/**
 * Helical — Página de inicio interactiva
 * Mobile-first responsive
 */

/* --- Hero --- */
.hero-home {
  position: relative;
  min-height: 60vh;
  min-height: 60dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  overflow: hidden;
}

@media (min-width: 640px) {
  .hero-home {
    min-height: 65vh;
    padding: 3rem 1.5rem;
  }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 640px;
}

.hero-title { margin: 0 0 1rem; }

.hero-title-main {
  display: block;
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, #8b949e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title-sub {
  display: block;
  font-size: clamp(0.9375rem, 2.5vw, 1.125rem);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

.hero-desc {
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

@media (min-width: 640px) {
  .hero-desc { margin: 0 0 1.25rem; }
}

.tooltip-trigger {
  color: var(--color-accent);
  cursor: help;
  border-bottom: 1px dotted var(--color-accent);
}

/* --- Búsqueda --- */
.hero-search {
  position: relative;
  max-width: 320px;
  width: 100%;
  margin: 0 auto 1rem;
}

@media (min-width: 640px) {
  .hero-search { margin-bottom: 1.5rem; }
}

.search-input {
  width: 100%;
  padding: 0.875rem 1rem;
  min-height: var(--touch-min);
  font-size: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  -webkit-appearance: none;
}

@media (min-width: 640px) {
  .search-input { min-height: auto; padding: 0.75rem 1rem; }
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  max-height: 200px;
  overflow-y: auto;
  display: none;
}

.search-results.open {
  display: block;
}

.search-item {
  display: block;
  padding: 0.875rem 1rem;
  min-height: var(--touch-min);
  color: var(--color-text);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.search-item:hover,
.search-item:active {
  background: var(--color-surface-hover);
}

/* --- Hero actions --- */
.hero-actions { margin-bottom: 1.5rem; }

.btn-lg {
  padding: 0.875rem 1.5rem;
  min-height: var(--touch-min);
  font-size: 1rem;
}

@media (min-width: 640px) {
  .btn-lg { min-height: auto; padding: 0.75rem 1.5rem; }
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: pulse 2s ease-in-out infinite;
}

.status-dot.status-ok {
  background: #3fb950;
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Scroll reveal --- */
.scroll-reveal-init {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal-init.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Contadores --- */
.section-counters { padding: 1.5rem 1rem; }

@media (min-width: 640px) {
  .section-counters { padding: 2rem 1.5rem; }
}

.counters-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .counters-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }
}

.counter-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .counter-card { padding: 1.5rem; }
}

.counter-value {
  display: block;
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  color: var(--color-accent);
}

.counter-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .counter-label { font-size: 0.875rem; }
}

/* --- Último partido --- */
.last-match-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

@media (min-width: 640px) {
  .last-match-card { padding: 1.5rem; }
}

.match-teams {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (min-width: 640px) {
  .match-teams { gap: 1rem; }
}

.match-home, .match-away {
  font-weight: 600;
  font-size: 0.875rem;
  min-width: 0;
  max-width: 40%;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 640px) {
  .match-home, .match-away {
    font-size: 1rem;
    min-width: 100px;
    max-width: none;
  }
}

.match-score {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
}

.match-meta {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-accent);
  font-weight: 500;
}

.match-date {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* --- 3 mejores resultados (rotación) --- */
.best-results-wrap {
  position: relative;
}
.best-result-card {
  transition: opacity 0.35s ease;
}
.best-result-card.best-result-visible {
  opacity: 1;
}
.best-results-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.best-result-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}
.best-result-dot:hover {
  background: var(--color-text-muted);
}
.best-result-dot.active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* --- Tabs Explora --- */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 640px) {
  .tabs { gap: 0.5rem; }
}

.tab-btn {
  padding: 0.75rem 0.875rem;
  min-height: var(--touch-min);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
  -webkit-tap-highlight-color: transparent;
}

@media (min-width: 640px) {
  .tab-btn {
    padding: 0.5rem 1rem;
    min-height: auto;
    font-size: 1rem;
  }
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.tab-content {
  display: none;
  padding: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

@media (min-width: 640px) {
  .tab-content { padding: 1.5rem; }
}

.tab-content.active { display: block; }

.tab-desc {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

/* --- Tarjetas de fuentes --- */
.source-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1rem;
}

.source-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.source-card-link:hover,
.source-card-link:focus {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}

.source-card-link .source-card-action {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.source-card-link:hover .source-card-action,
.source-card-link:focus .source-card-action {
  opacity: 1;
}

.source-meta-row {
  margin-top: 0.5rem;
}

.source-last-updated {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .source-card { padding: 1.5rem; }
}

.source-volume {
  margin: 0.75rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.5rem;
}

.source-volume-label {
  flex: 0 0 100%;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.source-volume-pct {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.source-volume .progress-bar {
  flex: 1;
  min-width: 60px;
}

.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-accent);
  transition: width 0.4s ease;
}

/* --- Slider --- */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 640px) {
  .slider-wrap { gap: 0.5rem; }
}

.slider-btn {
  width: var(--touch-min);
  height: var(--touch-min);
  min-width: var(--touch-min);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.5rem;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.slider-btn:hover,
.slider-btn:active {
  background: var(--color-surface-hover);
}

.slider-track {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 1rem 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.slider-track::-webkit-scrollbar { display: none; }

@media (min-width: 640px) {
  .slider-track {
    gap: 1rem;
    padding: 1rem 0;
  }
  .slider-track::-webkit-scrollbar { display: block; height: 6px; }
  .slider-track::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
}

.slider-item {
  flex: 0 0 100px;
  padding: 0.875rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  scroll-snap-align: start;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .slider-item {
    flex: 0 0 120px;
    padding: 1rem;
  }
}

/* --- Sections --- */
.section-home {
  padding: 1.5rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .section-home { padding: 3rem 1.5rem; }
}

.section-title {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  text-align: center;
  margin: 0 0 0.5rem;
}

.section-desc {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .section-desc { margin-bottom: 2.5rem; font-size: 1rem; }
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 480px) {
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
  }
}

.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-title { font-size: 1.125rem; font-weight: 600; margin: 0 0 0.5rem; }
.feature-desc { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.5; margin: 0; }
.feature-meta { font-size: 0.8125rem; color: var(--color-accent); }

/* --- CTA --- */
.section-cta { padding-bottom: 2rem; }

@media (min-width: 640px) {
  .section-cta { padding-bottom: 4rem; }
}

.cta-card {
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-hover) 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

@media (min-width: 640px) {
  .cta-card { padding: 2.5rem; }
}

.cta-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.cta-desc {
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .cta-desc { font-size: 1rem; }
}

/* --- Tooltip --- */
.tooltip {
  position: fixed;
  padding: 0.5rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text);
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.2s;
}

.tooltip.visible {
  opacity: 1;
}