:root {
    --primary: #0052cc;
    --primary-hover: #0747a6;
    --win-color: #0078d4;
    --deb-color: #d70a53;
    --lin-color: #2c3e50;
    --bg-body: #f4f6f9;
    --bg-card: #ffffff;
    --text-main: #172b4d;
    --text-muted: #6b778c;
    --border-color: #dfe1e6;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-stack);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 30px 20px 60px 20px;
}

/* Header */
.hero {
    background: linear-gradient(135deg, #0d3b66 0%, #0052cc 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 14px;
    box-shadow: 0 10px 25px rgba(0, 82, 204, 0.15);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.hero-info h1 {
    margin: 0 0 10px 0;
    font-size: 2.2rem;
    letter-spacing: -0.5px;
}

.hero-info p {
    margin: 0;
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 580px;
}

.badge-version {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    backdrop-filter: blur(5px);
    white-space: nowrap;
}

/* Grid de Descargas */
.section-title {
    font-size: 1.3rem;
    margin: 30px 0 15px 0;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.download-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(9, 30, 66, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(9, 30, 66, 0.08);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.card-icon {
    font-size: 2rem;
}

.card-title h3 {
    margin: 0;
    font-size: 1.15rem;
}

.card-title span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-body p {
    margin: 0 0 15px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.btn-action {
    display: inline-block;
    text-align: center;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    color: white;
    transition: opacity 0.2s ease;
}

.btn-action:hover {
    opacity: 0.9;
}

.btn-windows { background-color: var(--win-color); }
.btn-canaima { background-color: var(--deb-color); }
.btn-portable { background-color: var(--lin-color); }

/* Repositorio APT Box */
.apt-info-box {
    background: #ebf3fc;
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 35px;
    font-size: 0.92rem;
}

.apt-info-box code {
    background: #dbe8fa;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: bold;
}

/* Visor Markdown Changelog */
.changelog-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 35px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(9, 30, 66, 0.04);
}

.changelog-card h2 {
    margin-top: 0;
    font-size: 1.4rem;
    border-bottom: 2px solid #ebecf0;
    padding-bottom: 12px;
    color: var(--primary);
}

/* Markdown styling */
.markdown-body {
    font-size: 0.95rem;
}

.markdown-body h2 {
    color: var(--text-main);
    border-bottom: 1px solid #ebecf0;
    padding-bottom: 8px;
    margin-top: 30px;
}

.markdown-body h3 {
    margin-top: 20px;
    color: #253858;
}

.markdown-body ul {
    padding-left: 20px;
}

.markdown-body code {
    background: #f4f5f7;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #bf2600;
}

.markdown-body pre {
    background: #091e42;
    color: #f4f5f7;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.85rem;
}