*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg:           #050A14;
--surface:      #0B1220;
--surface2:     #111B2E;
--border:       rgba(255,255,255,0.07);
--text:         #C8D6E8;
--text-dim:     #6B7E96;
--text-bright:  #EBF2FF;
--accent:       #4A90E2;
--glow:         rgba(74,144,226,0.25);
--font-display: 'Cormorant Garamond', Georgia, serif;
--font-body:    'DM Sans', system-ui, sans-serif;
--font-mono:    'DM Mono', monospace;
--radius:       16px;
--radius-sm:    10px;
--transition:   0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }

/* ── Scrollbars invisíveis (rolagem mantida) ── */
* {
  scrollbar-width: none;        /* Firefox */
  -ms-overflow-style: none;     /* IE / Edge legado */
}
*::-webkit-scrollbar {
  display: none;                /* Chrome, Safari, Opera */
}
body {
background: var(--bg);
color: var(--text);
font-family: var(--font-body);
font-weight: 300;
font-size: 15px;
line-height: 1.65;
min-height: 100vh;
overflow-x: hidden;
}
body::before {
content: '';
position: fixed;
inset: 0;
background:
radial-gradient(ellipse 80% 60% at 20% 10%, rgba(74,144,226,0.07) 0%, transparent 60%),
radial-gradient(ellipse 60% 80% at 80% 90%, rgba(155,89,182,0.05) 0%, transparent 60%),
radial-gradient(ellipse 40% 40% at 50% 50%, rgba(46,204,113,0.03) 0%, transparent 70%);
pointer-events: none;
z-index: 0;
animation: nebula 20s ease-in-out infinite alternate;
}
@keyframes nebula {
0%   { opacity: 0.6; transform: scale(1);    }
100% { opacity: 1.0; transform: scale(1.05); }
}
#stars-canvas {
position: fixed;
inset: 0;
z-index: 0;
pointer-events: none;
opacity: 0.4;
}
.page-wrap {
position: relative;
z-index: 1;
max-width: 860px;
margin: 0 auto;
padding: 0 24px;
}
.site-nav {
display: flex;
align-items: center;
justify-content: space-between;
padding: 28px 0 0;
gap: 16px;
}
.nav-logo {
font-family: var(--font-display);
font-size: 1.8rem;
font-weight: 300;
color: var(--text-bright);
text-decoration: none;
letter-spacing: -0.02em;
line-height: 1;
transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 0.75; }
.nav-links {
display: flex;
align-items: center;
gap: 24px;
list-style: none;
}
.nav-links a {
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--text-dim);
text-decoration: none;
transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-bright); }
.nav-badge {
font-size: 10px;
padding: 3px 8px;
border: 1px solid var(--border);
border-radius: 99px;
color: var(--accent);
border-color: rgba(74,144,226,0.3);
}
.blog-header {
padding: 56px 0 40px;
text-align: center;
}
.blog-header .science-badge {
display: inline-flex;
align-items: center;
gap: 6px;
margin-bottom: 20px;
padding: 6px 16px;
border: 1px solid var(--border);
border-radius: 99px;
font-size: 11px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--text-dim);
backdrop-filter: blur(8px);
}
.blog-header .science-badge::before {
content: '◈';
color: var(--accent);
font-size: 10px;
}
.blog-title {
font-family: var(--font-display);
font-size: clamp(2.8rem, 7vw, 4.5rem);
font-weight: 300;
color: var(--text-bright);
line-height: 1.05;
letter-spacing: -0.02em;
margin-bottom: 16px;
}
.blog-subtitle {
color: var(--text-dim);
font-size: 14px;
max-width: 480px;
margin: 0 auto;
line-height: 1.7;
}
.posts-section {
padding-bottom: 80px;
}
.posts-label {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.25em;
text-transform: uppercase;
color: var(--text-dim);
margin-bottom: 24px;
display: flex;
align-items: center;
gap: 12px;
}
.posts-label::after {
content: '';
flex: 1;
height: 1px;
background: var(--border);
}
.posts-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 20px;
}
.post-card {
display: block;
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 28px 24px 24px;
text-decoration: none;
color: inherit;
position: relative;
overflow: hidden;
transition: var(--transition);
transition-property: transform, border-color, box-shadow;
}
.post-card::before {
content: '';
position: absolute;
inset: 0;
background: linear-gradient(135deg, rgba(74,144,226,0.06) 0%, transparent 60%);
opacity: 0;
transition: opacity var(--transition);
border-radius: inherit;
}
.post-card:hover {
transform: translateY(-4px);
border-color: rgba(74,144,226,0.35);
box-shadow: 0 20px 60px -10px rgba(74,144,226,0.15), 0 0 0 1px rgba(74,144,226,0.2);
}
.post-card:hover::before { opacity: 1; }
.post-card.featured {
grid-column: 1 / -1;
display: grid;
grid-template-columns: 1fr auto;
gap: 0 32px;
align-items: start;
padding: 36px 36px 32px;
}
.post-tag {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.18em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 12px;
display: flex;
align-items: center;
gap: 6px;
}
.post-tag::before {
content: '◈';
font-size: 8px;
}
.post-card.featured .post-tag { grid-column: 1 / -1; }
.post-headline {
font-family: var(--font-display);
font-size: 1.5rem;
font-weight: 400;
color: var(--text-bright);
line-height: 1.2;
margin-bottom: 10px;
}
.post-card.featured .post-headline {
font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.post-excerpt {
font-size: 13px;
color: var(--text-dim);
line-height: 1.65;
margin-bottom: 20px;
}
.post-meta {
display: flex;
align-items: center;
gap: 14px;
font-family: var(--font-mono);
font-size: 10px;
color: var(--text-dim);
letter-spacing: 0.08em;
}
.post-meta-dot { color: var(--border); }
.post-read-more {
display: inline-flex;
align-items: center;
gap: 6px;
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--accent);
text-decoration: none;
transition: gap var(--transition);
}
.post-card:hover .post-read-more { gap: 10px; }
.post-featured-visual {
align-self: center;
font-size: 3.5rem;
opacity: 0.8;
filter: drop-shadow(0 0 16px rgba(74,144,226,0.3));
}
.article-wrap {
max-width: 720px;
margin: 0 auto;
padding: 56px 24px 80px;
position: relative;
z-index: 1;
}
.article-breadcrumb {
display: flex;
align-items: center;
gap: 8px;
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--text-dim);
margin-bottom: 40px;
}
.article-breadcrumb a {
color: var(--text-dim);
text-decoration: none;
transition: color var(--transition);
}
.article-breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); }
.article-tag {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.2em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 14px;
display: flex;
align-items: center;
gap: 6px;
}
.article-tag::before { content: '◈'; font-size: 8px; }
.article-title {
font-family: var(--font-display);
font-size: clamp(2rem, 6vw, 3.4rem);
font-weight: 300;
color: var(--text-bright);
line-height: 1.1;
letter-spacing: -0.02em;
margin-bottom: 20px;
}
.article-lead {
font-size: 16px;
color: var(--text);
line-height: 1.8;
margin-bottom: 28px;
font-style: italic;
font-family: var(--font-display);
font-weight: 300;
border-left: 2px solid var(--accent);
padding-left: 20px;
opacity: 0.9;
}
.article-meta {
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 14px;
font-family: var(--font-mono);
font-size: 10px;
color: var(--text-dim);
letter-spacing: 0.1em;
margin-bottom: 48px;
padding-bottom: 28px;
border-bottom: 1px solid var(--border);
}
.article-meta-dot { color: var(--border); }
.article-body {
font-size: 15px;
line-height: 1.8;
color: var(--text);
}
.article-body h2 {
font-family: var(--font-display);
font-size: clamp(1.4rem, 3.5vw, 1.9rem);
font-weight: 300;
color: var(--text-bright);
margin: 52px 0 16px;
letter-spacing: -0.01em;
line-height: 1.2;
}
.article-body h3 {
font-family: var(--font-display);
font-size: 1.2rem;
font-weight: 400;
color: var(--text-bright);
margin: 36px 0 12px;
}
.article-body p {
margin-bottom: 22px;
color: var(--text);
}
.article-body strong {
color: var(--text-bright);
font-weight: 500;
}
.article-body em {
font-family: var(--font-display);
font-style: italic;
font-size: 1.05em;
color: var(--text-bright);
}
.article-body a {
color: var(--accent);
text-decoration: none;
border-bottom: 1px solid rgba(74,144,226,0.3);
transition: border-color var(--transition);
}
.article-body a:hover { border-color: var(--accent); }
.article-callout {
margin: 36px 0;
padding: 24px 28px;
background: var(--surface);
border: 1px solid var(--border);
border-left: 3px solid var(--accent);
border-radius: var(--radius-sm);
font-size: 14px;
line-height: 1.7;
color: var(--text);
}
.article-callout strong {
display: block;
font-size: 12px;
font-family: var(--font-mono);
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 8px;
}
.freq-table {
width: 100%;
border-collapse: collapse;
margin: 32px 0;
font-size: 13px;
}
.freq-table th {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--text-dim);
text-align: left;
padding: 10px 16px;
border-bottom: 1px solid var(--border);
}
.freq-table td {
padding: 12px 16px;
border-bottom: 1px solid rgba(255,255,255,0.04);
color: var(--text);
vertical-align: top;
}
.freq-table tr:last-child td { border-bottom: none; }
.freq-table tr:hover td { background: rgba(74,144,226,0.04); }
.freq-dot {
display: inline-block;
width: 8px;
height: 8px;
border-radius: 50%;
margin-right: 8px;
vertical-align: middle;
box-shadow: 0 0 6px currentColor;
}
.freq-table td:first-child {
font-family: var(--font-display);
font-size: 1.05rem;
color: var(--text-bright);
white-space: nowrap;
}
.science-note {
margin: 40px 0;
padding: 28px 32px;
background: var(--surface2);
border: 1px solid var(--border);
border-radius: var(--radius);
position: relative;
overflow: hidden;
}
.science-note::before {
content: '';
position: absolute;
inset: 0;
background: radial-gradient(ellipse 60% 60% at 90% 10%, rgba(74,144,226,0.06) 0%, transparent 70%);
pointer-events: none;
}
.science-note-label {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.2em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 10px;
display: flex;
align-items: center;
gap: 6px;
}
.science-note-label::before { content: '🧬'; font-size: 12px; }
.science-note p {
font-size: 13px;
color: var(--text-dim);
line-height: 1.7;
margin: 0;
}
.article-cta {
display: block;
margin: 56px 0 0;
padding: 36px;
background: var(--surface);
border: 1px solid rgba(74,144,226,0.2);
border-radius: var(--radius);
text-align: center;
position: relative;
overflow: hidden;
text-decoration: none;
color: inherit;
}
.article-cta::before {
content: '';
position: absolute;
inset: 0;
background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(74,144,226,0.07) 0%, transparent 70%);
pointer-events: none;
}
.article-cta-icon {
font-size: 2.2rem;
margin-bottom: 12px;
display: block;
filter: drop-shadow(0 0 12px rgba(74,144,226,0.4));
}
.article-cta-title {
font-family: var(--font-display);
font-size: 1.8rem;
font-weight: 300;
color: var(--text-bright);
margin-bottom: 8px;
}
.article-cta-sub {
font-size: 13px;
color: var(--text-dim);
margin-bottom: 24px;
line-height: 1.65;
}
.cta-btn {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 14px 28px;
background: var(--accent);
color: #fff;
border-radius: var(--radius-sm);
font-size: 13px;
font-weight: 500;
letter-spacing: 0.04em;
text-decoration: none;
transition: var(--transition);
transition-property: box-shadow, transform, background;
position: relative;
}
.cta-btn:hover {
background: #5A9FEF;
box-shadow: 0 12px 40px -8px rgba(74,144,226,0.5);
transform: translateY(-2px);
}
.related-section {
margin-top: 72px;
padding-top: 40px;
border-top: 1px solid var(--border);
}
.related-label {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.25em;
text-transform: uppercase;
color: var(--text-dim);
margin-bottom: 24px;
display: flex;
align-items: center;
gap: 12px;
}
.related-label::after {
content: '';
flex: 1;
height: 1px;
background: var(--border);
}
.related-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
gap: 16px;
}
.related-card {
display: block;
background: var(--surface);
border: 1px solid var(--border);
border-radius: var(--radius-sm);
padding: 20px;
text-decoration: none;
transition: var(--transition);
transition-property: border-color, transform;
}
.related-card:hover {
border-color: rgba(74,144,226,0.3);
transform: translateY(-2px);
}
.related-card-tag {
font-family: var(--font-mono);
font-size: 10px;
letter-spacing: 0.12em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 8px;
opacity: 0.7;
}
.related-card-title {
font-family: var(--font-display);
font-size: 1.05rem;
color: var(--text-bright);
line-height: 1.3;
}
footer {
text-align: center;
padding: 32px 0 48px;
font-family: var(--font-mono);
font-size: 11px;
color: var(--text-dim);
letter-spacing: 0.08em;
border-top: 1px solid var(--border);
position: relative;
z-index: 1;
}
@media (max-width: 600px) {
.page-wrap { padding: 0 16px; }
.site-nav { padding: 20px 0 0; }
.nav-logo  { font-size: 1.5rem; }
.nav-links { gap: 14px; }
.nav-links a { font-size: 10px; }
.blog-header { padding: 36px 0 28px; }
.blog-title  { font-size: 2.4rem; }
.posts-grid { grid-template-columns: 1fr; gap: 14px; }
.post-card.featured {
grid-template-columns: 1fr;
padding: 24px 20px 20px;
}
.post-featured-visual { display: none; }
.post-headline { font-size: 1.3rem; }
.article-wrap { padding: 32px 0 60px; }
.article-title { font-size: 2rem; }
.article-lead  { font-size: 14px; padding-left: 14px; }
.article-body h2 { font-size: 1.4rem; margin: 36px 0 12px; }
.science-note { padding: 20px; }
.article-cta  { padding: 24px 20px; }
.freq-table th,
.freq-table td { padding: 8px 10px; }
.related-grid { grid-template-columns: 1fr; }
footer { font-size: 10px; padding: 24px 0 40px; }
}
@media (hover: none) {
.post-card:hover   { transform: none; }
.related-card:hover { transform: none; }
.cta-btn:hover     { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
transition-duration: 0.01ms !important;
}
body::before { animation: none; }
}