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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f4f6;
  color: #111827;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background: #111827;
  color: #f9fafb;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #e5e7eb;
}

.brand-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.brand-sub {
  font-size: 0.75rem;
  color: #9ca3af;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.main-nav a {
  color: #e5e7eb;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
}

.main-nav a:hover {
  border-color: #4b5563;
}

.nav-admin {
  border-color: #4f46e5;
}

.nav-user {
  color: #d1d5db;
}

.site-main {
  padding-bottom: 2.5rem;
}

.hero {
  background: #111827;
  color: #f9fafb;
  padding: 2.5rem 0 2rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-size: 1.9rem;
  margin-bottom: 0.75rem;
}

.hero p {
  color: #e5e7eb;
  font-size: 0.95rem;
}

.hero-search {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}

.hero-search input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #4b5563;
  background: #111827;
  color: #f9fafb;
}

.hero-search button {
  border-radius: 999px;
  border: none;
  padding: 0.5rem 1rem;
  background: #4f46e5;
  color: #f9fafb;
  font-weight: 500;
  cursor: pointer;
}

.hero-card {
  background: #1f2937;
  border-radius: 1rem;
  padding: 1.25rem;
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
}

.hero-card h2 {
  font-size: 1rem;
  margin-top: 0;
}

.hero-card ul {
  padding-left: 1.1rem;
  margin: 0 0 1rem;
}

.hero-card li {
  margin-bottom: 0.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: none;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
  background: #4f46e5;
  color: #f9fafb;
  font-weight: 500;
}

.btn:hover {
  background: #4338ca;
}

.btn-outline {
  background: transparent;
  color: #111827;
  border: 1px solid #d1d5db;
}

.btn-full {
  width: 100%;
  margin-top: 0.4rem;
}

.btn-green {
  background: #059669;
  color: #ecfdf5;
}

.btn-green:hover {
  background: #047857;
}

.btn-whatsapp {
  background: #10b981;
  color: #ecfdf5;
}

.btn-whatsapp:hover {
  background: #059669;
}

.btn-discord {
  background: #6366f1;
  color: #eef2ff;
}

.btn-discord:hover {
  background: #4f46e5;
}


/* Home banner: gestionar imagen online */
.home-banner {
  padding: 1.5rem 0 0.5rem;
}

.home-banner-inner {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.3fr);
  gap: 1.75rem;
  align-items: center;
  background: linear-gradient(135deg, #111827, #1f2937);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  color: #f9fafb;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.45);
}

.home-banner-text h2 {
  font-size: 1.4rem;
  margin: 0 0 0.5rem;
}

.home-banner-text p {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  max-width: 32rem;
}

.home-banner-text ul {
  margin: 0 0 0.9rem;
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.home-banner-text li {
  margin-bottom: 0.3rem;
}

.home-banner-cta {
  margin-top: 0.25rem;
  background: #f97316;
  color: #111827;
  font-weight: 600;
}

.home-banner-cta:hover {
  background: #fb923c;
}

.home-banner-side {
  border-radius: 0.9rem;
  padding: 0.9rem 1rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.85rem;
}

.home-banner-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: #f97316;
  color: #111827;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.home-banner-note {
  margin: 0;
  color: #e5e7eb;
}

/* Header de cursos con chips de categorías */
.courses-header-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.courses-header-line h2 {
  margin: 0;
}

.home-categories {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.home-categories-label {
  font-size: 0.8rem;
  color: #6b7280;
  margin-right: 0.25rem;
}

.chip {
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.75rem;
  text-decoration: none;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
}

.chip-free {
  background: #ecfdf5;
  color: #047857;
  border-color: #6ee7b7;
}

.chip-discount {
  background: #fef3c7;
  color: #92400e;
  border-color: #facc15;
}

.chip-talk {
  background: #eef2ff;
  color: #4f46e5;
  border-color: #a5b4fc;
}

.chip:hover {
  filter: brightness(0.96);
}

/* Responsivo home */
@media (max-width: 768px) {
  .home-banner-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 1.25rem 1rem;
  }
  .home-banner-side {
    margin-top: 0.75rem;
  }
  .courses-header-line {
    align-items: flex-start;
  }
}

.courses-section {
  padding: 2rem 0 0;
}

.courses-section h2 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.course-card {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 0.65rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
}

.course-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.course-card-link:hover .course-title {
  text-decoration: underline;
}

.course-thumb {
  border-radius: 0.75rem;
  overflow: hidden;
  background: #111827;
  margin-bottom: 0.5rem;
}

.course-thumb-placeholder {
  padding: 1.7rem 0;
  text-align: center;
  color: #9ca3af;
  font-size: 0.8rem;
}

.course-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.course-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.7rem;
}

.badge-category {
  background: #eef2ff;
  color: #4f46e5;
}

.badge-level {
  background: #ecfeff;
  color: #0f766e;
}

.course-title {
  margin: 0;
  font-size: 0.96rem;
}

.course-subtitle {
  margin: 0;
  font-size: 0.78rem;
  color: #6b7280;
}

.course-author-line {
  margin: 0.1rem 0 0;
  font-size: 0.78rem;
  color: #4b5563;
}

.course-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.2rem;
  font-size: 0.78rem;
}

.course-price {
  font-weight: 600;
  color: #111827;
}

.course-rating {
  font-size: 0.78rem;
  color: #4b5563;
}

.course-cta {
  display: inline-flex;
  margin-top: 0.4rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: #f3f4ff;
  color: #4f46e5;
  font-size: 0.75rem;
  font-weight: 500;
}

.course-price {
  font-weight: 600;
  color: #111827;
}

.site-footer {
  border-top: 1px solid #e5e7eb;
  padding: 0.75rem 0;
  font-size: 0.75rem;
  color: #6b7280;
  background: #f9fafb;
  margin-top: 2rem;
}

/* Curso */

.course-hero {
  background: #111827;
  color: #f9fafb;
  padding: 1.5rem 0 1.5rem;
}

.course-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.2fr);
  gap: 1.8rem;
  align-items: center;
}

.course-category {
  font-size: 0.8rem;
  color: #9ca3af;
  margin: 0 0 0.4rem;
}

.course-hero h1 {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
}

.course-sub {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.course-author-line,
.course-meta-line {
  margin: 0;
  font-size: 0.8rem;
  color: #d1d5db;
}

.course-side-card {
  background: #1f2937;
  border-radius: 1rem;
  padding: 0.9rem;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

.course-hero-thumb {
  border-radius: 0.75rem;
  overflow: hidden;
  background: #111827;
  margin-bottom: 0.5rem;
}

.course-hero-price {
  margin: 0.25rem 0 0.4rem;
  font-size: 1rem;
  font-weight: 600;
}

.community-box {
  margin-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.course-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.course-main-left,
.course-main-right {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.course-block {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 0.9rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  font-size: 0.9rem;
}

.course-block h2,
.course-block h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.course-block-accent {
  border-left: 4px solid #4f46e5;
}

.course-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
}

.course-info-list li {
  margin-bottom: 0.3rem;
}

.curriculum-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.curriculum-list li {
  border-bottom: 1px solid #e5e7eb;
}

.curriculum-list li:last-child {
  border-bottom: none;
}

.curriculum-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 2fr);
  gap: 0.4rem;
  padding: 0.35rem 0;
  text-decoration: none;
  color: inherit;
}

.curriculum-index {
  font-size: 0.8rem;
  color: #9ca3af;
}

.curriculum-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.curriculum-summary {
  grid-column: 2;
  font-size: 0.8rem;
  color: #6b7280;
}

.embed-wrapper {
  position: relative;
  padding-top: 60%;
  border-radius: 0.75rem;
  overflow: hidden;
  background: #111827;
}

.embed-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.embed-note {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 0.4rem;
}

.review-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
}

.review-list li {
  border-bottom: 1px solid #e5e7eb;
  padding: 0.4rem 0;
}

.review-header {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.8rem;
}

.review-rating {
  color: #f59e0b;
}

.review-date {
  margin-left: auto;
  color: #9ca3af;
  font-size: 0.75rem;
}

.review-form textarea {
  width: 100%;
  resize: vertical;
}

.review-form input,
.review-form select,
.review-form textarea {
  width: 100%;
  padding: 0.4rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font-size: 0.85rem;
}

/* Lección, comentarios */

.lesson-main {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
}

.lesson-content {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 0.9rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  font-size: 0.9rem;
}

.lesson-content h1 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
}

.lesson-course-line {
  margin: 0 0 0.8rem;
  font-size: 0.8rem;
  color: #6b7280;
}

.video-wrapper,
.pdf-wrapper {
  position: relative;
  padding-top: 56.25%;
  margin-bottom: 0.75rem;
  border-radius: 0.75rem;
  overflow: hidden;
  background: #111827;
}

.video-wrapper iframe,
.pdf-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.pdf-link {
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

.lesson-block {
  margin-top: 0.6rem;
}

.lesson-block h2 {
  margin-top: 0;
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.ref-links {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
}

.ref-links li {
  margin-bottom: 0.25rem;
}

.lesson-comments {
  background: #ffffff;
  border-radius: 0.9rem;
  padding: 0.9rem;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  font-size: 0.9rem;
}

.comment-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.6rem;
}

.comment-item {
  border-bottom: 1px solid #e5e7eb;
  padding: 0.35rem 0;
}

.comment-item:last-child {
  border-bottom: none;
}

.comment-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: #6b7280;
}

.comment-form textarea {
  width: 100%;
  resize: vertical;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 0.4rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font-size: 0.85rem;
}

/* Auth */

.auth-body {
  background: #111827;
  color: #f9fafb;
}

.auth-section {
  padding: 2rem 0 2.5rem;
}

.auth-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.4fr);
  gap: 1.5rem;
  align-items: start;
}

.auth-box,
.auth-info-box {
  background: #1f2937;
  border-radius: 0.9rem;
  padding: 1rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  font-size: 0.9rem;
}

.auth-box h1 {
  margin-top: 0;
  font-size: 1.2rem;
}

.auth-message {
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  margin-bottom: 0.6rem;
}

.auth-message-error {
  background: rgba(248, 113, 113, 0.12);
  color: #fecaca;
}

.auth-box input {
  width: 100%;
  padding: 0.45rem;
  border-radius: 0.5rem;
  border: 1px solid #4b5563;
  background: #111827;
  color: #f9fafb;
}

/* Utilidades */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.1fr);
  }
  .course-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }
  .course-main-grid,
  .lesson-main {
    grid-template-columns: minmax(0, 1fr);
  }
  .auth-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
  .hero {
    padding-top: 2rem;
  }
  .course-main-grid,
  .lesson-main {
    margin-top: 1rem;
  }
}