:root {
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --transition-fast: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-medium: 220ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 320ms cubic-bezier(0.25, 0.8, 0.25, 1);

  --day-bg: linear-gradient(180deg, #eef4ff 0%, #f8fafc 220px, #f5f7fb 100%);
  --day-surface: #ffffff;
  --day-surface-strong: #ffffff;
  --day-text: #111827;
  --day-subtext: #6b7280;
  --day-border: rgba(219, 227, 238, 0.95);
  --day-accent: #2563eb;
  --day-accent-2: #7c3aed;

  --night-bg-from: #0b1223;
  --night-bg-to: #0f172a;
  --night-surface: rgba(17, 24, 39, 0.96);
  --night-surface-strong: rgba(23, 32, 51, 0.98);
  --night-text: #edf2ff;
  --night-subtext: #aab8cf;
  --night-border: rgba(34, 48, 74, 0.96);
  --night-accent: #7aa2ff;
  --night-accent-2: #a855f7;

  --bg-body: var(--day-bg);
  --bg-surface: var(--day-surface);
  --bg-surface-strong: var(--day-surface-strong);
  --text-main: var(--day-text);
  --text-subtle: var(--day-subtext);
  --border-subtle: var(--day-border);
  --accent-main: var(--day-accent);
  --accent-secondary: var(--day-accent-2);
  --shadow-soft: 0 4px 4px rgba(15, 23, 42, 0.08);
  --shadow-strong: 0 12px 24px rgba(15, 23, 42, 0.12);
  --headerbar-bg: rgba(255, 255, 255, 0.92);
  --radius-xl: 28px;
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

html[data-theme="night"] {
  --bg-body: linear-gradient(180deg, #0b1223 0%, #121a2d 220px, #0f172a 100%);
  --bg-surface: rgba(17, 24, 39, 0.96);
  --bg-surface-soft: rgba(23, 32, 51, 0.96);
  --bg-surface-strong: rgba(23, 32, 51, 0.98);
  --text-main: #edf2ff;
  --text-subtle: #aab8cf;
  --border-subtle: rgba(34, 48, 74, 0.96);
  --accent-main: #7aa2ff;
  --accent-secondary: #a855f7;
  --shadow-soft: 0 20px 44px rgba(2, 6, 23, 0.42);
  --shadow-strong: 0 20px 34px rgba(2, 6, 23, 0.30);
  --headerbar-bg: rgba(17, 24, 39, 0.92);
}

@font-face {
  font-family: "MontserratLocal";
  src: url("../assets/fonts/Montserrat.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family-base);
  background: var(--bg-body);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background var(--transition-slow), color var(--transition-slow);
}

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

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

button,
input,
summary {
  font: inherit;
}

.shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
}

/* Header nuevo */
.headerbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 40;
  margin-top: 0;
  padding: 14px 18px;
  border-radius: 0 0 20px 20px;
  background: var(--headerbar-bg);
  border: 1px solid var(--border-subtle);
  border-top: 0 !important;
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium);
}

.back-btn {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-subtle);
  font-size: 0.92rem;
  font-weight: 600;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.back-btn:hover {
  color: var(--accent-main);
  transform: translateY(-50%) translateX(-2px);
}

.back-btn svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  min-width: 0;
  font-family: "MontserratLocal", sans-serif;
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.logo-stream {
  font-weight: 900;
}

.logo-hub {
  font-weight: 400;
}

.theme-toggle {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-strong);
  color: var(--text-subtle);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  transition:
    transform var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--accent-main);
  transform: translateY(calc(-50% - 1px));
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.22);
}

.theme-toggle-sun,
.theme-toggle-moon {
  position: absolute;
  font-size: 1rem;
  line-height: 1;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

html[data-theme="night"] .theme-toggle-sun {
  opacity: 1;
  transform: scale(1);
}

html[data-theme="night"] .theme-toggle-moon {
  opacity: 0;
  transform: scale(0.85);
}

html[data-theme="day"] .theme-toggle-sun {
  opacity: 0;
  transform: scale(0.85);
}

html[data-theme="day"] .theme-toggle-moon {
  opacity: 1;
  transform: scale(1);
}

.status-strip {
  padding: 30px 0 8px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.status-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  border-radius: 24px;
  padding: 18px 18px 16px;
  min-width: 0;
  transition:
    background var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    transform var(--transition-fast);
}

.status-card-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  margin-bottom: 5px;
}

.status-kicker {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.status-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.status-copy {
  margin: 0;
  text-align: center;
  color: var(--text-subtle);
  font-size: 0.8rem;
  line-height: 1.3;
}

.status-pulse {
  --status-dot-color: var(--accent-main);
  --status-dot-glow: rgba(59, 125, 216, 0.28);
  position: relative;
  width: 14px;
  height: 14px;
  margin: 10px;
}

.status-pulse .pulse-dot,
.status-pulse .pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 999px;
}

.status-pulse .pulse-dot {
  background: var(--status-dot-color);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--status-dot-color) 24%, transparent);
}

.status-pulse .pulse-ring {
  background: var(--status-dot-glow);
  transform: scale(1);
  opacity: 0;
  animation: statusPulseWave 2.55s ease-out infinite;
  will-change: transform, opacity;
}

.status-pulse .pulse-ring.ring2 {
  animation-delay: 0.28s;
}

.status-pulse .pulse-ring.ring3 {
  animation-delay: 0.56s;
}

@keyframes statusPulseWave {
  0% {
    transform: scale(1);
    opacity: 0;
  }
  18% {
    opacity: 0.75;
  }
  100% {
    transform: scale(3.4);
    opacity: 0;
  }
}

.pulse-state-1 {
  --status-dot-color: #22c55e;
  --status-dot-glow: rgba(34, 197, 94, 0.28);
}

.pulse-state-2 {
  --status-dot-color: #f59e0b;
  --status-dot-glow: rgba(245, 158, 11, 0.28);
}

.pulse-state-3 {
  --status-dot-color: #475569;
  --status-dot-glow: rgba(71, 85, 105, 0.3);
}

html[data-theme="night"] .pulse-state-1 {
  --status-dot-color: #4ade80;
  --status-dot-glow: rgba(74, 222, 128, 0.28);
}

html[data-theme="night"] .pulse-state-2 {
  --status-dot-color: #fbbf24;
  --status-dot-glow: rgba(251, 191, 36, 0.3);
}

html[data-theme="night"] .pulse-state-3 {
  --status-dot-color: #94a3b8;
  --status-dot-glow: rgba(148, 163, 184, 0.24);
}

.pulse-title-1 {
  color: #15803d;
}

.pulse-title-2 {
  color: #b45309;
}

.pulse-title-3 {
  color: #334155;
}

html[data-theme="night"] .pulse-title-1 {
  color: #86efac;
}

html[data-theme="night"] .pulse-title-2 {
  color: #fcd34d;
}

html[data-theme="night"] .pulse-title-3 {
  color: #cbd5e1;
}

.hero {
  padding: 42px 0 18px;
}

.hero-card,
.cta-card,
.info-card,
.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    transform var(--transition-fast);
}

.hero-card {
  padding: 34px;
  border-radius: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-card::before,
.cta-card::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 220px;
  height: 220px;
/*  background: radial-gradient(circle, color-mix(in srgb, var(--accent-main) 12%, transparent) 0, transparent 70%);*/
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent-main);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero-copy {
  width: min(100%, 980px);
  margin: 18px auto 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-subtle);
}

.hero-pills {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-pills span {
  padding: 10px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-main) 12%, transparent);
  color: var(--text-main);
  border: 1px solid color-mix(in srgb, var(--accent-main) 18%, var(--border-subtle));
  font-size: 0.95rem;
}

.faq-section {
  padding: 16px 0 10px;
}

.section-heading {
  max-width: 980px;
  margin: 0 auto 22px;
  text-align: center;
}

.section-heading h2,
.cta-card h2,
.info-card h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.section-heading p {
  margin: 12px 0 0;
  color: var(--text-subtle);
  line-height: 1.7;
}

.faq-list {
  max-width: none;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 22px;
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  transition: background var(--transition-fast), color var(--transition-fast);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-main) 12%, transparent);
  color: var(--accent-main);
  font-weight: 800;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item summary:hover {
  background: color-mix(in srgb, color-mix(in srgb, var(--accent-main) 12%, transparent) 42%, transparent);
}

.faq-content {
  padding: 0 24px 24px;
  color: var(--text-subtle);
  line-height: 1.75;
}

.faq-content p {
  margin: 0;
}

.faq-content code {
  padding: 0.15rem 0.45rem;
  border-radius: 8px;
  background: color-mix(in srgb, color-mix(in srgb, var(--accent-main) 12%, transparent) 50%, transparent);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.info-grid {
  padding: 26px 0 8px;
  display: grid;
  justify-items: center;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  width: 100%;
  border-radius: 24px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  transition:
    background var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    transform var(--transition-fast);
}

.info-card h3 {
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.info-card p {
  margin: 0;
  color: var(--text-subtle);
  line-height: 1.7;
}

.cta {
  padding: 26px 0 56px;
}

.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.cta-card p {
  margin: 10px 0 0;
  color: var(--text-subtle);
  line-height: 1.7;
  max-width: 980px;
}

.cta-button {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent-main), var(--accent-secondary));
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-fast), filter var(--transition-fast), box-shadow var(--transition-fast);
}

.cta-button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.22);
}

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 18px 0 28px;
  margin-top: 10px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--text-subtle);
}

.footer-inner p {
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: 18px;
}

.footer-nav a {
  color: var(--text-subtle);
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

.footer-inner,
.footer-nav,
.footer-inner p {
  white-space: nowrap;
}

@media (max-width: 900px) {
  .hero-card,
  .cta-card {
    padding: 24px;
  }

  .info-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  }

  .footer-inner,
  .footer-nav,
  .footer-inner p {
  white-space: nowrap;
}
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 24px, 1200px);
  }

  .headerbar {
    min-height: 64px;
    padding: 12px 14px;
  }

  .back-btn {
    left: 14px;
    font-size: 0.84rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .theme-toggle {
    right: 14px;
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .status-strip {
    padding-top: 22px;
  }

  .status-card {
    border-radius: 20px;
    padding: 16px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-card {
    border-radius: 22px;
    padding: 22px 18px;
  }

  .faq-item summary,
  .faq-content,
  .info-card,
  .cta-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .faq-item summary {
    padding-top: 18px;
    padding-bottom: 18px;
    padding-right: 56px;
  }

  .faq-content {
    padding-bottom: 20px;
  }

  .footer-nav {
    flex-wrap: nowrap;
  }

  .footer-inner,
  .footer-nav,
  .footer-inner p {
  white-space: nowrap;
}
}

.faq-content a,
.info-card p a,
.cta-card p a,
.hero-copy a,
.section-heading p a {
  color: var(--accent-main);
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: 1.5px;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.faq-content a:hover,
.info-card p a:hover,
.cta-card p a:hover,
.hero-copy a:hover,
.section-heading p a:hover {
  opacity: 0.82;
}


/* Cohesive polish */
.headerbar,
.status-card,
.hero-card,
.faq-item,
.info-card,
.cta-card,
.theme-toggle,
.cta-button {
  transition:
    background var(--transition-medium),
    color var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    transform var(--transition-fast);
}

.status-card:hover,
.info-card:hover,
.faq-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.10);
}

html[data-theme="night"] .status-card:hover,
html[data-theme="night"] .info-card:hover,
html[data-theme="night"] .faq-item:hover {
  box-shadow: 0 18px 34px rgba(2, 6, 23, 0.34);
}

.hero-card,
.cta-card,
.info-card,
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
}

.faq-item[open] summary {
  background: color-mix(in srgb, color-mix(in srgb, var(--accent-main) 12%, transparent) 24%, transparent);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
}

.section-heading p,
.status-copy,
.info-card p,
.cta-card p,
.footer-inner,
.footer-nav a {
  color: var(--text-subtle);
}

.faq-content a,
.info-card p a,
.cta-card p a,
.hero-copy a,
.section-heading p a {
  color: var(--accent-main);
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: 1.5px;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.faq-content a:hover,
.info-card p a:hover,
.cta-card p a:hover,
.hero-copy a:hover,
.section-heading p a:hover {
  opacity: 0.82;
}

@media (prefers-reduced-motion: reduce) {
  .status-card:hover,
  .info-card:hover,
  .faq-item:hover,
  .cta-button:hover,
  .theme-toggle:hover,
  .back-btn:hover {
    transform: none !important;
  }
}


.info-card,
.hero-card,
.status-card {
  border-radius: 24px;
}

.cta-button {
  border-radius: 18px;
}