/* ==========================================================================
   CHENTEJD STUDIO — DESIGN SYSTEM & STYLESHEET
   Modular, scalable, glassmorphism dark-mode aesthetic.
   ========================================================================== */

/* --- 1. DESIGN TOKENS (Variables centralizadas) --- */
:root {
  /* Paleta de Color Principal (Dark Space Theme) */
  --bg-dark: #07090e;
  --bg-surface: rgba(15, 20, 32, 0.65);
  --bg-surface-hover: rgba(22, 30, 48, 0.85);
  --bg-card-inner: rgba(255, 255, 255, 0.03);

  /* Acentos y Gradientes */
  --accent-primary: #8b5cf6;       /* Violeta creativo */
  --accent-primary-light: #a78bfa;
  --accent-cyan: #06b6d4;          /* Cian tecnológico */
  --accent-pink: #ec4899;          /* Rosa expresivo */
  --accent-emerald: #10b981;       /* Verde online */
  --accent-amber: #f59e0b;         /* Ámbar en desarrollo */

  --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.02) 100%);
  --gradient-glow: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);

  /* Tipografía y Textos (Estilo Retro-Vintage Moderno tipo Aroma Vintage) */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Bordes, Sombras y Cristal */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(255, 255, 255, 0.2);
  --glass-blur: blur(16px);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px -10px rgba(139, 92, 246, 0.3);

  /* Transiciones */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* --- 3. AMBIENT BACKGROUND & MESH --- */
.ambient-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
  animation: floatGlow 14s infinite alternate ease-in-out;
}

.glow-1 {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
}

.glow-2 {
  top: 40%;
  right: -150px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
  animation-delay: -5s;
}

.glow-3 {
  bottom: -150px;
  left: 20%;
  background: radial-gradient(circle, #ec4899 0%, transparent 70%);
  animation-delay: -9s;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.1); }
  100% { transform: translate(-30px, 50px) scale(0.95); }
}

.bg-grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 1;
}

/* --- 4. LAYOUT WRAPPER --- */
.page-wrapper {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 5. HEADER / NAVBAR --- */
.studio-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin: 16px 0 40px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-subtle);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.brand-logo:hover {
  transform: translateY(-1px);
}

.monogram-box {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(6, 182, 212, 0.2) 100%);
  border: 1px solid rgba(167, 139, 250, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  color: #fff;
  overflow: hidden;
}

.monogram-box.small {
  width: 32px;
  height: 32px;
  font-size: 0.8rem;
}

.monogram-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(167, 139, 250, 0.4), transparent 70%);
  opacity: 0.8;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.3px;
  font-variation-settings: 'opsz' 144, 'wght' 700, 'SOFT' 40, 'WONK' 1;
}

.brand-tag {
  color: var(--accent-primary-light);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-left: 4px;
}

.system-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: #6ee7b7;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-btn {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-main);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-bright);
}

/* --- 6. HERO SECTION --- */
.hero-section {
  padding: 60px 0 80px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary-light);
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  max-width: 900px;
  margin-bottom: 24px;
  font-variation-settings: 'opsz' 144, 'wght' 800, 'SOFT' 30, 'WONK' 1;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 8px 25px -6px rgba(139, 92, 246, 0.5);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -4px rgba(139, 92, 246, 0.7);
}

.btn-glass {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: var(--glass-blur);
}

.btn-glass:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.quick-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 30px;
  background: var(--border-subtle);
}

/* --- 7. SECTION HEADERS & FILTERS --- */
.section {
  padding: 60px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
}

.filter-tabs {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 4px;
  margin-top: 24px;
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.filter-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* --- 8. APPS & ECOSYSTEM GRID (MODULAR) --- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.app-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-glow);
}

.app-card:hover::before {
  opacity: 0.8;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border-bright);
}

/* Badges de estado de la app */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pill.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.development {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.status-pill.upcoming {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.55;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.tag-item {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.card-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  transition: var(--transition-fast);
}

.card-link-btn:hover {
  gap: 12px;
  color: var(--accent-primary-light);
}

.card-subdomain-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: monospace;
}

/* --- 9. SHOWCASE & ART GRID --- */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.showcase-card {
  position: relative;
  height: 260px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  transition: var(--transition-smooth);
}

.showcase-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 9, 14, 0.9) 10%, rgba(7, 9, 14, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.showcase-category {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.showcase-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

.showcase-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
}

.showcase-card:hover .showcase-bg {
  transform: scale(1.05);
}

/* --- 10. ABOUT / PHILOSOPHY --- */
.about-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: var(--glass-blur);
  align-items: center;
}

.about-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 8px 0 16px;
}

.about-text {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 28px;
  line-height: 1.6;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
  font-weight: 500;
}

.feat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-primary-light);
}

.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-card {
  position: relative;
  width: 240px;
  height: 240px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: 0 0 50px rgba(139, 92, 246, 0.2);
}

.visual-symbol {
  font-size: 3.5rem;
  color: var(--accent-primary-light);
  animation: pulseGlow 3s infinite;
}

.visual-caption {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* --- 11. FOOTER --- */
.studio-footer {
  margin-top: 80px;
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-subtle);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  margin-bottom: 12px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links-group {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-main);
  margin-bottom: 6px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

.social-links-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social-link-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.social-link-item:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-note {
  display: flex;
  align-items: center;
  gap: 8px;
}

.separator {
  opacity: 0.4;
}

/* --- 12. RESPONSIVE BREAKPOINTS --- */
@media (max-width: 868px) {
  .about-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px 24px;
  }

  .about-features {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .nav-links {
    display: none; /* Mobile navigation simplified */
  }

  .hero-section {
    padding: 40px 0 60px;
  }

  .quick-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }
}