:root {
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --secondary: #60a5fa;
  --accent: #7c3aed;

  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;

  --background: #f8fafc;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --surface-soft: #eef4ff;
  --surface-dark: #0f172a;

  --gray-100: #f1f5f9;
  --gray-150: #eef2f7;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;

  --border: rgba(148, 163, 184, 0.22);
  --border-strong: rgba(37, 99, 235, 0.2);

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 10px 24px rgba(15, 23, 42, 0.06);
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 28px 72px rgba(15, 23, 42, 0.12);

  --container: 1200px;
  --nav-h: 78px;

  --backdrop-blur: blur(18px);
  --transition-fast: 0.18s ease;
  --transition: 0.28s ease;
}

[data-theme="dark"] {
  --primary: #60a5fa;
  --primary-strong: #3b82f6;
  --secondary: #93c5fd;
  --accent: #a78bfa;

  --text: #f8fafc;
  --text-soft: #cbd5e1;
  --text-muted: #94a3b8;

  --background: #020617;
  --surface: rgba(15, 23, 42, 0.78);
  --surface-strong: rgba(15, 23, 42, 0.92);
  --surface-soft: rgba(30, 41, 59, 0.92);
  --surface-dark: #020617;

  --gray-100: #0f172a;
  --gray-150: #122033;
  --gray-200: #1e293b;
  --gray-300: #334155;
  --gray-400: #475569;
  --gray-500: #94a3b8;
  --gray-700: #cbd5e1;
  --gray-900: #f8fafc;

  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(96, 165, 250, 0.28);

  --shadow-xs: 0 1px 2px rgba(2, 6, 23, 0.25);
  --shadow-sm: 0 12px 28px rgba(2, 6, 23, 0.34);
  --shadow: 0 20px 54px rgba(2, 6, 23, 0.44);
  --shadow-lg: 0 36px 80px rgba(2, 6, 23, 0.52);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  min-height: 100vh;
  padding-top: var(--nav-h);
  font-family: "Inter", sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(37, 99, 235, 0.08), transparent 52%),
    radial-gradient(800px 500px at 100% 0%, rgba(124, 58, 237, 0.08), transparent 48%),
    var(--background);
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

::selection {
  background: rgba(37, 99, 235, 0.18);
  color: inherit;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

p {
  margin: 0 0 1rem;
  color: var(--text-soft);
}

:where(h1, h2, h3, h4, h5, h6) {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

:where(h1, h2, h3, h4, h5, h6, [id]) {
  scroll-margin-top: calc(var(--nav-h) + 18px);
}

:where(input, textarea, select) {
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--text);
  padding: 0.82rem 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

:where(input, textarea, select):focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 1rem;
  z-index: 4000;
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.7rem 1rem;
  box-shadow: var(--shadow-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

.site-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.site-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
  opacity: 0.75;
}

.orb-a {
  width: 360px;
  height: 360px;
  top: -110px;
  left: -90px;
  background: rgba(37, 99, 235, 0.16);
}

.orb-b {
  width: 420px;
  height: 420px;
  top: 14%;
  right: -120px;
  background: rgba(124, 58, 237, 0.12);
}

.orb-c {
  width: 300px;
  height: 300px;
  bottom: -90px;
  left: 14%;
  background: rgba(16, 185, 129, 0.1);
}

.site-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, rgba(0, 0, 0, 0.42), transparent 76%);
}

.site-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 3200;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
  box-shadow: 0 0 18px rgba(37, 99, 235, 0.4);
}

.site-main,
.footer,
.navbar {
  position: relative;
  z-index: 1;
}

/* =======================
   NAVBAR
   ======================= */

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  width: 100%;
  z-index: 2500;
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.navbar.is-scrolled {
  box-shadow: var(--shadow-sm);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
}

.nav-container {
  max-width: var(--container);
  min-height: var(--nav-h);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.logo::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12);
}

.logo .full-logo {
  display: inline;
}

.logo .short-logo {
  display: none;
}

.projects-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex: 0 0 auto;
  min-width: max-content;
  height: 44px;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(241,245,249,0.92));
  color: var(--primary-strong);
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

[data-theme="dark"] .projects-pill {
  background:
    linear-gradient(180deg, rgba(30,41,59,0.95), rgba(15,23,42,0.96));
  color: #dbeafe;
}

.projects-pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  flex: 0 0 8px;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.projects-pill:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.projects-pill.active {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 16px 38px rgba(37, 99, 235, 0.22);
}

.projects-pill.active::before {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.18);
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
  min-width: 0;
}

.nav-link,
.nav-link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.68rem 0.86rem;
  border-radius: 14px;
  color: var(--text-soft);
  font-weight: 600;
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover,
.nav-link.active:not(.nav-cta),
.nav-link-button:hover {
  color: var(--text);
  background: var(--gray-100);
}

.nav-link-button {
  width: 100%;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-cta {
  border-radius: 999px;
  color: #fff !important;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.22);
}

.nav-cta:hover,
.nav-cta.active {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--primary-strong), var(--accent));
}

.mobile-menu-btn {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 14px;
  cursor: pointer;
  color: var(--text);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--gray-100);
  border-color: var(--border);
}

.login-container {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: 0.15rem;
  flex-shrink: 0;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 0.95rem;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.18);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 42px rgba(37, 99, 235, 0.24);
}

.login-btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--gray-200);
  box-shadow: none;
}

.login-btn-secondary:hover {
  background: var(--gray-100);
  box-shadow: none;
}

.desktop-logout-form {
  display: inline-flex;
}

.user-menu {
  position: relative;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--primary);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  border-color: var(--border-strong);
}

.icon-btn svg {
  width: 22px;
  height: 22px;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 0.65rem);
  right: 0;
  min-width: 190px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 95%, transparent);
  backdrop-filter: var(--backdrop-blur);
  box-shadow: var(--shadow);
  padding: 0.5rem;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-menu a,
.dropdown-menu button {
  width: 100%;
  border: none;
  background: transparent;
  display: block;
  text-align: left;
  color: var(--text);
  border-radius: 12px;
  padding: 0.78rem 0.85rem;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu button:hover {
  background: var(--gray-100);
  color: var(--primary);
}

.mobile-login {
  display: none;
}

/* Desktop navbar más estable */
@media (min-width: 1181px) {
  .nav-container {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr) auto;
    column-gap: 0.95rem;
  }

  .nav-menu {
    justify-self: end;
    margin-left: 0;
  }

  .login-container {
    justify-self: end;
    margin-left: 0;
  }
}

@media (min-width: 1181px) and (max-width: 1320px) {
  .nav-container {
    padding: 0.95rem 1rem;
    column-gap: 0.7rem;
  }

  .nav-menu {
    gap: 0.3rem;
  }

  .nav-link,
  .nav-link-button {
    padding: 0.62rem 0.72rem;
    font-size: 0.92rem;
  }

  .projects-pill {
    padding-inline: 0.88rem;
    font-size: 0.88rem;
  }

  .login-btn {
    padding-inline: 0.88rem;
  }
}

/* Navbar colapsa antes para evitar que se rompa */
@media (max-width: 1180px) {
  .logo .full-logo {
    display: none;
  }

  .logo .short-logo {
    display: inline;
  }

  .nav-container {
    justify-content: flex-start;
    position: relative;
  }

  .logo {
    margin-right: auto;
  }

  .mobile-menu-btn {
    display: inline-flex;
    margin-left: 0;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 50%;
    transform: translateX(-50%);
    width: min(92vw, 540px);
    max-width: 540px;
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding: 0.9rem;
    margin: 0;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: color-mix(in srgb, var(--surface-strong) 94%, transparent);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow);
    z-index: 2600;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .nav-menu li form {
    width: 100%;
  }

  .nav-link,
  .nav-link-button {
    width: 100%;
    justify-content: center;
    text-align: center;
    border-radius: 14px;
  }

  .nav-cta {
    justify-content: center;
  }

  .login-container {
    display: none;
  }

  .mobile-login {
    display: block;
    width: 100%;
  }

  .projects-pill {
    height: 40px;
    padding-inline: 0.82rem;
    font-size: 0.86rem;
    width: auto;
    justify-content: center;
  }
}


/* =======================
   SECCIONES GENERALES
   ======================= */

.hero,
.newsletter,
.subscription-section,
.search,
.contact-section,
.subscriptions,
.projects-page,
.featured-posts,
.tutorials-filter,
.guias-filter,
.podcast-filter,
.tutorials-grid,
.guias-grid,
.podcast-grid,
.pagination {
  position: relative;
  z-index: 1;
}

.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(3rem, 6vw, 6rem) 1.5rem clamp(2.5rem, 5vw, 4.5rem);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 1rem 8% auto 8%;
  height: 260px;
  border-radius: 36px;
  background:
    radial-gradient(120% 130% at 50% 0%, rgba(37,99,235,0.18), transparent 70%),
    radial-gradient(100% 120% at 100% 100%, rgba(124,58,237,0.12), transparent 60%);
  filter: blur(18px);
  z-index: -1;
}

.hero h1 {
  font-size: clamp(2.45rem, 5vw, 4.5rem);
  margin-bottom: 1.2rem;
}

.hero p {
  max-width: 760px;
  margin: 0 auto 2rem;
  font-size: clamp(1rem, 0.92rem + 0.4vw, 1.2rem);
  color: var(--text-soft);
}

.section-title {
  text-align: center;
  font-size: clamp(1.8rem, 2.8vw, 2.8rem);
  margin-bottom: 2rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin: 0.9rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--secondary));
}

.featured-posts {
  padding: 4rem 1.5rem;
}

.posts-grid,
.tutorials-grid,
.guias-grid,
.podcast-grid,
.plan-grid,
.projects-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.posts-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.tutorials-grid,
.podcast-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.guias-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.plan-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

:where(.post-card, .tutorial-card, .guia-card, .podcast-card, .plan, .contact-info, .contact-form, .search-container, .subscription-section, .projects-side-card, .project-card, .spotlight-card) {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
  backdrop-filter: blur(12px);
}

:where(.post-card, .tutorial-card, .guia-card, .podcast-card, .plan, .project-card, .spotlight-card):hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--border-strong);
}

:where(.post-card, .tutorial-card, .guia-card, .podcast-card, .plan, .project-card, .spotlight-card)::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.42), transparent);
}

.post-content,
.tutorial-card .tutorial-content,
.guia-content,
.podcast-content,
.plan {
  padding: 1.35rem;
}

.post-content h3,
.tutorial-card .tutorial-content h3,
.guia-content h3,
.podcast-content h3 {
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

.post-card img,
.tutorial-image,
.podcast-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover img,
.tutorial-card:hover .tutorial-image,
.podcast-card:hover .podcast-image {
  transform: scale(1.04);
}

.tutorial-card .tutorial-header,
.guia-header,
.podcast-header {
  position: relative;
  overflow: hidden;
}

.category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
}

.tutorial-meta,
.guia-meta,
.podcast-meta {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin: 0.55rem 0 0.85rem;
}

.tutorial-footer,
.guia-footer,
.podcast-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.read-more,
.tcc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: -0.01em;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.read-more:hover,
.tcc-link:hover {
  color: var(--primary-strong);
  transform: translateX(2px);
}

.rating {
  color: var(--warning);
  font-weight: 700;
}

.newsletter {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
  text-align: center;
}

.newsletter h2,
.subscription-section h2,
.subscriptions h2,
.contact-info h2,
.contact-form h2 {
  font-size: clamp(1.8rem, 2vw, 2.4rem);
  margin-bottom: 1rem;
}

.newsletter-form,
.footer-newsletter,
.search-form {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.newsletter-form,
.subscription-form {
  justify-content: center;
}

.newsletter-form input[type="email"],
.footer-newsletter input,
.subscription-form input[type="email"] {
  min-width: min(100%, 300px);
}

:where(.newsletter-form button, .footer-newsletter button, .subscription-form button, .contact-form button, .search-form button, .plan .cta, .logout-btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-weight: 700;
  padding: 0.82rem 1.2rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.18);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

:where(.newsletter-form button, .footer-newsletter button, .subscription-form button, .contact-form button, .search-form button, .plan .cta, .logout-btn):hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.24);
  filter: saturate(1.06);
}

.tutorials-filter,
.guias-filter,
.podcast-filter {
  max-width: var(--container);
  margin: 1rem auto 0;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: color-mix(in srgb, var(--surface-strong) 86%, transparent);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.filter-options {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.filter-btn,
.page-btn {
  border: 1px solid var(--gray-200);
  background: var(--surface-strong);
  color: var(--text-soft);
  border-radius: 999px;
  padding: 0.62rem 1rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.filter-btn:hover,
.page-btn:hover:not(:disabled) {
  background: var(--gray-100);
  color: var(--text);
  transform: translateY(-1px);
}

.filter-btn.active,
.page-btn.active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.18);
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 320px;
}

.search-box input {
  padding-right: 3rem;
}

.search-box button {
  position: absolute;
  inset: 0 0 0 auto;
  width: 48px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text-muted);
}

.pagination {
  max-width: var(--container);
  margin: 1.5rem auto 0;
  padding: 0 1rem 1rem;
  justify-content: center;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.page-btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.subscription-section,
.search-container {
  max-width: 820px;
  margin: 2rem auto;
  padding: 1.5rem;
  text-align: center;
}

.subscription-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.subscriptions {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  text-align: center;
}

.plan {
  padding: 1.5rem;
  text-align: left;
}

.plan h3 {
  font-size: 1.45rem;
  margin-bottom: 0.8rem;
}

.plan .price {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
  color: var(--text);
}

.contact-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.contact-info,
.contact-form {
  padding: 1.5rem;
}

.contact-info p {
  margin-bottom: 0.7rem;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.captcha-container {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: center;
  margin: 1.5rem 0;
}

.captcha-container img {
  width: 200px;
  border-radius: 14px;
  border: 1px solid var(--gray-200);
}

.recaptcha-fake-container {
  width: min(100%, 320px);
  border: 1px solid var(--gray-200);
  border-radius: 18px;
  padding: 0.9rem;
  background: var(--surface-strong);
  box-shadow: var(--shadow-xs);
  margin: 1rem auto 0;
}

.recaptcha-checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.fake-recaptcha-label,
.recaptcha-footer,
.recaptcha-footer small {
  color: var(--text-muted);
}

.recaptcha-footer {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.78rem;
}

.search {
  padding: 1rem 1.5rem 2rem;
}

.search-form {
  border-radius: 18px;
  overflow: hidden;
}

.search-form input[type="text"] {
  flex: 1;
  border-radius: 18px;
}

.search-form button {
  min-width: 140px;
}

.footer {
  margin-top: 4rem;
  padding: 4rem 1.5rem 2rem;
  background:
    linear-gradient(180deg, transparent, rgba(37,99,235,0.035)),
    color-mix(in srgb, var(--surface-strong) 80%, transparent);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.footer-container {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.8rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.footer-section h3 {
  font-size: 1.2rem;
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section li + li {
  margin-top: 0.65rem;
}

.footer-section a {
  color: var(--text-soft);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--surface-strong);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}

.social-links a:hover {
  transform: translateY(-2px);
}

.footer-bottom {
  max-width: var(--container);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

.legal-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
}

.theme-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 2600;
  width: 56px;
  height: 56px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  cursor: pointer;
  color: var(--text);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  transform: translateY(-2px) scale(1.02);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.theme-toggle-icon {
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(15, 23, 42, 0.52);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  max-width: 440px;
  margin: 9vh auto 0;
  padding: 1.5rem;
  position: relative;
}

.modal .login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.close-btn {
  position: absolute;
  top: 0.85rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.modal-content.confirm {
  text-align: center;
}

.confirm-buttons {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.modal-content.confirm button {
  border: none;
  border-radius: 14px;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
}

.modal-content.confirm .cancel-button {
  background: var(--gray-200);
  color: var(--text);
}

#loadingOverlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(2, 6, 23, 0.42);
  backdrop-filter: blur(10px);
}

.loading-overlay-card {
  max-width: 160px;
  margin: 25vh auto 0;
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  text-align: center;
}

.loading-overlay-text {
  margin: 0.85rem 0 0;
  color: var(--text);
  font-size: 0.92rem;
}

.spinner {
  width: 42px;
  height: 42px;
  margin: 0 auto;
  border-radius: 999px;
  border: 4px solid rgba(148, 163, 184, 0.28);
  border-top-color: var(--primary);
  animation: spin 0.95s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.projects-page {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.projects-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 2rem;
}

.projects-kicker,
.pill,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding: 0.4rem 0.78rem;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: var(--surface-strong);
  color: var(--primary);
  font-weight: 800;
}

.projects-title {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin-bottom: 0.8rem;
}

.projects-subtitle {
  font-size: 1.05rem;
  color: var(--text-soft);
  margin-bottom: 1rem;
}

.projects-actions,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tcc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--gray-200);
  background: var(--surface-strong);
  color: var(--text);
  font-weight: 800;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.tcc-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  background: var(--gray-100);
}

.tcc-btn.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 18px 42px rgba(37, 99, 235, 0.22);
}

.projects-side-card,
.project-spotlight .spotlight-card {
  padding: 1.5rem;
}

.project-spotlight .spotlight-card {
  background:
    radial-gradient(1000px 380px at 10% -20%, rgba(37,99,235,0.16), transparent 58%),
    color-mix(in srgb, var(--surface-strong) 86%, transparent);
}

.login-form {
  display: flex;
  gap: 0.5rem;
}

.user-info {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--text-soft);
}

.user-info a {
  color: var(--primary);
  font-weight: 700;
}

/* =======================
   RESPONSIVE GENERAL
   ======================= */

@media (max-width: 1100px) {
  .tutorials-grid,
  .podcast-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .projects-hero {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.6rem;
  }
}

@media (max-width: 768px) {
  .featured-posts,
  .newsletter,
  .subscriptions,
  .search,
  .footer,
  .projects-page {
    padding-inline: 1rem;
  }

  .tutorials-filter,
  .guias-filter,
  .podcast-filter,
  .search-container,
  .subscription-section,
  .contact-info,
  .contact-form,
  .project-card,
  .projects-side-card,
  .spotlight-card,
  .post-content,
  .tutorial-card .tutorial-content,
  .guia-content,
  .podcast-content,
  .plan {
    padding: 1rem;
  }

  .search-box {
    max-width: 100%;
  }

  .newsletter-form,
  .footer-newsletter,
  .search-form {
    flex-direction: column;
  }

  .search-form button,
  .newsletter-form button,
  .footer-newsletter button {
    width: 100%;
  }

  .theme-toggle {
    right: 1rem;
    bottom: 1rem;
    width: 52px;
    height: 52px;
  }

  .contact-section {
    padding-inline: 1rem;
  }

  .tutorials-grid,
  .podcast-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .posts-grid,
  .guias-grid,
  .plan-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .tcc-btn {
    width: 100%;
    justify-content: center;
  }

  .projects-actions {
    flex-direction: column;
  }

  .hero h1 {
    font-size: 2.15rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 640px) {
  .nav-menu {
    width: min(94vw, 360px);
    padding: 0.8rem;
  }
}