/* ============================================
   leanaraque-web — Design System
   Inspirado en neobrutalism, identidad propia
   ============================================ */

/* --- CSS Variables --- */
:root {
  --bg-primary: #0F0F0F;
  --bg-secondary: #1A1A1A;
  --bg-card: #161616;
  --text-primary: #EAEAEA;
  --text-secondary: #A0A0A0;
  --accent: #10B981;
  --accent-light: #34D399;
  --accent-dark: #059669;
  --highlight-1: #F59E0B;
  --highlight-2: #8B5CF6;
  --highlight-3: #EF4444;
  --border-color: #EAEAEA;
  --shadow-color: #10B981;
  --font-main: 'Space Grotesk', sans-serif;
  --max-width: 620px;
  --radius: 4px;
  --shadow: 4px 4px 0px 0px var(--shadow-color);
  --shadow-sm: 3px 3px 0px 0px var(--shadow-color);
  --transition-fast: 0.08s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-main);
  font-weight: 400;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  /* Dot pattern background — CSS pure */
  background-image: radial-gradient(circle, #2A2A2A 1px, transparent 1px);
  background-size: 24px 24px;
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--accent);
}

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

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid rgba(234, 234, 234, 0.12);
  padding: 0.8em 2em;
  z-index: 999;
  backdrop-filter: blur(8px);
  background: rgba(15, 15, 15, 0.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-size: 1.3em;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.navbar__logo span {
  color: var(--accent);
}

/* --- Main Container --- */
.main {
  display: flex;
  justify-content: center;
  padding: 2em 1.5em;
}

.container {
  max-width: var(--max-width);
  width: 100%;
}

/* --- Section --- */
.section {
  margin-bottom: 2.5em;
}

.section__title {
  font-size: 1.4em;
  font-weight: 700;
  margin-bottom: 1em;
  padding-top: 0.5em;
  letter-spacing: -0.02em;
}

.section__title::before {
  content: '// ';
  color: var(--accent);
  font-weight: 400;
}

/* --- Hero / Profile --- */
.hero {
  display: flex;
  flex-direction: column;
  gap: 1.5em;
  margin-bottom: 2em;
}

.hero__top {
  display: flex;
  align-items: flex-end;
  gap: 1.2em;
}

.hero__avatar {
  width: 90px;
  height: 90px;
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  object-fit: cover;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}
.hero__avatar:hover {
  box-shadow: 6px 6px 0px 0px var(--shadow-color);
  transform: translate(-2px, -2px);
}

.hero__info {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
}

.hero__name {
  font-size: 1.6em;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.hero__handle {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95em;
}

.hero__socials {
  display: flex;
  gap: 0.8em;
  padding-top: 0.4em;
}

.hero__socials a {
  display: flex;
  align-items: center;
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.hero__socials a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.hero__socials svg {
  width: 1.3em;
  height: 1.3em;
  fill: var(--text-primary);
}

/* Stats */
.hero__stats {
  display: flex;
  gap: 0.5em;
  font-size: 0.85em;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  gap: 0.3em;
}

.stat__number {
  color: var(--accent);
  font-weight: 700;
}

.stat__separator {
  color: var(--text-secondary);
  margin: 0 0.3em;
}

/* Bio */
.hero__bio {
  font-size: 0.95em;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Link Button (neobrutalist card) --- */
.link-btn {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0;
  margin-bottom: 0.8em;
  background: var(--accent);
  color: var(--bg-primary);
  border: 2px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1em;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}
.link-btn:hover {
  color: var(--bg-primary);
  box-shadow: none;
  transform: translate(3px, 3px);
}

.link-btn--highlight-1 { background: var(--highlight-1); }
.link-btn--highlight-2 { background: var(--highlight-2); color: #fff; }
.link-btn--highlight-3 { background: var(--highlight-3); color: #fff; }
.link-btn--accent { background: var(--accent); }
.link-btn--verifood { background: #FB0034; color: #fff; }
.link-btn--fractane { background: #86C3FC; color: var(--bg-primary); }
.link-btn--noventa { background: #2563EB; color: #fff; }
.link-btn--ghost {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: rgba(234, 234, 234, 0.2);
  box-shadow: 3px 3px 0px 0px rgba(234, 234, 234, 0.15);
}
.link-btn--ghost:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: none;
  transform: translate(3px, 3px);
}

.link-btn__icon {
  width: 2.5em;
  height: 2.5em;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin: 0.5em 0.6em 0.5em 0.8em;
  font-size: 1.2em;
}

.link-btn__text {
  padding: 0.6em 0.8em 0.6em 0;
}

.link-btn__title {
  font-weight: 600;
  font-size: 0.95em;
  line-height: 1.3;
}

.link-btn__subtitle {
  font-size: 0.78em;
  opacity: 0.8;
  line-height: 1.4;
  margin-top: 0.15em;
}

/* --- Articles Section --- */
.articles-grid {
  display: flex;
  flex-direction: column;
  gap: 1em;
}

.load-more-btn {
  display: block;
  margin: 1.5em auto 0;
  padding: 0.75em 2em;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.load-more-btn:hover {
  background: var(--accent);
  color: var(--bg-primary);
}
.load-more-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid rgba(234, 234, 234, 0.1);
  border-radius: var(--radius);
  padding: 1.2em;
  transition: border-color 0.2s ease, transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 0.8em;
}
.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: 0.6em;
  font-size: 0.75em;
  color: var(--text-secondary);
}

.article-card__tag {
  background: var(--accent-dark);
  color: #fff;
  padding: 0.2em 0.6em;
  border-radius: 2px;
  font-size: 0.85em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.article-card__tag--ai { background: var(--highlight-2); }
.article-card__tag--data { background: var(--accent-dark); }
.article-card__tag--news { background: var(--highlight-1); color: var(--bg-primary); }

.article-card__title {
  font-size: 1.1em;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.article-card__title a {
  color: var(--text-primary);
}
.article-card__title a:hover {
  color: var(--accent);
}

.article-card__excerpt {
  font-size: 0.88em;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5em;
  border-top: 1px solid rgba(234, 234, 234, 0.06);
}

.article-card__source {
  font-size: 0.75em;
  color: var(--text-secondary);
}

.article-card__source a {
  color: var(--accent);
}

.share-buttons {
  display: flex;
  gap: 0.5em;
}

.share-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 3px;
  background: rgba(234, 234, 234, 0.08);
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform var(--transition-fast);
}
.share-btn:hover {
  background: var(--accent);
  transform: scale(1.1);
}
.share-btn svg {
  width: 14px;
  height: 14px;
  fill: var(--text-primary);
}
.share-btn:hover svg {
  fill: var(--bg-primary);
}
.share-btn--instagram:hover {
  background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF);
}
.share-btn--instagram:hover svg {
  fill: #FFFFFF;
}

/* --- Article Full Page --- */
.article-full {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2em 1.5em;
}

.article-full__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.85em;
  color: var(--accent);
  margin-bottom: 1.5em;
}

.article-full__tag {
  display: inline-block;
  background: var(--accent-dark);
  color: #fff;
  padding: 0.2em 0.7em;
  border-radius: 2px;
  font-size: 0.75em;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.8em;
}

.article-full__title {
  font-size: 1.8em;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 0.6em;
}

.article-full__meta {
  display: flex;
  align-items: center;
  gap: 1em;
  font-size: 0.8em;
  color: var(--text-secondary);
  margin-bottom: 2em;
  padding-bottom: 1em;
  border-bottom: 1px solid rgba(234, 234, 234, 0.1);
}

.article-full__body {
  font-size: 1em;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-full__body p {
  margin-bottom: 1.2em;
}

.article-full__body h2 {
  color: var(--text-primary);
  font-size: 1.2em;
  margin: 1.5em 0 0.6em;
}

.article-full__body strong {
  color: var(--text-primary);
}

.article-full__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-full__source {
  margin-top: 2em;
  padding: 1em;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88em;
}

.article-full__source a {
  color: var(--accent);
  font-weight: 600;
}

.article-full__share {
  display: flex;
  align-items: center;
  gap: 0.8em;
  margin-top: 2em;
  padding-top: 1.5em;
  border-top: 1px solid rgba(234, 234, 234, 0.1);
}

.article-full__share span {
  font-size: 0.85em;
  color: var(--text-secondary);
}

.share-btn--lg {
  width: 36px;
  height: 36px;
}
.share-btn--lg svg {
  width: 18px;
  height: 18px;
}

/* --- Contact section --- */
.contact-row {
  display: flex;
  gap: 0.8em;
  flex-wrap: wrap;
}

.contact-row .link-btn {
  flex: 1;
  min-width: 200px;
}

/* --- Footer --- */
.footer {
  text-align: center;
  padding: 3em 1.5em 2em;
  color: var(--text-secondary);
  font-size: 0.78em;
  border-top: 1px solid rgba(234, 234, 234, 0.08);
}

.footer__name {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5em;
}

.footer__name span {
  color: var(--accent);
}

.footer a {
  color: var(--accent);
}

.footer p {
  margin-top: 0.3em;
}

/* --- Loading State --- */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1em;
  padding: 3em;
  color: var(--text-secondary);
}

.loading__spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(234, 234, 234, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

/* --- Language Toggle --- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  background: transparent;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  cursor: pointer;
  overflow: hidden;
  font-family: var(--font-main);
}
.lang-toggle__opt {
  padding: 0.35em 0.65em;
  font-size: 0.78em;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  background: transparent;
  transition: background 0.15s, color 0.15s;
}
.lang-toggle__opt--active {
  background: var(--accent);
  color: var(--bg-primary);
}

/* --- CTA Button --- */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-top: 1em;
  padding: 0.8em 1.6em;
  background: var(--accent);
  color: var(--bg-primary);
  font-family: var(--font-main);
  font-size: 1em;
  font-weight: 700;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.cta-btn:hover {
  color: var(--bg-primary);
  box-shadow: none;
  transform: translate(4px, 4px);
}
.cta-btn svg {
  flex-shrink: 0;
}

/* --- Badge --- */
.badge {
  background: rgba(234, 234, 234, 0.1);
  color: var(--text-secondary);
  font-size: 0.7em;
  font-weight: 600;
  padding: 0.3em 0.7em;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: auto;
  margin-right: 0.8em;
  white-space: nowrap;
}

/* --- Disabled link-btn --- */
.link-btn--disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* --- View All Link --- */
.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  margin-top: 1em;
  font-size: 0.9em;
  font-weight: 600;
  color: var(--accent);
  transition: transform var(--transition-fast);
}
.view-all-link:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}
.view-all-link::after {
  content: ' →';
}

/* --- Section subtitle --- */
.section__subtitle {
  font-size: 0.9em;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5em;
}

.section__title--lg {
  font-size: 1.8em;
}

.section__coming {
  font-size: 0.85em;
  color: var(--text-secondary);
  text-align: center;
  padding: 2em;
  font-style: italic;
}

/* --- Library Card --- */
.library-card {
  display: flex;
  align-items: flex-start;
  gap: 1em;
  background: var(--bg-card);
  border: 1px solid rgba(234, 234, 234, 0.08);
  border-radius: var(--radius);
  padding: 1em 1.2em;
  margin-bottom: 0.7em;
  text-decoration: none;
  transition: border-color 0.2s, transform var(--transition-fast);
}
.library-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.library-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-top: 0.1em;
}

.library-card__icon--tool {
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85em;
  color: var(--accent);
}

.library-card__content {
  flex: 1;
}

.library-card__title {
  font-size: 1em;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.library-card__author {
  font-size: 0.8em;
  color: var(--accent);
  margin-top: 0.15em;
}

.library-card__desc {
  font-size: 0.82em;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.3em;
}

/* --- Responsive --- */
@media (max-width: 480px) {
  .hero__top {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__avatar {
    width: 70px;
    height: 70px;
  }

  .hero__name {
    font-size: 1.3em;
  }

  .hero__stats {
    flex-direction: column;
  }

  .stat__separator {
    display: none;
  }

  .contact-row {
    flex-direction: column;
  }

  .article-full__title {
    font-size: 1.4em;
  }
}

/* Toast notification */
.share-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent);
  color: var(--bg-primary);
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9em;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.share-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Feedback popup */
.feedback-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 340px;
  max-width: calc(100vw - 32px);
  background: var(--bg-secondary);
  border: 2px solid var(--accent);
  box-shadow: 4px 4px 0px var(--accent);
  padding: 20px 22px;
  z-index: 9998;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.feedback-popup--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.feedback-popup__close {
  position: absolute;
  top: 6px;
  right: 10px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4em;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  font-family: inherit;
}

.feedback-popup__close:hover {
  color: var(--text-primary);
}

.feedback-popup__title {
  font-size: 1.1em;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px 0;
  padding-right: 24px;
}

.feedback-popup__body {
  font-size: 0.9em;
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 0 0 16px 0;
}

.feedback-popup__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.feedback-popup__cta {
  background: var(--accent);
  color: var(--bg-primary);
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.9em;
  text-decoration: none;
  border: 2px solid var(--accent);
  box-shadow: 3px 3px 0px var(--bg-primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
  cursor: pointer;
}

.feedback-popup__cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px var(--bg-primary);
}

.feedback-popup__dismiss {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85em;
  cursor: pointer;
  padding: 4px 0;
  font-family: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.feedback-popup__dismiss:hover {
  color: var(--text-primary);
}

@media (max-width: 480px) {
  .feedback-popup {
    bottom: 16px;
    right: 16px;
    left: 16px;
    width: auto;
  }
}