/* =========================================================
   RESET + VARIABLES
   ========================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #020617;
  --panel: rgba(255,255,255,0.05);
  --panel-border: rgba(255,255,255,0.10);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --orange: #f97316;
  --green: #22c55e;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   LAYOUT GENERAL
   ========================================================= */
.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(2, 6, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  width: 100%;
  margin: 0;
  padding: 0;
}

.nav-inner {
  width: 100%;
  padding: 0 1.25rem; /* margen interno a izquierda y derecha */
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Marca / logo */
.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.brand img.logo {
  height: 80px;
  max-height: 90px;
  width: auto;
  object-fit: contain;
}

/* Menú */
.menu,
.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: nowrap;
}

.menu a,
.nav-links a {
  color: #cbd5f5;
  font-weight: 500;
}

.menu a:hover,
.nav-links a:hover {
  color: var(--orange);
}

/* =========================================================
   HERO DEL BLOG
   ========================================================= */
.blog-hero {
  padding: 5rem 0 3rem;
  background:
    radial-gradient(circle at 20% 20%, rgba(59,130,246,0.18), transparent 30%),
    radial-gradient(circle at 80% 30%, rgba(139,92,246,0.18), transparent 25%),
    radial-gradient(circle at 50% 80%, rgba(249,115,22,0.12), transparent 25%);
}

.blog-hero h1 {
  margin-bottom: .75rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  background: linear-gradient(90deg, var(--blue), var(--violet), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.blog-hero p {
  color: var(--muted);
  font-size: 1.05rem;
}

/* =========================================================
   LISTADO DEL BLOG
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 4rem;
}

.post-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 1.25rem;
  backdrop-filter: blur(10px);
  transition: transform .2s ease, border-color .2s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.45);
}

.post-card h2 {
  margin: .75rem 0;
  font-size: 1.15rem;
  line-height: 1.3;
}

.post-card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.post-meta {
  color: var(--muted);
  font-size: .92rem;
  margin-bottom: 1rem;
}

.post-badge {
  display: inline-block;
  padding: .35rem .65rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
}

.badge-news {
  background: rgba(59,130,246,0.16);
  color: #bfdbfe;
}

.badge-guide {
  background: rgba(249,115,22,0.16);
  color: #fdba74;
}

.read-more {
  display: inline-block;
  padding: .85rem 1.1rem;
  border-radius: 12px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--blue), var(--violet));
  color: white;
}

/* =========================================================
   PÁGINA INDIVIDUAL DE POST
   ========================================================= */
.post-page {
  padding: 3rem 0 4rem;
}

.post-article {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
}

.post-article h1 {
  margin: .75rem 0;
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.1;
}

.post-content {
  margin-top: 1.5rem;
  color: #dce6f7;
  line-height: 1.8;
}

.post-content h2,
.post-content h3 {
  margin-top: 2rem;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content ul {
  margin: 0 0 1rem 1.25rem;
}

.source-box {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.source-box a {
  color: #bfdbfe;
}

.post-cta {
  margin-top: 2rem;
  padding: 1.5rem;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.post-cta p {
  color: var(--muted);
}

.btn,
.btn-secondary {
  display: inline-block;
  padding: .85rem 1.1rem;
  border-radius: 12px;
  font-weight: 700;
  color: white;
}

.btn-secondary {
  background: linear-gradient(90deg, var(--violet), var(--orange));
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 720px) {
  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: .75rem;
    padding: .75rem 0;
  }

  .brand img.logo {
    height: 40px;
    max-height: 48px;
  }

  .menu,
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: .6rem;
  }

  .blog-hero {
    padding-top: 3rem;
  }
}