/* =========================================
   OBSERVATORIO PVPC - DISEÑO PREMIUM V5.0
   Profesional, Moderno y con WOW Factor
   ========================================= */

:root {
  /* Colores Base */
  --obs-bg: var(--bg);
  --obs-card: var(--card-bg);
  --obs-border: var(--border);
  --obs-text: var(--text);
  --obs-muted: var(--muted);

  /* Colores Premium */
  --obs-accent: #8b5cf6;
  --obs-accent-light: #a78bfa;
  --obs-accent-dark: #6d28d9;
  --obs-success: #10b981;
  --obs-warning: #f59e0b;
  --obs-danger: #ef4444;

  /* Gradientes Premium */
  --grad-purple: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --grad-purple-glow: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 50%, #6d28d9 100%);
  --grad-card: linear-gradient(145deg, rgba(139, 92, 246, 0.03) 0%, rgba(99, 102, 241, 0.02) 100%);
  --grad-shine: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);

  /* Sombras Premium con Glow */
  --shadow-xs: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.02);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.03);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.16), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-xl: 0 40px 100px rgba(0,0,0,0.2);
  --shadow-glow: 0 0 60px -15px rgba(139, 92, 246, 0.6);
  --shadow-glow-lg: 0 0 80px -10px rgba(139, 92, 246, 0.8);

  /* Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
}

/* Dark Mode Premium */
@media (prefers-color-scheme: dark) {
  :root {
    --obs-bg: #0a0a0a;
    --obs-card: rgba(20, 20, 24, 0.6);
    --obs-border: rgba(255,255,255,0.08);
    --shadow-sm: 0 4px 16px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
    --shadow-md: 0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06);
    --shadow-lg: 0 32px 80px rgba(0,0,0,0.7);
  }
}

.light-mode {
  --obs-bg: #ffffff;
  --obs-card: rgba(255, 255, 255, 0.8);
  --obs-border: rgba(0,0,0,0.08);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.06);
  --shadow-md: 0 16px 48px rgba(0,0,0,0.08);
  --shadow-lg: 0 32px 80px rgba(0,0,0,0.12);
}

/* ===== ANIMACIONES PREMIUM ===== */

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
  }
  50% {
    box-shadow: 0 0 60px rgba(139, 92, 246, 0.6);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ===== BASE & TYPOGRAPHY ===== */

.pvpc-obs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 32px 140px;
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--obs-text);
  position: relative;
  background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

/* ===== NAVEGACIÓN PREMIUM ===== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(var(--bg-rgb, 10, 10, 12), 0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--obs-border);
  height: 80px;
  display: flex;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.light-mode .site-nav {
  background: rgba(255, 255, 255, 0.85);
}

.site-nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--obs-text) !important;
  transition: all 0.3s ease;
}

.brand:hover {
  transform: translateY(-2px);
}

.brand .logo {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand:hover .logo {
  transform: rotate(-5deg) scale(1.1);
}

.brand__name {
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  background: var(--grad-purple-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand__sub {
  font-size: 0.75rem;
  color: var(--obs-muted);
  font-weight: 700;
  margin-top: -2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-nav__links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.site-nav__link {
  text-decoration: none;
  color: var(--obs-muted) !important;
  font-size: 0.95rem;
  font-weight: 700;
  transition: all 0.3s ease;
  position: relative;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  background: var(--grad-purple);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-nav__link:hover {
  color: var(--obs-text) !important;
}

.site-nav__link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.site-nav__link.is-active {
  color: var(--obs-text) !important;
}

.site-nav__link.is-active::after {
  transform: translateX(-50%) scaleX(1);
  background: var(--obs-accent);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

.site-nav__actions .btn {
  background: rgba(139, 92, 246, 0.1);
  color: var(--obs-text);
  border: 2px solid rgba(139, 92, 246, 0.2);
  padding: 10px 18px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-nav__actions .btn:hover {
  background: var(--grad-purple);
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

/* ===== HERO SECTION PREMIUM ===== */

.obs-hero {
  text-align: center;
  margin-bottom: 100px;
  animation: slideUpFade 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.obs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(99, 102, 241, 0.1));
  border: 2px solid rgba(139, 92, 246, 0.3);
  color: var(--obs-accent);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 32px;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.2);
  animation: pulse-glow 3s infinite;
}

.obs-hero h1 {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin-bottom: 32px;
  background: linear-gradient(180deg, var(--obs-text) 0%, var(--obs-muted) 120%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
}

.obs-lead {
  font-size: 1.35rem;
  line-height: 1.7;
  color: var(--obs-muted);
  max-width: 640px;
  margin: 0 auto;
  font-weight: 500;
}

/* ===== PANEL DE CONTROLES GLASSMORPHIC ===== */

.obs-hero__panel {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.obs-controls {
  display: inline-flex;
  gap: 20px;
  padding: 16px 32px;
  background: var(--obs-card);
  border: 2px solid rgba(139, 92, 246, 0.2);
  border-radius: 32px;
  box-shadow: var(--shadow-md), 0 0 60px rgba(139, 92, 246, 0.15);
  backdrop-filter: blur(20px) saturate(180%);
  margin: 0 auto;
  align-items: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.obs-controls:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 80px rgba(139, 92, 246, 0.25);
  border-color: rgba(139, 92, 246, 0.4);
}

.control {
  display: flex;
  align-items: center;
  gap: 14px;
}

.control label {
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--obs-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.select-wrapper::after {
  content: "▾";
  position: absolute;
  right: 16px;
  font-size: 1rem;
  color: var(--obs-accent);
  pointer-events: none;
  font-weight: 900;
  transition: transform 0.3s ease;
}

.select-wrapper:hover::after {
  transform: translateY(2px);
}

.control select {
  appearance: none;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(99, 102, 241, 0.05));
  border: 2px solid rgba(139, 92, 246, 0.2);
  color: var(--obs-text);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 48px 12px 20px;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 180px;
}

.control select option {
  background-color: var(--obs-bg);
  color: var(--obs-text);
  padding: 14px;
  font-weight: 600;
}

.light-mode .control select option {
  background-color: #fff;
  color: #000;
}

.control select:hover {
  border-color: var(--obs-accent);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(99, 102, 241, 0.1));
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.2);
}

.control select:focus {
  outline: none;
  border-color: var(--obs-accent);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
  transform: translateY(-2px);
}

/* ===== KPI CARDS PREMIUM CON BENTO GRID ===== */

.kpis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  perspective: 1200px;
}

.kpi {
  background: linear-gradient(145deg, var(--obs-card) 0%, rgba(139, 92, 246, 0.02) 100%);
  border: 2px solid rgba(139, 92, 246, 0.15);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  text-align: left;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  min-height: 180px;
  animation: scaleIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.kpi:nth-child(1) { animation-delay: 0.1s; }
.kpi:nth-child(2) { animation-delay: 0.2s; }
.kpi:nth-child(3) { animation-delay: 0.3s; }
.kpi:nth-child(4) { animation-delay: 0.4s; }
.kpi:nth-child(5) { animation-delay: 0.5s; }

.kpi::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.kpi::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(139, 92, 246, 0.03), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

.kpi:hover {
  transform: translateY(-12px) scale(1.03) rotateX(2deg);
  box-shadow: var(--shadow-glow-lg), var(--shadow-lg);
  border-color: var(--obs-accent);
}

.kpi:hover::before {
  opacity: 1;
}

.kpi:hover::after {
  top: -100%;
  right: -100%;
}

.kpi__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.kpi__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  color: var(--obs-muted);
  line-height: 1.4;
}

.kpi__icon {
  color: var(--obs-accent);
  opacity: 0.9;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(99, 102, 241, 0.1));
  padding: 10px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

.kpi:hover .kpi__icon {
  background: var(--obs-accent);
  color: white;
  transform: rotate(-12deg) scale(1.1);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.5);
}

.kpi__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  z-index: 1;
}

.kpi__value {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, var(--obs-text) 20%, var(--obs-muted) 120%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.kpi__sub {
  font-size: 0.9rem;
  color: var(--obs-muted);
  font-weight: 600;
  opacity: 0.85;
  line-height: 1.4;
}

/* ===== NAVEGACIÓN FLOTANTE PREMIUM ===== */

.obs-subnav {
  position: sticky;
  top: 100px;
  z-index: 100;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  margin: 0 auto 80px;
  background: rgba(20, 20, 25, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  border-radius: 999px;
  width: fit-content;
  border: 2px solid rgba(255,255,255,0.1);
  box-shadow: 0 24px 56px -12px rgba(0,0,0,0.35), 0 0 40px rgba(139, 92, 246, 0.15);
  transition: all 0.3s ease;
}

.obs-subnav:hover {
  box-shadow: 0 32px 72px -12px rgba(0,0,0,0.45), 0 0 60px rgba(139, 92, 246, 0.25);
}

.light-mode .obs-subnav {
  background: rgba(255,255,255,0.8);
  border-color: rgba(0,0,0,0.08);
}

.obs-subnav a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 999px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.light-mode .obs-subnav a {
  color: rgba(0,0,0,0.6);
}

.obs-subnav a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.obs-subnav a:hover {
  color: white;
}

.obs-subnav a:hover::before {
  opacity: 1;
}

.light-mode .obs-subnav a:hover {
  color: black;
}

.obs-subnav a.is-active {
  background: var(--grad-purple);
  color: white;
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4), inset 0 1px 0 rgba(255,255,255,0.2);
}

/* ===== SECCIONES Y CARDS PREMIUM ===== */

.obs-section {
  margin-bottom: 120px;
  scroll-margin-top: 140px;
  animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.obs-section:nth-of-type(1) { animation-delay: 0.2s; }
.obs-section:nth-of-type(2) { animation-delay: 0.3s; }
.obs-section:nth-of-type(3) { animation-delay: 0.4s; }

.obs-section__head {
  text-align: center;
  margin-bottom: 48px;
}

.obs-section__head h2 {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--obs-text) 0%, var(--obs-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.obs-card {
  background: linear-gradient(145deg, var(--obs-card) 0%, rgba(139, 92, 246, 0.02) 100%);
  border: 2px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.obs-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-purple);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.obs-card:hover {
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(139, 92, 246, 0.15);
}

.obs-card:hover::before {
  opacity: 1;
}

/* ===== CHART CONTROLS ===== */

.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.chart-title h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.micro {
  font-size: 0.85rem;
}

.muted {
  color: var(--obs-muted);
  opacity: 0.9;
}

.segmented {
  background: rgba(139, 92, 246, 0.05);
  padding: 6px;
  border-radius: 16px;
  border: 2px solid rgba(139, 92, 246, 0.15);
  display: flex;
  gap: 4px;
}

.segmented__btn {
  border: none;
  background: transparent;
  padding: 8px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--obs-muted);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
}

.segmented__btn:hover {
  color: var(--obs-text);
  background: rgba(139, 92, 246, 0.08);
}

.segmented__btn.is-active {
  background: var(--grad-purple);
  color: white;
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3), inset 0 1px 0 rgba(255,255,255,0.2);
}

.chart-wrap {
  height: 420px;
  padding: 20px 0;
  filter: drop-shadow(0 12px 32px rgba(139, 92, 246, 0.12));
  transition: filter 0.3s ease;
}

.obs-card:hover .chart-wrap {
  filter: drop-shadow(0 16px 48px rgba(139, 92, 246, 0.2));
}

/* ===== INSIGHTS CARDS ===== */

.insights-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.insight {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(99, 102, 241, 0.05));
  border: 2px solid rgba(139, 92, 246, 0.2);
  padding: 28px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.insight::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-shine);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.insight:hover {
  transform: translateY(-4px);
  border-color: var(--obs-accent);
  box-shadow: 0 12px 32px rgba(139, 92, 246, 0.25);
}

.insight:hover::before {
  opacity: 1;
}

.insight__k {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--obs-accent);
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.insight__l {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--obs-muted);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}

/* ===== CALLOUT BOX ===== */

.callout {
  margin-top: 40px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.15), rgba(99, 102, 241, 0.08), transparent);
  border-left: 5px solid var(--obs-accent);
  padding: 28px 32px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--obs-text);
  font-size: 1.1rem;
  line-height: 1.6;
  box-shadow: var(--shadow-xs);
  transition: all 0.3s ease;
}

.callout:hover {
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.callout strong {
  color: var(--obs-accent);
  font-weight: 800;
}

/* ===== COMPARATIVA GRID ===== */

.compare-grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 40px;
  align-items: start;
}

.compare-controls h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.year-chips {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ===== FAQ PREMIUM ===== */

.faq {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq details {
  background: transparent;
  border-bottom: 2px solid rgba(139, 92, 246, 0.1);
  border-radius: 0;
  padding: 28px 0;
  transition: all 0.3s ease;
}

.faq details:hover {
  border-bottom-color: rgba(139, 92, 246, 0.3);
}

.faq details[open] {
  border-bottom-color: var(--obs-accent);
}

.faq summary {
  font-size: 1.2rem;
  font-weight: 800;
  opacity: 0.85;
  transition: all 0.3s ease;
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '▾';
  font-size: 1.2rem;
  color: var(--obs-accent);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq details[open] summary::after {
  transform: rotate(180deg);
}

.faq summary:hover {
  opacity: 1;
  color: var(--obs-accent);
}

.faq__body {
  padding: 20px 0 8px;
  color: var(--obs-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== FOOTER ===== */

.obs-footer {
  text-align: center;
  padding: 60px 0 40px;
  border-top: 2px solid rgba(139, 92, 246, 0.1);
  margin-top: 100px;
}

.obs-footer .micro {
  font-size: 0.9rem;
  line-height: 1.6;
}

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

@media (max-width: 1024px) {
  .compare-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .year-chips {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 900px) {
  .kpis-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .insights-row {
    grid-template-columns: 1fr;
  }

  .site-nav__links {
    gap: 16px;
  }

  .site-nav__link {
    font-size: 0.85rem;
  }
}

@media (max-width: 700px) {
  html, body {
    max-width: 100vw;
    overflow-x: hidden;
  }

  .pvpc-obs {
    padding: 100px 16px 80px;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .obs-hero {
    margin-bottom: 40px;
  }

  .obs-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    word-wrap: break-word;
  }

  .obs-lead {
    font-size: 1rem;
  }

  .kpis-grid {
    grid-template-columns: 1fr;
  }

  .obs-card {
    padding: 24px 16px;
  }

  .obs-controls {
    flex-direction: column;
    width: 100%;
    border-radius: 20px;
    padding: 16px;
  }

  .control {
    width: 100%;
  }

  .control select {
    width: 100%;
  }

  .site-nav__links {
    display: none;
  }

  .chart-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .chart-wrap {
    height: 280px;
  }

  .obs-section__head h2 {
    font-size: 1.8rem;
  }

  .obs-subnav {
    width: calc(100% - 8px);
    max-width: 100%;
    margin-bottom: 40px;
    padding: 6px;
    overflow-x: auto;
    white-space: nowrap;
    justify-content: flex-start;
    scrollbar-width: none; /* Firefox */
  }

  .obs-subnav::-webkit-scrollbar {
    display: none; /* Safari and Chrome */
  }

  .obs-subnav a {
    padding: 8px 16px;
    font-size: 0.8rem;
    flex-shrink: 0;
  }
}