:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  --purple: #7c3aed;
  --purple-dark: #5b21b6;
  --cyan: #22d3ee;
  --cyan-dark: #0891b2;
  --bg: #07070c;
  --bg-elevated: #12121c;
  --bg-card: #181824;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --gradient: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 100%);
  --max-width: 1120px;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--purple);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 7, 12, 0.85);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }
.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}
.site-nav a:hover { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

/* Layout */
.page-main { padding-bottom: 64px; }

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}
.section-tight { padding: 48px 0; }

.section-head {
  margin-bottom: 40px;
  max-width: 640px;
}
.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -0.02em;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hero */
.hero {
  padding: 56px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero-xl {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding: 48px 0 64px;
}
.hero-glow {
  position: absolute;
  inset: -30% -10% auto;
  height: 70vh;
  background:
    radial-gradient(ellipse at 25% 30%, rgba(124, 58, 237, 0.35), transparent 55%),
    radial-gradient(ellipse at 75% 20%, rgba(34, 211, 238, 0.22), transparent 50%);
  animation: heroGlow 12s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes heroGlow {
  0% { opacity: 0.85; transform: scale(1) translateY(0); }
  100% { opacity: 1; transform: scale(1.05) translateY(-2%); }
}
.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 480px;
  background: radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.25), transparent 60%),
              radial-gradient(ellipse at 70% 10%, rgba(34, 211, 238, 0.15), transparent 55%);
  pointer-events: none;
}
.hero-xl::before { display: none; }
.hero-tagline {
  margin: -8px 0 20px;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-xl h1 {
  font-size: clamp(2.25rem, 7vw, 3.75rem);
}
.hero-grid {
  position: relative;
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero .lead {
  margin: 0 0 32px;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 34em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 14px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hero-visual {
  display: flex;
  justify-content: center;
}
.phone-mock {
  width: min(100%, 280px);
  padding: 12px;
  background: var(--bg-card);
  border-radius: 36px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.phone-mock img {
  border-radius: 26px;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  width: 100%;
  background: var(--bg-elevated);
}
.phone-mock-hero {
  width: min(100%, 300px);
  transform: rotate(-2deg);
  box-shadow: 0 32px 100px rgba(124, 58, 237, 0.25), 0 24px 80px rgba(0, 0, 0, 0.5);
}
@media (min-width: 900px) {
  .phone-mock-hero { transform: rotate(-3deg) translateY(8px); }
}

/* Value strip */
.value-strip {
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
  padding: 20px 0;
}
.value-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.value-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(124, 58, 237, 0.35);
  background: rgba(124, 58, 237, 0.08);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  animation: chipPulse 4s ease-in-out infinite;
}
.value-chip:nth-child(2) { animation-delay: 0.6s; }
.value-chip:nth-child(3) { animation-delay: 1.2s; }
@keyframes chipPulse {
  0%, 100% { border-color: rgba(124, 58, 237, 0.35); }
  50% { border-color: rgba(34, 211, 238, 0.5); }
}

/* Marquee */
.marquee-wrap {
  overflow: hidden;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: 20px;
  width: max-content;
  animation: marquee 28s linear infinite;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.marquee-track span:nth-child(odd) { color: var(--muted); }
.marquee-track span:nth-child(even) {
  color: rgba(124, 58, 237, 0.6);
  font-weight: 400;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Pilar grid (5 pilares) */
.pilar-grid {
  display: grid;
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
.pilar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 32px);
  transition: border-color 0.25s, transform 0.25s;
}
.pilar-card:hover {
  border-color: rgba(124, 58, 237, 0.4);
  transform: translateY(-2px);
}
.pilar-card-accent {
  border-color: rgba(34, 211, 238, 0.25);
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.05), rgba(124, 58, 237, 0.08));
}
.pilar-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.pilar-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
}
.pilar-card h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}
.pilar-lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}
.pilar-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
}
.pilar-bullets li {
  position: relative;
  padding: 10px 0 10px 22px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  border-top: 1px solid var(--border);
}
.pilar-bullets li:first-child { border-top: 0; padding-top: 0; }
.pilar-bullets li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
}
.pilar-link {
  margin: 20px 0 0;
  text-align: center;
}
.shot-grid-six {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
@media (min-width: 768px) {
  .shot-grid-six { grid-template-columns: repeat(3, 1fr); }
}

/* Bento grid (legacy pages) */
.bento-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .bento-grid { grid-template-columns: repeat(3, 1fr); }
}
.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.bento-card:hover {
  border-color: rgba(124, 58, 237, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
@media (min-width: 960px) {
  .bento-wide { grid-column: span 2; }
}
.bento-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.bento-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.bento-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Assistant section */
.section-assistant {
  background: linear-gradient(180deg, transparent, rgba(124, 58, 237, 0.06) 50%, transparent);
}
.assistant-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .assistant-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.assistant-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.assistant-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--muted);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}
.assistant-list li:last-child { border-bottom: 0; }
.assistant-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.assistant-visual {
  display: flex;
  justify-content: center;
}

/* Privacy section */
.section-privacy { padding-top: 48px; }
.privacy-panel {
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 24px;
  padding: clamp(24px, 5vw, 48px);
  background: linear-gradient(145deg, rgba(34, 211, 238, 0.06), rgba(124, 58, 237, 0.08));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.privacy-grid {
  display: grid;
  gap: 24px;
  margin-top: 8px;
}
@media (min-width: 768px) {
  .privacy-grid { grid-template-columns: repeat(3, 1fr); }
}
.privacy-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.privacy-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
}
.privacy-item h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}
.privacy-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}
.privacy-link {
  margin: 32px 0 0;
  text-align: center;
}

/* CTA final */
.cta-final {
  text-align: center;
}
.cta-final h2 { margin-bottom: 12px; }
.cta-final p {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 28px;
}
.cta-final .cta-row { justify-content: center; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow, .value-chip { animation: none; }
}

/* Demo video */
.demo-video-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  max-width: 880px;
  margin: 0 auto;
}
.demo-video-wrap video {
  width: 100%;
  display: block;
  background: #000;
  aspect-ratio: 16 / 9;
}
.demo-video-wrap.is-placeholder::after {
  content: "Vídeo demo pendiente — exporta demo.mp4 desde el simulador";
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}
.demo-video-wrap.is-placeholder video { display: none; }

/* Screenshot gallery */
.shot-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.shot-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 12px;
  transition: border-color 0.2s;
}
.shot-frame:hover { border-color: rgba(124, 58, 237, 0.4); }
.shot-frame img {
  border-radius: 14px;
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  width: 100%;
  background: var(--bg-elevated);
}
.shot-caption {
  margin: 12px 4px 4px;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}
.shot-frame.is-placeholder img { opacity: 0.15; }
.shot-frame.is-placeholder .shot-caption { color: var(--cyan); }

/* Features */
.feature-grid {
  display: grid;
  gap: 20px;
}
@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  margin-bottom: 16px;
}

/* Legal / prose pages */
.prose-page { padding: 48px 0 72px; }
.prose-page h1 {
  margin: 0 0 8px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}
.prose-page .updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}
.prose {
  max-width: 720px;
}
.prose h2 {
  margin: 32px 0 12px;
  font-size: 1.15rem;
  color: var(--text);
}
.prose p, .prose li {
  color: var(--muted);
  font-size: 0.95rem;
}
.prose ul { padding-left: 1.25rem; }
.prose a { color: var(--cyan); }

/* Blog */
.blog-list { list-style: none; padding: 0; margin: 0; }
.blog-list li {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.blog-list a {
  color: var(--text);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
}
.blog-list a:hover { color: var(--cyan); }
.blog-meta {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 6px;
}
.blog-article .prose h2 { margin-top: 40px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-elevated);
}
.footer-grid {
  display: grid;
  gap: 32px;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}
.footer-brand p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 28em;
}
.footer-col h4 {
  margin: 0 0 12px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: var(--text);
  font-size: 0.9rem;
  text-decoration: none;
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

/* FAQ (support) */
.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 12px;
  background: var(--bg-card);
}
.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 12px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s, opacity 0.2s;
  }
  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-nav a {
    padding: 12px 8px;
    border-radius: 8px;
  }
}