:root {
    --black: #000000;
    --dark-gray: #1d1d1f;
    --gray: #86868b;
    --light-gray: #f5f5f7;
    --white: #ffffff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    color: var(--black);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 9999;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--black);
    font-size: 21px;
    font-weight: 500;
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: var(--black);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
    margin-right: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 34px;
    align-items: center;
}

.nav-links a {
    color: var(--black);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 1;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--black);
    color: var(--white) !important;
    border-radius: 18px;
    font-size: 12px !important;
    opacity: 1 !important;
    transition: opacity 0.3s;
}

.github-link:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    padding-top: 48px;
    background: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 80px 22px;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.07143;
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--black);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 28px;
    line-height: 1.10722;
    font-weight: 400;
    letter-spacing: .004em;
    color: var(--black);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 21px;
    line-height: 1.38105;
    font-weight: 400;
    letter-spacing: .011em;
    color: var(--gray);
    max-width: 720px;
    margin: 0 auto 44px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 12px 23px;
    font-size: 17px;
    line-height: 1.17648;
    font-weight: 400;
    letter-spacing: -0.022em;
    text-decoration: none;
    border-radius: 980px;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    opacity: 0.8;
}

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

.btn-secondary:hover {
    background: var(--black);
    color: var(--white);
}

/* Installation Box */
.install-box {
    max-width: 680px;
    margin: 44px auto;
    background: var(--light-gray);
    border-radius: 18px;
    padding: 32px;
}

.code-block {
    background: var(--black);
    padding: 20px;
    border-radius: 12px;
    position: relative;
}

.code-block code {
    color: var(--white);
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.42859;
}

.copy-button {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    background: var(--white);
    color: var(--black);
    border: none;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.copy-button:hover {
    opacity: 0.8;
}

/* Features Section */
.features {
    padding: 100px 22px;
    background: var(--light-gray);
}

.container {
    max-width: 980px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -0.003em;
    color: var(--black);
    margin-bottom: 19px;
}

.section-header p {
    font-size: 21px;
    line-height: 1.38105;
    font-weight: 400;
    letter-spacing: .011em;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.feature-card h3 {
    font-size: 21px;
    line-height: 1.19048;
    font-weight: 600;
    letter-spacing: .011em;
    color: var(--black);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 17px;
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    color: var(--gray);
}

/* Commands Section */
.commands {
    padding: 100px 22px;
    background: var(--white);
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.command-card {
    background: var(--light-gray);
    padding: 24px;
    border-radius: 18px;
    transition: transform 0.3s;
}

.command-card:hover {
    transform: translateY(-4px);
}

.command-name {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 17px;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 8px;
}

.command-description {
    font-size: 14px;
    line-height: 1.42859;
    color: var(--gray);
}

/* Footer */
footer {
    background: var(--black);
    padding: 40px 22px;
}

.footer-content {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    font-size: 12px;
    color: var(--white);
}

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

.footer-links a {
    font-size: 12px;
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 21px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .command-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Clean Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--black);
}

a {
    color: var(--black);
    text-decoration: none;
}

a:hover {
    opacity: 0.7;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray);
}

/* Remove all animations for cleaner feel */
* {
    animation: none !important;
    transition: opacity 0.3s, transform 0.3s !important;
}