1px),
        linear-gradient(rgba(100, 150, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100, 150, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px, 50px 50px, 10px 10px, 10px 10px;
    /* background-position: 0 0, 0 0, 0 0, 0 0; */
    color: var(--text-main);
    line-height: 1.6;
    /* background-attachment: fixed; */
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 32px;
}

.nav-btn {
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, #3a5fc8 0%, #6a3ad9 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-btn:hover {
    box-shadow: 0 4px 12px rgba(58, 95, 200, 0.4);
}

main {
    max-width: 1000px;
    margin: 0 auto;
    /* padding: 4rem 2rem; */
}

.hero {
    text-align: center;
    /* margin-bottom: 6rem; */
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    margin-top: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #6a96ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.supported-coins {
    text-align: center;
    margin-bottom: 3rem;
}

.supported-coins h2 {
    font-size: 2rem;
    margin-bottom: 2.5rem;
    color: var(--primary);
}

.coin-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin: 0 auto;
}

.coin-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    border-radius: 16px;
    flex: 1 1 160px;
    min-width: 150px;
    max-width: 180px;
}

.coin-item:hover {
    border-color: var(--secondary);
}

.coin-item img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.coin-item span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
}

.features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
    margin-left: 1rem;
    margin-right: 1rem;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    border-radius: 16px;
}

.feature-card:hover {
    border-color: var(--primary);
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.feature-card h3 .btn-inline {
    margin-left: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

.feature-card a {
    color: var(--primary);
    text-decoration: none;
}

.feature-card a:hover {
    text-decoration: underline;
}

.btn-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.6rem;
    background: linear-gradient(135deg, #3a5fc8 0%, #6a3ad9 100%);
    color: #fff !important;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.85rem;
    vertical-align: middle;
    transition: box-shadow 0.2s;
    margin-bottom: 3px;
}

.btn-inline:hover {
    box-shadow: 0 2px 8px rgba(58, 95, 200, 0.4);
    text-decoration: none !important;
}

.btn-inline img {
    width: 14px;
    height: 14px;
}

.tech-stack {
    text-align: center;
    margin-bottom: 2rem;
}

.tech-stack h2 {
    margin-bottom: 2rem;
    color: var(--primary);
}

.tech-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.tech-item {
    background: rgba(106, 150, 255, 0.05);
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

footer {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* @media (max-width: 768px) { */
    /* .hero h1 { */
        /* font-size: 2.5rem; */
    /* } */
    
    /* main { */
        /* padding: 2rem 1rem; */
    /* } */
    
    /* header { */
        /* padding: 1rem; */
    /* } */
/* } */