:root {
    --bg: #0f172a;
    --bg-alt: #020617;
    --card-bg: #020617;
    --accent: #f97316;
    --accent-soft: rgba(249, 115, 22, 0.1);
    --text: #e5e7eb;
    --muted: #9ca3af;
    --border: #1e293b;
    --radius: 14px;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: radial-gradient(circle at top, #1e293b 0, #020617 45%, #020617 100%);
    color: var(--text);
}

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

a:hover {
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */

.site-header {
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.65));
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.04em;
    color: #f9fafb;
}

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

.main-nav a {
    margin-left: 18px;
    font-size: 0.95rem;
    color: var(--muted);
}

.main-nav a:hover {
    color: var(--accent);
}

/* Main */

.site-main .container {
    padding: 24px 16px 40px;
}

/* Hero */

.hero {
    padding: 24px 0 16px;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.hero p {
    color: var(--muted);
    max-width: 520px;
}

/* Post list */

.post-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 12px;
}

.post-card {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 16px;
    padding: 10px;
    border-radius: var(--radius);
    background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.02), rgba(15, 23, 42, 0.98));
    border: 1px solid rgba(148, 163, 184, 0.26);
}

.post-card img {
    width: 100%;
    border-radius: calc(var(--radius) - 4px);
    height: 100%;
    object-fit: cover;
}

.post-card-content {
    display: flex;
    flex-direction: column;
}

.post-meta {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 6px;
}

.post-card h2 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.post-card p {
    margin: 0 0 10px;
    color: #cbd5f5;
    font-size: 0.92rem;
}

.post-link {
    margin-top: auto;
    font-size: 0.9rem;
}

/* Tags */

.post-tags {
    margin: 8px 0 12px;
}

.tag {
    display: inline-block;
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 6px;
    text-decoration: none;
}

.tag:hover {
    background: rgba(249, 115, 22, 0.25);
}

/* Single post */

.single-post {
    max-width: 720px;
    margin: 0 auto 32px;
    padding: 18px 18px 22px;
    border-radius: var(--radius);
    background: radial-gradient(circle at top left, rgba(248, 250, 252, 0.02), rgba(15, 23, 42, 0.98));
    border: 1px solid rgba(148, 163, 184, 0.26);
}

.single-post header {
    margin-bottom: 12px;
}

.single-post h1 {
    margin: 6px 0 8px;
    font-size: 1.4rem;
}

.single-post-thumb {
    width: 100%;
    border-radius: calc(var(--radius) - 4px);
    margin: 4px 0 12px;
}

.single-post-content p {
    line-height: 1.6;
    margin: 0 0 10px;
    color: #e5e7eb;
    font-size: 0.96rem;
}

.single-post-content h2 {
    font-size: 1.1rem;
    margin: 14px 0 6px;
}

.single-post-content ul {
    padding-left: 18px;
    margin: 0 0 10px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin: 6px 0 12px;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 8px 10px;
}

.comparison-table th {
    background: rgba(15, 23, 42, 0.9);
}

/* CTA */

.cta-box {
    margin: 14px 0 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--accent-soft);
    border: 1px solid rgba(248, 113, 22, 0.5);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: #0b1120;
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 4px;
}

.btn-primary:hover {
    text-decoration: none;
    filter: brightness(1.05);
}

/* About */

.about {
    margin-top: 28px;
    max-width: 720px;
}

.about h2 {
    margin-bottom: 8px;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(15, 23, 42, 0.95);
    padding: 18px 0;
    margin-top: 8px;
    font-size: 0.85rem;
}

.site-footer p {
    margin: 3px 0;
    color: var(--muted);
}

.site-footer .disclaimer {
    font-size: 0.78rem;
}

/* Responsivo */

@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .main-nav a {
        margin-left: 0;
        margin-right: 14px;
    }

    .post-card {
        grid-template-columns: 1fr;
    }
}