/* ═══════════════════════ Botea — tema oscuro tech ═══════════════════════ */

:root {
  --bg: #05070f;
  --bg-soft: #0a0e1c;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf8;
  --text-dim: #b7bfd8;   /* ~11:1 sobre --bg: supera 4.5:1 holgado */
  --accent: #22d3ee;      /* cyan — marca/producto */
  --accent-2: #a78bfa;    /* violeta — marca/producto */
  --accent-3: #34d399;    /* verde — SOLO acciones de contacto */
  --wa: #25d366;
  --radius: 18px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(34, 211, 238, 0.35); }

/* ── Fondo animado ─────────────────────────────────────────── */
#neural-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  opacity: 0.55;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -3;
  pointer-events: none;
}
.bg-glow-1 {
  width: 45vw; height: 45vw;
  top: -15vw; right: -10vw;
  background: rgba(34, 211, 238, 0.13);
  animation: drift 22s ease-in-out infinite alternate;
}
.bg-glow-2 {
  width: 40vw; height: 40vw;
  bottom: -12vw; left: -12vw;
  background: rgba(167, 139, 250, 0.12);
  animation: drift 26s ease-in-out infinite alternate-reverse;
}
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(6vw, 4vw) scale(1.15); }
}

/* ── Glass ─────────────────────────────────────────────────── */
.glass {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ── Botones ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #05070f;
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 32px rgba(34, 211, 238, 0.5); }

.btn-ghost {
  color: var(--text);
  border-color: var(--surface-border);
  background: var(--surface);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.09); }

.btn-whatsapp {
  background: rgba(37, 211, 102, 0.14);
  border-color: rgba(37, 211, 102, 0.45);
  color: var(--wa);
}
.btn-whatsapp:hover { background: rgba(37, 211, 102, 0.24); box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25); }

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 16px clamp(20px, 5vw, 56px);
  background: rgba(5, 7, 15, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--surface-border); }

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo-icon { color: var(--accent); margin-right: 4px; }
.nav-logo-dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-burger span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: stretch;   /* el chat se estira a la altura del hero-text */
  gap: clamp(32px, 5vw, 72px);
  padding: 120px clamp(20px, 5vw, 56px) 60px;
  max-width: 1280px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 22px;
  background: rgba(34, 211, 238, 0.06);
}

.hero-text {
  display: flex;
  flex-direction: column;
}

.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5); }
  50%      { box-shadow: 0 0 0 7px rgba(34, 211, 238, 0); }
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 5.2vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.grad-text {
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  color: var(--text-dim);
  font-size: 1.06rem;
  max-width: 52ch;
  margin-bottom: 30px;
}
.hero-sub strong { color: var(--text); }

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-hint {
  margin-top: auto;      /* empuja la nota al fondo: queda nivelada con .chat-note */
  padding-top: 26px;     /* separación mínima cuando no hay espacio libre (móvil) */
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  opacity: 0.8;
}

/* ── Chat ──────────────────────────────────────────────────── */
.chat-wrap {
  scroll-margin-top: 90px;
  display: flex;
  flex-direction: column;
}

.chat {
  display: flex;
  flex-direction: column;
  flex: 1;              /* desktop: rellena la altura del wrap (= altura del hero) */
  min-height: 0;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(34, 211, 238, 0.06);
  position: relative;
}
.chat::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  padding: 1px;
  background: linear-gradient(140deg, rgba(34, 211, 238, 0.5), transparent 30%, transparent 70%, rgba(167, 139, 250, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.02);
}

.chat-avatar {
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #05070f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.4);
}

.chat-header-info { display: flex; flex-direction: column; line-height: 1.25; }
.chat-header-info strong { font-family: var(--font-display); font-size: 1rem; }
.chat-status { font-size: 0.75rem; color: var(--text-dim); display: flex; align-items: center; gap: 5px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }

.chat-header-wa {
  margin-left: auto;
  color: var(--wa);
  padding: 8px;
  border-radius: 10px;
  transition: background 0.2s;
  display: grid;
  place-items: center;
}
.chat-header-wa:hover { background: rgba(37, 211, 102, 0.12); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 3px; }

.msg {
  max-width: 85%;
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  animation: msg-in 0.3s ease both;
}
@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--surface-border);
  border-bottom-left-radius: 4px;
}

.msg-user {
  align-self: flex-end;
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.22), rgba(167, 139, 250, 0.22));
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-bottom-right-radius: 4px;
}

.msg-error {
  align-self: center;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fca5a5;
  font-size: 0.85rem;
  text-align: center;
}

.msg-typing { display: inline-flex; gap: 5px; padding: 14px 16px; }
.msg-typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: typing-bounce 1.2s ease-in-out infinite;
}
.msg-typing span:nth-child(2) { animation-delay: 0.15s; }
.msg-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.chat-chips {
  display: flex;
  gap: 8px;
  padding: 0 14px 10px;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.07);
  border: 1px solid rgba(34, 211, 238, 0.28);
  border-radius: 999px;
  padding: 6px 13px;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.chip:hover { background: rgba(34, 211, 238, 0.16); transform: translateY(-1px); }
.chip:disabled { opacity: 0.4; cursor: default; transform: none; }

.chat-input {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-top: 1px solid var(--surface-border);
  background: rgba(255, 255, 255, 0.02);
}
.chat-input input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border);
  border-radius: 999px;
  padding: 11px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.chat-input input:focus {
  border-color: rgba(34, 211, 238, 0.5);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.chat-input input::placeholder { color: var(--text-dim); }

.chat-input button {
  width: 44px; height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: #05070f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.chat-input button:hover { transform: scale(1.08); box-shadow: 0 0 18px rgba(34, 211, 238, 0.45); }
.chat-input button:disabled { opacity: 0.45; cursor: default; transform: none; box-shadow: none; }

.chat-note {
  margin-top: 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  opacity: 0.75;
}

/* ── Secciones ─────────────────────────────────────────────── */
.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(70px, 10vw, 120px) clamp(20px, 5vw, 56px);
  scroll-margin-top: 60px;
}

.section-tag {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-dim);
  margin-top: 14px;
  max-width: 60ch;
}

.grid { display: grid; gap: 20px; margin-top: 44px; }
.cards-grid { grid-template-columns: repeat(2, 1fr); }
.usecases-grid { grid-template-columns: repeat(3, 1fr); }

.card {
  padding: 28px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 24px rgba(34, 211, 238, 0.07);
}
.card-icon {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 12px;
}
.card h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 8px; }
.card p { color: var(--text-dim); font-size: 0.92rem; }
.card-tag {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-2);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: 999px;
  padding: 4px 11px;
  background: rgba(167, 139, 250, 0.06);
}

.usecase {
  padding: 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.usecase:hover {
  transform: translateY(-4px);
  border-color: rgba(167, 139, 250, 0.45);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35), 0 0 22px rgba(167, 139, 250, 0.1);
}
.usecase-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  margin-bottom: 10px;
}
.usecase-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-2);
}
.usecase h3 { font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 6px; }
.usecase p { color: var(--text-dim); font-size: 0.88rem; }

/* ── Contacto ──────────────────────────────────────────────── */
.contact-box {
  text-align: center;
  padding: clamp(44px, 7vw, 80px) clamp(24px, 5vw, 60px);
  position: relative;
  overflow: hidden;
}
.contact-box::before {
  content: "";
  position: absolute;
  top: -60%; left: 50%;
  width: 70%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(34, 211, 238, 0.12), transparent 70%);
  pointer-events: none;
}
.contact-box .section-sub { margin-left: auto; margin-right: auto; }
.contact-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 26px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--surface-border);
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-mono { font-family: var(--font-mono); font-size: 0.75rem; opacity: 0.7; }
.footer a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 3px; }
.footer a:hover { color: var(--accent); }

/* ── Página legal (/privacidad) ────────────────────────────── */
.legal .section { max-width: 760px; margin: 0 auto; }
.legal h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin-bottom: 8px;
}
.legal-version {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 36px;
}
.legal h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--accent);
  margin: 28px 0 10px;
}
.legal p, .legal li { color: var(--text-dim); font-size: 0.95rem; }
.legal ul { padding-left: 22px; margin: 8px 0; }
.legal li { margin-bottom: 6px; }
.legal a { color: var(--accent); }

/* ── Reveal base (GSAP anima desde acá) ────────────────────── */
.reveal { will-change: transform, opacity; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 104px;
    gap: 40px;
    min-height: unset;
  }
  /* Alineación consistente: todo a la izquierda salvo el cierre (Contacto) */
  .hero-ctas { justify-content: flex-start; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
  .usecases-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: 62px; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(5, 7, 15, 0.97);
    border: 1px solid var(--surface-border);
    border-radius: 0 0 0 16px;
    padding: 8px 0;
    transform: translateX(110%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { padding: 12px 28px; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; margin-left: auto; }
  .cards-grid, .usecases-grid { grid-template-columns: 1fr; }
  .chat { max-height: min(520px, 68svh); }
  .footer { justify-content: center; text-align: center; }
}

/* ── Accesibilidad: menos movimiento ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  #neural-bg { display: none; }
}