:root {
  --bg: #f8f9fc;
  --surface: #ffffff;
  --ink: #0c0d12;
  --muted: #5b6472;
  --dim: #8b95a5;
  --line: rgba(12, 13, 18, 0.1);
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --accent-glow: rgba(79, 70, 229, 0.35);
  --cyan: #06b6d4;
  --wa: #25d366;
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "Instrument Serif", Georgia, serif;
  --max: 1120px;
  --radius: 14px;
  --ls-accent: var(--accent);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 12px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { left: 16px; top: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 249, 252, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}
.logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.logo span { color: var(--muted); font-weight: 500; }
.nav-mini {
  display: none;
  gap: 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
}
.nav-mini a { color: var(--muted); text-decoration: none; }
.nav-mini a:hover { color: var(--ink); }
@media (min-width: 768px) { .nav-mini { display: flex; } }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn--primary:hover { background: #4338ca; }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn--block { width: 100%; }

/* Hero dark */
.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: 3.5rem 0 4rem;
  color: #fff;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(79, 70, 229, 0.45), transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(6, 182, 212, 0.2), transparent 50%),
    linear-gradient(165deg, #0c0d12 0%, #15172a 48%, #1a1d35 100%);
}
.hero .hero-aurora { z-index: 0; }
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1fr 1.05fr; gap: 3rem; }
}

.hero .landing-eyebrow { color: rgba(255, 255, 255, 0.65); }
.hero .landing-lead,
.hero .landing-hero-note { color: rgba(255, 255, 255, 0.78); }
.hero .landing-hero-note strong { color: #fff; }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  max-width: 14ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}
.hero__actions .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
}
.hero__actions .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}
.trust-strip span {
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

/* Inbox demo */
.inbox-demo {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  box-shadow:
    0 32px 64px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
  overflow: hidden;
  color: var(--ink);
  min-height: 360px;
  display: grid;
  grid-template-columns: 72px 1fr;
}
.inbox-demo__rail {
  padding: 12px 8px;
  background: #f1f3f9;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.channel-dot {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 0.65rem;
  font-weight: 800;
  color: #fff;
}
.channel-dot--wa { background: var(--wa); }
.channel-dot--ig { background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af); }
.channel-dot--fb { background: #1877f2; }
.channel-dot--mail { background: #64748b; }
.channel-dot.is-active { outline: 2px solid var(--accent); outline-offset: 2px; }

.inbox-demo__main { display: flex; flex-direction: column; min-width: 0; }
.inbox-demo__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}
.inbox-demo__top strong { font-size: 0.9rem; }
.inbox-demo__top span { color: var(--muted); }

.inbox-thread {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.thread-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.45;
  opacity: 0;
  transform: translate3d(0, 12px, 0);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.thread-msg.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
.thread-msg--in {
  align-self: flex-start;
  background: #f1f3f9;
  border-bottom-left-radius: 4px;
}
.thread-msg--out {
  align-self: flex-end;
  background: var(--accent-soft);
  color: var(--ink);
  border-bottom-right-radius: 4px;
}
.thread-msg--ai {
  align-self: flex-start;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(79, 70, 229, 0.2);
}
.thread-msg__meta {
  display: block;
  margin-top: 6px;
  font-size: 0.68rem;
  color: var(--dim);
  font-weight: 600;
}
.thread-msg--call {
  align-self: center;
  max-width: 100%;
  text-align: center;
  background: transparent;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  padding: 8px;
}

/* Marquee canales */
.channels-band {
  padding: 1.25rem 0;
  border-block: 1px solid var(--line);
  background: var(--surface);
}
.channels-band__label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 1rem;
}

.channels-band .motion-marquee__item {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  margin-right: 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

/* Sections */
.section {
  padding: 4rem 0;
}
.section--alt {
  background: var(--surface);
  border-block: 1px solid var(--line);
}
.section__num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}
.section h2,
.landing-section-head h2,
.pillar h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.section__lead,
.landing-lead {
  color: var(--muted);
  max-width: 40rem;
  margin: 0;
  font-size: 1.05rem;
}

.pain-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 720px) {
  .pain-grid { grid-template-columns: repeat(3, 1fr); }
}
.pain-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.pain-card__icon { font-size: 1.4rem; margin-bottom: 0.75rem; }
.pain-card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.pain-card p { margin: 0; font-size: 0.92rem; color: var(--muted); }

/* Pilares Capture / Convert / Retain */
.pillars {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 900px) {
  .pillars { grid-template-columns: repeat(3, 1fr); }
}
.pillar {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.pillar__tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
}
.pillar h3 { margin: 0 0 0.65rem; font-size: 1.1rem; }
.pillar p { margin: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.55; }
.pillar ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.pillar li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.pillar li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Thread feature */
.thread-feature {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-top: 2rem;
}
@media (min-width: 900px) {
  .thread-feature { grid-template-columns: 1fr 1fr; }
}
.thread-feature__visual {
  padding: 1.5rem;
  background: linear-gradient(145deg, #0c0d12, #1a1d35);
  border-radius: var(--radius);
  color: #fff;
}
.thread-lanes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lane {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.85rem;
}
.lane__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 800;
}
.lane--wa .lane__icon { background: var(--wa); }
.lane--mail .lane__icon { background: #64748b; }
.lane--call .lane__icon { background: var(--accent); }
.lane p { margin: 0; color: rgba(255, 255, 255, 0.75); line-height: 1.45; }
.lane strong { color: #fff; display: block; margin-bottom: 2px; }

/* AI grid */
.ai-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 720px) {
  .ai-grid { grid-template-columns: repeat(3, 1fr); }
}
.ai-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.ai-card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.ai-card p { margin: 0; font-size: 0.9rem; color: var(--muted); }

/* Metrics */
.metrics-row {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  text-align: center;
}
@media (min-width: 640px) {
  .metrics-row { grid-template-columns: repeat(3, 1fr); }
}
.metric-box {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
}
.metric-box strong {
  display: block;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.metric-box span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Packages */
.packages {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
@media (min-width: 800px) {
  .packages { grid-template-columns: repeat(3, 1fr); }
}
.package-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.package-card--featured {
  border-color: var(--accent);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.package-card h3 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.package-card .package__price {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1rem;
}
.package-card ul {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  flex: 1;
  font-size: 0.88rem;
  color: var(--muted);
}
.package-card li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--line);
}
.package-card li:last-child { border-bottom: none; }

/* Form */
.consult-section {
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--bg), var(--surface));
}
.consult-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .consult-grid { grid-template-columns: 1fr 1.1fr; align-items: start; }
}
.lead-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.lead-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}
.lead-form input,
.lead-form select,
.lead-form textarea {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
}
.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}
.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}
.form-status { margin: 0; font-size: 0.88rem; }
.form-status.is-ok { color: #0d7a4e; }
.form-status.is-error { color: #b42318; }
.form-note { margin: 0; font-size: 0.8rem; color: var(--dim); }

.demo-checklist {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}
.demo-checklist li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.demo-checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  padding: 2rem 0 3rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.site-footer a { color: var(--accent); font-weight: 600; }

.landing-flow .landing-cost.container {
  margin-block: 3rem;
}

@media (max-width: 767px) {
  .header-cta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .thread-msg {
    opacity: 1;
    transform: none;
    transition: none;
  }
}