@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500&family=Inter:wght@200;300;400;500;600&display=swap');

:root {
  --black: #000000;
  --near-black: #06080a;
  --spotlight: rgba(255, 248, 220, 0.95);   /* luz quente: filamento tungstênio */
  --glow-color: rgba(255, 240, 180, 1);
  --rim: rgba(255, 255, 255, 0.06);
  --text-bright: #f8f4e8;
  --text-mid: #8a8070;
  --text-dark: #3a3530;
  --border: rgba(255,255,255,0.05);
  --border-lit: rgba(255,255,255,0.12);
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', sans-serif;
  --max: 760px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text-mid);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* faint floor glow — secondary bounce */
  background-image:
    radial-gradient(ellipse 60% 20% at 50% 100%, rgba(255,240,180,0.02) 0%, transparent 100%);
}

/* ═══ NAVBAR ═══════════════════════════════════════════ */
.navbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; height: 58px;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  text-decoration: none; color: var(--text-bright);
  font-family: var(--mono); font-size: 0.8rem;
  letter-spacing: 0.2em;
  display: flex; align-items: center; gap: 10px;
}
.nav-logo-mark {
  width: 20px; height: auto; color: var(--text-bright); opacity: 0.8;
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  text-decoration: none; color: var(--text-dark);
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.08em; transition: color 0.25s;
}
.nav-links a:hover { color: var(--text-mid); }
.nav-cta {
  color: var(--text-bright) !important;
  border-bottom: 1px solid rgba(255,248,220,0.25) !important;
  padding-bottom: 1px !important;
}
.nav-cta:hover { border-color: rgba(255,248,220,0.7) !important; }

/* ═══ HERO — SPOTLIGHT ══════════════════════════════════ */
.hero {
  position: relative;
  max-width: var(--max); margin: 0 auto;
  padding: 7rem 3rem 5rem;
  overflow: visible;
}

/* O FOCO: Cone de luz vindo do alto-centro — como um spotlight de teatro */
.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  left: 50%; transform: translateX(-50%);
  width: 1px; height: 1px;
  /* Cone cónico com soft edge — simulando um spotlight real */
  box-shadow:
    0 0 0 0 rgba(255,248,220,0),
    0 200px 300px 180px rgba(255,240,180,0.12),
    0 100px 150px 100px rgba(255,245,200,0.08);
  pointer-events: none;
  z-index: 0;
}

/* Segundo cone mais tight — o core quente */
.hero::after {
  content: '';
  position: absolute;
  top: -80px;
  left: 50%; transform: translateX(-50%);
  width: 1px; height: 1px;
  box-shadow:
    0 150px 200px 60px rgba(255,248,220,0.1),
    0 80px 120px 40px rgba(255,250,230,0.06);
  pointer-events: none;
  z-index: 0;
}

.hero-kicker {
  position: relative; z-index: 1;
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-dark);
  margin-bottom: 2rem;
}
.hero-title {
  position: relative; z-index: 1;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 200;
  line-height: 1.1; letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  /* O texto é iluminado pelo cone — gradiente radial simula falloff */
  background: radial-gradient(
    ellipse 80% 100% at 50% 0%,
    var(--text-bright) 0%,
    rgba(248,244,232,0.7) 50%,
    rgba(138,128,112,0.4) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  position: relative; z-index: 1;
  font-size: 0.95rem;
  color: var(--text-dark);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.hero-actions {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 2rem;
}
.hero-btn {
  font-family: var(--mono); font-size: 0.75rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none;
  color: var(--black); background: var(--text-bright);
  padding: 9px 22px; border-radius: 2px;
  transition: box-shadow 0.3s;
  box-shadow: 0 0 20px rgba(255,248,220,0.2);
}
.hero-btn:hover { box-shadow: 0 0 35px rgba(255,248,220,0.4); }
.hero-link {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-dark); text-decoration: none;
  border-bottom: 1px solid var(--border-lit);
  padding-bottom: 1px; transition: color 0.2s;
}
.hero-link:hover { color: var(--text-mid); }

/* ═══ POSTS ════════════════════════════════════════════ */
.posts-section {
  max-width: var(--max); margin: 0 auto;
  padding: 3rem 3rem 8rem;
}
.section-rule {
  display: flex; align-items: center; gap: 1.5rem; margin-bottom: 3rem;
}
.section-rule span {
  font-family: var(--mono); font-size: 0.62rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-dark);
  white-space: nowrap;
}
.section-rule::before, .section-rule::after {
  content: ''; flex: 1; height: 1px; background: var(--border-lit);
}
.posts-grid { display: flex; flex-direction: column; }


.post-card:first-child { border-top: 1px solid var(--border); }
.post-card:hover { opacity: 0.7; }
.card-date {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--text-dark); padding-top: 3px;
  letter-spacing: 0.04em; line-height: 1.6;
}
.card-title {
  font-size: 1.05rem; font-weight: 400;
  color: var(--text-bright); line-height: 1.3; margin-bottom: 0.5rem;
}
.card-excerpt {
  font-size: 0.85rem; color: var(--text-dark); line-height: 1.7;
}
.card-arrow {
  display: inline-block; margin-top: 0.75rem;
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-mid); opacity: 0.5;
}

/* ═══ POST PAGE ════════════════════════════════════════ */
.post-page {
  max-width: var(--max); margin: 0 auto; padding: 5rem 3rem 8rem;
}
.post-header { margin-bottom: 3.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--border); }
.post-meta {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem;
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-dark);
}
.post-sep { color: var(--border-lit); }
.post-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 200;
  line-height: 1.15; letter-spacing: -0.02em;
  background: radial-gradient(ellipse 80% 80% at 30% 20%, var(--text-bright) 0%, rgba(138,128,112,0.6) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 1rem;
}
.post-excerpt { font-size: 0.95rem; color: var(--text-mid); font-style: italic; }
.post-content h2 {
  font-size: 1.2rem; font-weight: 400; color: var(--text-bright);
  margin: 3rem 0 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem;
}
.post-content h3 {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-dark); margin: 2.5rem 0 0.75rem;
}
.post-content p { color: var(--text-mid); margin-bottom: 1.5rem; line-height: 1.85; }
.post-content a { color: var(--text-bright); opacity: 0.7; }
.post-content a:hover { opacity: 1; }
.post-content pre {
  background: var(--near-black); border: 1px solid var(--border);
  border-radius: 2px; padding: 1.5rem; overflow-x: auto; margin: 2rem 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}
.post-content code { font-family: var(--mono); font-size: 0.83rem; }
.post-content :not(pre) > code {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  padding: 2px 7px; border-radius: 2px; font-size: 0.83em;
  color: rgba(255,248,220,0.7);
}
.post-content blockquote {
  border-left: 1px solid rgba(255,248,220,0.2);
  padding: 0.5rem 1.5rem; margin: 2rem 0;
  color: var(--text-dark); font-style: italic;
}
.post-content ul, .post-content ol {
  padding-left: 1.5rem; margin-bottom: 1.5rem; color: var(--text-mid);
}

/* ═══ BOOK CTA ════════════════════════════════════════ */
.book-cta {
  position: relative; overflow: hidden;
  display: flex; gap: 1.25rem; align-items: flex-start;
  margin-top: 5rem; padding: 2rem 2.25rem;
  background: var(--near-black);
  border: 1px solid var(--border);
  border-radius: 2px;
}
/* mini spotlight no CTA */
.book-cta::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 1px; height: 1px;
  box-shadow: 0 80px 120px 60px rgba(255,240,180,0.06);
  pointer-events: none;
}
.book-cta::after {
  content: '';
  position: absolute; top: 0; left: 15%; right: 15%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,248,220,0.1), transparent);
}
.cta-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.cta-label {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: rgba(255,248,220,0.4); margin-bottom: 0.5rem;
}
.cta-text { font-size: 0.88rem; color: var(--text-dark); margin-bottom: 1.25rem; line-height: 1.7; }
.cta-buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex; text-decoration: none;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em;
  padding: 8px 16px; border-radius: 2px;
  color: var(--black); background: var(--text-bright);
  transition: box-shadow 0.25s;
  box-shadow: 0 0 12px rgba(255,248,220,0.1);
}
.cta-btn:hover { box-shadow: 0 0 24px rgba(255,248,220,0.25); }
.cta-btn-2 {
  background: transparent !important; color: var(--text-dark) !important;
  border: 1px solid var(--border-lit) !important; box-shadow: none !important;
}
.cta-btn-2:hover { color: var(--text-mid) !important; box-shadow: none !important; }

/* ═══ FOOTER ═══════════════════════════════════════════ */
.footer {
  margin-top: auto; border-top: 1px solid var(--border);
  padding: 2.5rem; display: flex; flex-direction: column;
  align-items: center; gap: 0.5rem; text-align: center;
}
.footer-mark { width: 18px; height: auto; color: var(--text-bright); opacity: 0.15; margin-bottom: 0.5rem; }
.footer p { font-family: var(--mono); font-size: 0.68rem; color: var(--text-dark); letter-spacing: 0.04em; }
.footer a { color: var(--text-dark); text-decoration: none; }
.footer a:hover { color: var(--text-mid); }

/* ═══ RESPONSIVE ═══════════════════════════════════════ */
@media (max-width: 600px) {
  .navbar { padding: 0 1.25rem; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero, .posts-section, .post-page { padding-left: 1.25rem; padding-right: 1.25rem; }
  
  .card-date { padding-top: 0; }
}

/* Fix duplicated titles generated by AI markdown */
.post-excerpt { display: none; }
.post-content h1:first-of-type, .post-content h2:first-of-type { display: none !important; }
.post-excerpt { display: none !important; }

/* Thumbnail Layout */
.post-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  padding: 2rem;
  text-decoration: none;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}
.post-card:hover { background: var(--surface2); }
.card-content { display: flex; flex-direction: column; justify-content: center; }

/* CSS Procedural Backgrounds (Ideia 3) */
.card-thumb {
  width: 140px; height: 140px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255,255,255,0.05);
}
.proc-bg-0 { background: radial-gradient(circle at top left, #161b22, #080c10); }
.proc-bg-1 { background: linear-gradient(135deg, #0d1117 0%, #1a1e24 100%); }
.proc-bg-2 { background: conic-gradient(from 180deg at 50% 50%, #0d1117, #161b22, #0d1117); }

/* SVG Minimalista (Ideia 1) */
.card-thumb svg {
  width: 60%; height: 60%;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 2;
  transition: stroke 0.3s, transform 0.3s;
  opacity: 0.8;
}
.post-card:hover .card-thumb svg {
  stroke: var(--accent);
  transform: scale(1.1);
  filter: drop-shadow(0 0 8px rgba(88,166,255,0.4));
}
.thumb-placeholder { font-family: var(--font-mono); color: var(--text-subtle); letter-spacing: 2px; }

@media (max-width: 600px) {
  .post-card { grid-template-columns: 1fr; padding: 1.5rem; gap: 1rem; }
  .card-thumb { width: 100%; height: 160px; }
}

.card-thumb img.thumb-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s, opacity 0.3s;
  opacity: 0.9;
}
.post-card:hover .card-thumb img.thumb-img {
  transform: scale(1.05);
  opacity: 1;
}

/* ═══ REDESIGN PREMIUM (Adições) ═════════════════════════════════ */

/* Fade Up Animation */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

/* Header Centralizado e Glow */
.post-header {
  text-align: center;
  position: relative;
}
.post-meta { justify-content: center; }
.post-title {
  text-shadow: 0 0 40px rgba(255, 248, 220, 0.15);
}

/* Imagens Premium */
.post-content img {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: 100%;
  margin: 2rem auto;
  display: block;
}

/* Code Blocks Premium */
.post-content pre {
  border-radius: 6px;
  background: rgba(6, 8, 10, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.post-content pre:hover {
  border-color: rgba(255, 248, 220, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 15px rgba(255, 248, 220, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Glassmorphic CTA */
.glassmorphic-cta {
  background: rgba(10, 12, 15, 0.4) !important;
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border: 1px solid rgba(255, 248, 220, 0.1) !important;
  border-radius: 12px !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.glassmorphic-cta:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 248, 220, 0.2) !important;
}
.cta-glow {
  position: absolute;
  top: -50px; left: -50px; right: -50px; bottom: -50px;
  background: radial-gradient(circle at center, rgba(255, 248, 220, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.cta-body { position: relative; z-index: 1; }
.cta-icon { position: relative; z-index: 1; filter: drop-shadow(0 0 10px rgba(255, 248, 220, 0.2)); }

.glow-btn {
  position: relative;
  overflow: hidden;
}
.glow-btn::before {
  content: '';
  position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}
.glow-btn:hover::before { left: 150%; }