/* ============================================================
   Landing Segundo Cerebro — tema CIELO (igual que la app):
   ☀️ día: celeste con nubes · 🌅 atardecer: naranja automático
   Tarjetas "globo" translúcidas, texto oscuro sólido y legible.
   ============================================================ */
:root {
  --cielo: linear-gradient(180deg, #7ec8f2 0%, #a9ddf9 45%, #ddf1fe 100%);
  --card: rgba(255, 255, 255, 0.55);
  --card2: rgba(255, 255, 255, 0.78);
  --text: #143a5e;
  --muted: #47698e;
  --line: rgba(255, 255, 255, 0.85);
  --accent: #3f76f2;
  --accent2: #22a8e6;
  --verde: #12985a;
  --amarillo: #b45309;
  --rojo: #e5484d;
  --azul: #0b6bcb;
  --on-accent: #ffffff;
  --glow: rgba(63, 118, 242, 0.5);
  --sombra: 0 14px 40px rgba(31, 80, 140, 0.18);
}
/* 🌆 Anochecer: un poco más oscuro que el atardecer, sin llegar a noche */
body[data-tema="noche"] {
  --cielo: linear-gradient(180deg, #2c2150 0%, #4f3374 38%, #93507a 70%, #cf7f63 100%);
  --card: rgba(38, 24, 66, 0.45);
  --card2: rgba(54, 36, 88, 0.78);
  --text: #f6ecff;
  --muted: #c4b1d9;
  --line: rgba(255, 255, 255, 0.28);
  --accent: #ff7f4d;
  --accent2: #ffb066;
  --verde: #4ade80;
  --amarillo: #ffc668;
  --rojo: #ff6b7a;
  --azul: #8fb0ff;
  --glow: rgba(255, 127, 77, 0.35);
  --sombra: 0 14px 40px rgba(10, 5, 30, 0.45);
}
body[data-tema="atardecer"] {
  --cielo: linear-gradient(180deg, #5d3a8e 0%, #b95d8d 38%, #f38a63 72%, #ffcf94 100%);
  --card: rgba(255, 245, 236, 0.42);
  --card2: rgba(255, 246, 238, 0.66);
  --text: #47203a;
  --muted: #7c465f;
  --line: rgba(255, 255, 255, 0.6);
  --accent: #ef5a2a;
  --accent2: #f2a03d;
  --verde: #0f7a44;
  --amarillo: #9a4207;
  --rojo: #d61f45;
  --azul: #6d28d9;
  --glow: rgba(239, 90, 42, 0.5);
  --sombra: 0 14px 40px rgba(122, 42, 72, 0.28);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
/* El degradado vive SOLO en el canvas fijo; el body va sólido (sin costuras) */
body {
  background: #a9ddf9; color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55; overflow-x: hidden; font-weight: 400;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.1px;
}
body[data-tema="atardecer"] { background: #ec8467; }
body[data-tema="noche"] { background: #4f3374; }
/* Énfasis en semibold (no bold pesado) para que no se vea cargado */
b, strong { font-weight: 600; }
#synapse {
  position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100dvh; z-index: 0;
  pointer-events: none; /* nunca intercepta toques */
  background: var(--cielo);
  transition: background 1.2s ease;
}
.glass {
  background: var(--card);
  backdrop-filter: blur(16px) saturate(150%); -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--line);
  box-shadow: var(--sombra), inset 0 1px 0 rgba(255, 255, 255, 0.75);
}
img { max-width: 100%; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* Sin sombras en el texto: la legibilidad nocturna la dan las nubes tenues */
body[data-tema="noche"] .grad { text-shadow: none; filter: none; }

/* layout */
section { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 0 20px; }
.bloque { padding: 46px 20px; }
h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.4px; text-align: center; margin-bottom: 26px; }

/* nav */
.nav { position: relative; z-index: 2; max-width: 760px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; }
.logo { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 17px; }
.logo img { width: 30px; height: 30px; border-radius: 8px; }
.nav-cta { color: var(--text); text-decoration: none; font-weight: 700; font-size: 14px; padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--card2); }

/* hero */
.hero { text-align: center; padding: 40px 20px 30px; }
.pill { display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent); background: var(--card2); border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: 58px; line-height: 1.08; font-weight: 800; letter-spacing: -1.5px; }
/* Subtítulo corto de dolor: el espejo donde el cliente se reconoce */
.hero .sub-dolor { color: var(--text); font-size: 19px; font-weight: 600; margin: 18px auto 10px; max-width: 520px; }
/* Frase de transformación: cómo la app le cambia la vida */
.hero .sub { color: var(--muted); font-size: 16px; font-weight: 400; line-height: 1.6; max-width: 520px; margin: 0 auto 30px; }
.hero .sub b { color: var(--text); font-weight: 600; }

/* botón beta titilando */
.beta-btn {
  display: inline-block; text-decoration: none; font-weight: 800; font-size: 17px;
  color: var(--on-accent); background: linear-gradient(90deg, var(--accent), var(--accent2));
  padding: 16px 30px; border-radius: 999px; border: none; cursor: pointer;
  animation: latido 1.5s ease-in-out infinite; will-change: transform, box-shadow;
}
.beta-btn:active { transform: scale(.96); }
.beta-btn.sm { font-size: 15px; padding: 14px 24px; margin-top: 6px; }
@keyframes latido {
  0%, 100% { box-shadow: 0 0 0 0 var(--glow); transform: scale(1); }
  50% { box-shadow: 0 0 28px 7px var(--glow); transform: scale(1.035); }
}
.beta-note { color: var(--muted); font-size: 13px; margin-top: 12px; }

/* ---------- Demo / simulación ---------- */
.demo-wrap { text-align: center; padding: 10px 20px 40px; }
.demo-label { display: inline-block; font-size: 13px; font-weight: 700; color: var(--accent); background: var(--card2); border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.phone {
  width: 290px; max-width: 82vw; margin: 0 auto; aspect-ratio: 9/17.5;
  background: #10141f; border: 3px solid #2a3350; border-radius: 38px; padding: 14px 12px;
  box-shadow: var(--sombra), 0 30px 70px rgba(20, 50, 90, 0.35); position: relative; overflow: hidden;
}
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 90px; height: 18px; background: #10141f; border-radius: 0 0 12px 12px; z-index: 2; }
/* La pantalla del celular muestra la app tal como es hoy: cielo con globos */
.screen {
  height: 100%; display: flex; flex-direction: column; padding: 14px 8px 8px; text-align: left;
  background: var(--cielo); border-radius: 26px; color: var(--text);
}
/* Barra superior del mockup: cerebrito animado + chip de perfil (como la app real) */
.d-top { display: flex; align-items: center; justify-content: space-between; margin: 4px 2px 10px; }
.d-head { font-weight: 800; font-size: 13px; display: flex; align-items: center; gap: 5px; }
.d-brain { width: 24px; height: 24px; display: inline-block; animation: dVivo 3.2s ease-in-out infinite; transform-origin: 50% 85%; }
.d-brain svg { width: 100%; height: 100%; overflow: visible; }
@keyframes dVivo { 0%,100% { transform: rotate(-4deg); } 50% { transform: translateY(-2px) rotate(4deg); } }
.d-brain .d-ojos { animation: dParpadeo 4.2s infinite; transform-origin: 32px 31px; }
@keyframes dParpadeo { 0%, 91%, 97%, 100% { transform: scaleY(1); } 94% { transform: scaleY(0.08); } }
.d-brain .d-manita { animation: dSaluda 1.4s ease-in-out infinite; transform-origin: 54px 30px; }
@keyframes dSaluda { 0%,100% { transform: rotate(0); } 50% { transform: rotate(24deg); } }
.d-perfil { background: var(--card2); border: 1px solid var(--line); border-radius: 999px; padding: 4px 9px; font-size: 10px; font-weight: 800; }
/* Caja de captura: réplica de la real (texto + mic + enviar + chips) */
.d-capture { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px; }
.d-cap-row { display: flex; gap: 5px; align-items: center; }
.d-cap {
  flex: 1; background: rgba(255,255,255,.7); border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; min-height: 36px; font-size: 13px; display: flex; align-items: center; flex-wrap: wrap;
}
body[data-tema="noche"] .d-cap { background: rgba(28,17,52,.55); }
.d-mic { width: 28px; height: 28px; flex: 0 0 auto; border-radius: 9px; background: var(--card2); border: 1px solid var(--line); display: grid; place-items: center; font-size: 12px; }
.d-send { width: 30px; height: 30px; flex: 0 0 auto; border-radius: 10px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 900; font-size: 12px; }
.d-chips { display: flex; gap: 4px; margin-top: 6px; flex-wrap: nowrap; overflow: hidden; }
.d-chip { background: var(--card2); border: 1px solid var(--line); border-radius: 999px; padding: 3px 7px; font-size: 9px; font-weight: 700; white-space: nowrap; }
/* Pestañas segmentadas mini (como la app) */
.d-tabs { display: flex; gap: 3px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 3px; margin: 8px 0 10px; }
.d-tab { flex: 1; text-align: center; border-radius: 999px; padding: 5px 2px; font-size: 10px; font-weight: 700; color: var(--muted); white-space: nowrap; }
.d-tab.activo { background: var(--accent); color: #fff; }
.d-typed { color: var(--text); white-space: pre; }
.d-cursor { width: 2px; height: 18px; background: var(--accent); margin-left: 1px; animation: parpadeo 1s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.d-hint { color: var(--muted); font-size: 11px; margin: 6px 4px 10px; }
.d-list { display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.d-card {
  background: var(--card2); border: 1px solid var(--line); border-left: 4px solid var(--line);
  border-radius: 10px; padding: 10px 11px; display: flex; align-items: center; gap: 8px;
  animation: cardIn .35s ease; transition: opacity .4s, transform .4s;
}
.d-card.rojo { border-left-color: var(--rojo); }
.d-card.amarillo { border-left-color: #f59e0b; }
.d-card.algun_dia { border-left-color: var(--azul); }
.d-card .d-body { flex: 1; min-width: 0; }
.d-card .d-tit { font-size: 13px; font-weight: 600; }
.d-card.done .d-tit { text-decoration: line-through; color: var(--muted); }
.d-tags { display: flex; gap: 5px; margin-top: 5px; flex-wrap: wrap; }
.d-tag { font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 999px; background: rgba(63,118,242,.12); color: var(--accent); animation: cardIn .3s ease; }
.d-tag.u.rojo { background: rgba(229,72,77,.14); color: var(--rojo); }
.d-tag.u.amarillo { background: rgba(255,178,46,.3); color: var(--amarillo); }
.d-tag.u.algun_dia { background: rgba(59,130,246,.14); color: var(--azul); }
.d-check { width: 30px; height: 30px; border-radius: 50%; flex: 0 0 auto; border: 2px solid var(--verde); color: var(--verde); background: rgba(255,255,255,.4); display: grid; place-items: center; font-weight: 900; font-size: 14px; transition: all .3s; }
.d-card.done .d-check { background: var(--verde); color: var(--on-accent); }
.d-card.out { opacity: 0; transform: translateX(40px); }
.demo-cap { color: var(--muted); font-size: 14px; font-weight: 400; margin-top: 22px; max-width: 420px; margin-left: auto; margin-right: auto; }
.demo-h2 { margin-top: 40px; margin-bottom: 8px; }
.demo-sub { color: var(--muted); font-size: 16px; line-height: 1.6; max-width: 480px; margin: 0 auto; }
.cta-demo { margin-top: 22px; }
@keyframes cardIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* dolor */
.dolor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dolor { border-radius: 18px; padding: 18px; font-size: 15px; font-weight: 400; }
.dolor b { color: var(--amarillo); }
.dolor-cierre { text-align: center; color: var(--muted); font-size: 16px; font-weight: 400; margin-top: 22px; }
.dolor-cierre i { color: var(--text); font-style: normal; font-weight: 600; }

/* placer */
.placer-list { display: flex; flex-direction: column; gap: 12px; }
.placer { border-radius: 18px; padding: 18px; display: flex; gap: 14px; align-items: flex-start; font-size: 15px; font-weight: 400; }
.placer .e { font-size: 28px; flex: 0 0 auto; }
.placer b { color: var(--text); font-weight: 600; }

/* precio */
.precio { text-align: center; }
.price-card {
  position: relative; max-width: 420px; margin: 0 auto; border-radius: 26px; padding: 34px 26px 28px;
  border: 1.5px solid var(--line);
  box-shadow: var(--sombra), 0 0 40px var(--glow);
}
.ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent), var(--accent2)); color: var(--on-accent);
  font-weight: 800; font-size: 13px; padding: 6px 16px; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 6px 18px var(--glow);
}
/* La palabra WhatsApp siempre en su verde característico (distinción de marca) */
.wa-word { color: #0ca757; font-weight: 700; }
body[data-tema="noche"] .wa-word { color: #45d97e; }
/* Botón de compra por WhatsApp: verde WhatsApp para que se reconozca al instante */
.beta-btn.wa-buy { background: linear-gradient(90deg, #1faa59, #25d366); }
/* botón WhatsApp */
.wa-btn {
  display: block; text-align: center; text-decoration: none; margin-top: 10px;
  background: #22b358; color: #fff; border: 1px solid rgba(255,255,255,.5);
  font-weight: 800; font-size: 15px; padding: 13px 22px; border-radius: 999px;
}
.wa-btn:active { transform: scale(.97); }
.cta-wa { margin-top: 14px; }
.cta-wa .wa-btn { display: inline-block; }
.price-tag { font-weight: 700; color: var(--accent); letter-spacing: .5px; text-transform: uppercase; font-size: 13px; }
.price { font-size: 60px; font-weight: 900; line-height: 1; margin: 12px 0 4px; }
.price .mon { font-size: 30px; vertical-align: super; }
.price .cent { font-size: 30px; }
.price .mes { font-size: 18px; color: var(--muted); font-weight: 700; }
.price-anual { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.price-anual b { color: var(--text); }
.price-anual .ahorro { color: var(--verde); font-weight: 700; }
.price-card ul { list-style: none; text-align: left; margin: 0 auto 22px; display: inline-block; }
.price-card li { padding: 6px 0; color: var(--text); font-size: 15px; }

/* cta final */
.cta-final { text-align: center; padding: 56px 20px 30px; }
.cta-final h2 { font-size: 30px; letter-spacing: -0.6px; }
.cta-final .sub { color: var(--muted); font-weight: 400; max-width: 480px; margin: 14px auto 26px; font-size: 16px; line-height: 1.6; }
.proximamente { margin-top: 22px; color: var(--muted); font-size: 14px; }
.proximamente b { color: var(--accent); }

.foot { position: relative; z-index: 1; text-align: center; color: var(--muted); font-size: 13px; padding: 30px 20px 40px; }

@media (max-width: 560px) {
  .hero h1 { font-size: 42px; }
  .dolor-grid { grid-template-columns: 1fr; }
  .price { font-size: 52px; }
}