/* =====================================================================
   CÓDIGO UNO — styles.css (combinado: variables + reset + styles + components + responsive)
   ===================================================================== */

/* ============================== variables.css ============================== */
/* =====================================================================
   VARIABLES — identidad Código Uno · estilo neón lima sobre negro
   (inspirado en la referencia; adaptado a oferta evergreen WhatsApp)
   ===================================================================== */
:root{
  /* Fondos */
  --bg:#040604;
  --bg-2:#080C07;
  --surface:#0B120A;

  /* Verdes neón */
  --green:#A3E635;          /* lima principal */
  --green-bright:#C7F94E;   /* énfasis / glow / CTA */
  --green-deep:#1C2A10;     /* relleno oscuro de badges */
  --green-soft:rgba(163,230,53,0.10);
  --green-line:rgba(163,230,53,0.30);

  /* Texto */
  --text:#F3F7EE;
  --text-dim:#98A392;

  /* Estructura */
  --border:#1E2C16;
  --line:#141E10;

  /* Tipografía */
  --font-title:'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:ui-monospace, SFMono-Regular, Consolas, monospace;

  /* Medidas */
  --wrap:1120px;
  --radius:22px;
  --radius-sm:16px;
  --shadow:0 24px 60px -28px rgba(0,0,0,0.85);
  --glow:0 0 44px rgba(163,230,53,0.30);

  /* Foco */
  --focus:#C7F94E;
}


/* ============================== reset.css ============================== */
/* =====================================================================
   RESET mínimo, accesible
   ===================================================================== */
*,*::before,*::after{ box-sizing:border-box; }
*{ margin:0; padding:0; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
}

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

a{ color:var(--green-bright); text-decoration:none; }
a:hover{ color:var(--green); }

button{ font-family:inherit; }

ul{ list-style:none; }

h1,h2,h3,h4{
  font-family:var(--font-title);
  font-weight:600;
  letter-spacing:-0.015em;
  line-height:1.12;
  text-wrap:balance;
}

p{ text-wrap:pretty; }

/* Enlace de salto al contenido */
.skip-link{
  position:absolute;
  left:-999px; top:0;
  background:var(--green);
  color:#04140A;
  font-weight:700;
  padding:10px 16px;
  border-radius:0 0 8px 0;
  z-index:200;
}
.skip-link:focus{ left:0; }

/* Foco visible en todo elemento interactivo */
a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:3px;
  border-radius:4px;
}

/* Respeta reducción de movimiento */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
  }
}


/* ============================== styles.css ============================== */
/* =====================================================================
   STYLES — layout general, tipografía, secciones (estilo neón lima)
   ===================================================================== */

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}

/* Fondo con leve resplandor superior */
body{
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(163,230,53,0.07), transparent 60%),
    var(--bg);
}

/* ---------- ETIQUETAS / KICKERS ---------- */
.label{
  font-family:var(--font-body);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--green);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:0.02em;
  color:var(--green);
  background:var(--green-soft);
  border:1px solid var(--green-line);
  padding:8px 16px;
  border-radius:999px;
}
.eyebrow svg{ width:15px; height:15px; }

/* ---------- SECCIONES ---------- */
section{ padding:74px 0; }

.section-head{
  text-align:center;
  max-width:720px;
  margin:0 auto 44px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.section-title{
  font-family:var(--font-title);
  font-weight:800;
  font-size:clamp(28px, 4.4vw, 46px);
  line-height:1.08;
  letter-spacing:-0.02em;
}
.section-title .g{ color:var(--green); }
.section-intro{
  color:var(--text-dim);
  font-size:17px;
  max-width:600px;
}

hr.divider{ border:none; height:0; }

/* ---------- TOPBAR ---------- */
.topbar{
  position:sticky; top:0; z-index:50;
  background:rgba(4,6,4,0.78);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.brand{ display:flex; flex-direction:column; line-height:1.05; }
.brand .brand-name{
  font-family:var(--font-title);
  font-weight:800; font-size:20px; letter-spacing:0.01em; color:var(--text);
}
.brand .brand-name span{ color:var(--green); }
.brand .brand-sub{
  font-size:11.5px; color:var(--text-dim); letter-spacing:0.02em;
}

/* ---------- HERO ---------- */
.hero{ padding:70px 0 76px; }
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,0.98fr);
  gap:56px;
  align-items:center;
}
.hero .lead{ max-width:560px; }
.hero h1{
  font-family:var(--font-title);
  font-weight:800;
  font-size:clamp(38px, 5.6vw, 66px);
  line-height:1.02;
  letter-spacing:-0.03em;
  margin:22px 0;
}
.hero h1 em{
  font-style:normal;
  color:var(--green);
  text-shadow:0 0 34px rgba(163,230,53,0.45);
}
.hero .lead{
  font-size:18.5px;
  color:var(--text-dim);
  max-width:540px;
  margin-bottom:26px;
}
.hero-checks{ margin-bottom:30px; display:flex; flex-direction:column; gap:12px; }

/* ---------- PROBLEMA ---------- */
.problem-list{ max-width:760px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.problem-list li{
  display:flex; gap:14px; align-items:flex-start;
  background:linear-gradient(180deg, rgba(163,230,53,0.03), transparent);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  color:var(--text-dim);
  font-size:16px;
}
.problem-list li .x{
  flex:none; width:22px; height:22px; border-radius:6px;
  background:var(--green-deep); color:var(--green);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:13px;
}

/* ---------- GRID DE TARJETAS ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:16px;
}
.card-grid.cols-2{ grid-template-columns:repeat(2,1fr); }
.card-grid.cols-3{ grid-template-columns:repeat(3,1fr); }

/* ---------- ¿ES PARA TI? ---------- */
.fit-block{ margin-top:8px; }
.fit-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.fit-note{
  margin:26px auto 0;
  max-width:760px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:20px 22px;
  background:rgba(255,255,255,0.015);
}
.fit-note .tag{
  font-family:var(--font-body); font-weight:700;
  font-size:12px; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--text-dim); display:block; margin-bottom:12px;
}
.fit-note ul{ display:flex; flex-direction:column; gap:9px; }
.fit-note li{ color:var(--text-dim); font-size:15px; padding-left:24px; position:relative; }
.fit-note li::before{ content:"✕"; position:absolute; left:0; color:#6b7280; }

/* ---------- FAQ ---------- */
.faq .wrap{ max-width:820px; }
.faq details{
  background:linear-gradient(180deg, rgba(163,230,53,0.02), transparent);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:6px 22px;
  margin-bottom:12px;
  transition:border-color .18s ease;
}
.faq details[open]{ border-color:var(--green-line); }
.faq summary{
  cursor:pointer;
  font-family:var(--font-title);
  font-weight:600;
  font-size:17px;
  color:var(--text);
  list-style:none;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:16px 0;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+";
  color:var(--green-bright);
  font-size:24px; line-height:1; flex:none; font-weight:400;
}
.faq details[open] summary::after{ content:"–"; }
.faq details p{ color:var(--text-dim); font-size:15px; padding:0 0 18px; max-width:680px; }

/* ---------- CTA BANDS ---------- */
.cta-band{ text-align:center; }
.cta-band h2{
  font-family:var(--font-title); font-weight:800;
  font-size:clamp(28px, 4.6vw, 44px); letter-spacing:-0.02em; margin-bottom:14px;
}
.cta-band p{ color:var(--text-dim); max-width:520px; margin:0 auto 30px; font-size:17px; }

/* ---------- FOOTER ---------- */
footer{ border-top:1px solid var(--line); padding:40px 0 48px; }
footer .wrap{ display:flex; flex-direction:column; gap:14px; align-items:center; text-align:center; }
footer .foot-brand{
  font-family:var(--font-title); font-weight:800; font-size:16px; letter-spacing:0.04em;
}
footer .foot-brand span{ color:var(--green); }
footer .foot-legal{ font-size:13px; color:var(--text-dim); max-width:640px; line-height:1.6; }


/* ============================== components.css ============================== */
/* =====================================================================
   COMPONENTS — botones, tarjetas, checks, mockup, avisos (neón lima)
   ===================================================================== */

/* ---------- BOTÓN CTA PRINCIPAL (glow neón) ---------- */
.cta-primary{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  background:linear-gradient(180deg, var(--green-bright), var(--green));
  color:#0A1400;
  font-family:var(--font-body); font-weight:700; font-size:16.5px;
  padding:17px 32px;
  border-radius:14px;
  text-decoration:none; border:none; cursor:pointer;
  box-shadow:0 0 0 1px rgba(163,230,53,0.5), 0 10px 34px -8px rgba(163,230,53,0.6);
  transition:transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
.cta-primary:hover{
  color:#0A1400;
  transform:translateY(-1px);
  filter:brightness(1.05);
  box-shadow:0 0 0 1px rgba(199,249,78,0.7), 0 16px 44px -8px rgba(163,230,53,0.8);
}
.cta-primary .wa-icon{ width:20px; height:20px; flex:none; }

/* Botón pequeño de la barra superior */
.btn-top{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--green); color:#0A1400;
  font-family:var(--font-body); font-weight:700; font-size:14px;
  padding:10px 18px; border-radius:999px; text-decoration:none;
  box-shadow:0 8px 24px -10px rgba(163,230,53,0.7);
  transition:filter .16s ease, transform .16s ease;
}
.btn-top:hover{ color:#0A1400; filter:brightness(1.06); transform:translateY(-1px); }
.btn-top .wa-icon{ width:16px; height:16px; }

.cta-sub{
  font-family:var(--font-body);
  font-size:13px; color:var(--text-dim); margin-top:16px;
}
.cta-sub .lock{ color:var(--green); }

/* Aviso de privacidad junto a los CTA */
.privacy-note{
  font-size:12.5px; line-height:1.55; color:var(--text-dim);
  max-width:470px; margin-top:18px;
  padding-left:14px; border-left:2px solid var(--green-line);
}
.cta-band .privacy-note,
.hero-copy .privacy-note{ }
.cta-band .privacy-note{ margin:18px auto 0; text-align:left; }

/* ---------- CHECK ITEMS ---------- */
/* círculo relleno (hero, ¿es para ti?) */
.check{ display:flex; align-items:flex-start; gap:12px; color:var(--text); font-size:16px; }
.check .dot{
  flex:none; width:24px; height:24px; border-radius:50%;
  background:var(--green); color:#0A1400;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:800; margin-top:1px;
}

/* ---------- TARJETA CURSO/MÓDULO (badge + texto) ---------- */
.course-card{
  display:flex; align-items:flex-start; gap:15px;
  background:linear-gradient(180deg, rgba(163,230,53,0.045), rgba(255,255,255,0.008));
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:18px 20px;
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.course-card:hover{
  border-color:var(--green-line);
  box-shadow:0 0 30px -10px rgba(163,230,53,0.4);
  transform:translateY(-2px);
}
.course-card .badge{
  flex:none; width:46px; height:46px; border-radius:12px;
  background:var(--green-deep); border:1px solid var(--green-line);
  color:var(--green); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-title); font-weight:800; font-size:15px;
}
.course-card .badge svg{ width:22px; height:22px; }
.course-card h3{ font-family:var(--font-title); font-weight:700; font-size:16.5px; margin-bottom:3px; }
.course-card p{ color:var(--text-dim); font-size:13.5px; }

/* ---------- TARJETA BENEFICIO (check cuadrado arriba) ---------- */
.benefit-card{
  background:linear-gradient(180deg, rgba(163,230,53,0.045), rgba(255,255,255,0.008));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.benefit-card:hover{ border-color:var(--green-line); box-shadow:0 0 34px -12px rgba(163,230,53,0.4); }
.benefit-card .sq{
  width:46px; height:46px; border-radius:12px;
  background:var(--green-deep); border:1px solid var(--green-line);
  color:var(--green-bright); display:flex; align-items:center; justify-content:center;
  font-size:22px; margin-bottom:18px;
}
.benefit-card h3{ font-family:var(--font-title); font-weight:700; font-size:18px; margin-bottom:7px; }
.benefit-card p{ color:var(--text-dim); font-size:14.5px; }

/* Tarjeta ¿es para ti? (check + texto) */
.fit-card{
  display:flex; gap:13px; align-items:flex-start;
  background:linear-gradient(180deg, rgba(163,230,53,0.05), rgba(255,255,255,0.008));
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:20px 20px;
  font-size:15px; color:var(--text);
}
.fit-card .dot{
  flex:none; width:24px; height:24px; border-radius:50%;
  background:var(--green); color:#0A1400;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; font-weight:800; margin-top:1px;
}

/* ---------- IMAGEN DE MARCA (infografías) ---------- */
.brand-figure{
  margin:0;
  display:block;
  border-radius:var(--radius);
  border:1px solid var(--green-line);
  overflow:hidden;
  background:var(--bg-2);
  box-shadow:var(--shadow), 0 0 70px -26px rgba(163,230,53,0.5);
}
.brand-figure img{ display:block; width:100%; height:auto; }
.brand-figure.center{ max-width:1000px; margin:0 auto; }
.hero-figure{ position:relative; }
.hero-figure::before{
  content:""; position:absolute; inset:-8%;
  background:radial-gradient(60% 60% at 60% 45%, rgba(163,230,53,0.20), transparent 70%);
  filter:blur(12px); z-index:0; pointer-events:none;
}
.hero-figure .brand-figure{ position:relative; z-index:1; }

/* ---------- MOCKUP DE CHAT WHATSAPP (con glow verde) ---------- */
.mock-wrap{ position:relative; display:flex; justify-content:center; }
.mock-wrap::before{
  content:""; position:absolute; inset:-6% -4% -6% -4%;
  background:radial-gradient(60% 60% at 60% 40%, rgba(163,230,53,0.22), transparent 70%);
  filter:blur(10px); z-index:0;
}
.chat-mock{
  position:relative; z-index:1;
  background:var(--bg-2);
  border:1px solid var(--green-line);
  border-radius:26px;
  box-shadow:var(--shadow), 0 0 60px -20px rgba(163,230,53,0.4);
  overflow:hidden;
  max-width:340px; width:100%;
}
.chat-head{
  display:flex; align-items:center; gap:12px;
  padding:15px 16px;
  background:rgba(163,230,53,0.06);
  border-bottom:1px solid var(--border);
}
.chat-avatar{
  width:42px; height:42px; border-radius:50%;
  background:linear-gradient(140deg, var(--green), var(--green-bright));
  color:#0A1400; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-title); font-weight:800; font-size:15px; flex:none;
}
.chat-title{ display:flex; flex-direction:column; line-height:1.25; }
.chat-title .name{ font-family:var(--font-title); font-weight:700; font-size:15px; color:var(--text); }
.chat-title .members{ font-size:11.5px; color:var(--text-dim); }
.chat-body{
  padding:18px 14px 20px;
  display:flex; flex-direction:column; gap:10px;
  min-height:320px;
}
.chat-day{
  align-self:center;
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.08em;
  color:var(--text-dim);
  background:var(--surface); border:1px solid var(--border);
  padding:4px 11px; border-radius:20px; margin-bottom:4px;
}
.bubble{ max-width:84%; padding:10px 13px; font-size:13.5px; line-height:1.45; border-radius:14px; }
.bubble .meta{
  display:block; font-family:var(--font-body); font-weight:700;
  font-size:9.5px; letter-spacing:0.06em; color:var(--green); margin-bottom:4px; text-transform:uppercase;
}
.bubble.in{ align-self:flex-start; background:var(--surface); border:1px solid var(--border); color:var(--text); border-top-left-radius:5px; }
.bubble.out{ align-self:flex-end; background:#24380F; border:1px solid var(--green-line); color:var(--text); border-top-right-radius:5px; }
.bubble .time{ display:block; text-align:right; font-size:9.5px; color:var(--text-dim); margin-top:5px; font-family:var(--font-mono); }

/* ---------- JOIN CARD (CTA final estilo tarjeta destacada) ---------- */
.join-card{
  position:relative;
  max-width:780px; margin:0 auto;
  background:
    radial-gradient(90% 70% at 50% 0%, rgba(163,230,53,0.12), transparent 65%),
    linear-gradient(180deg, #0C120A, #070A06);
  border:1px solid var(--green-line);
  border-radius:28px;
  padding:46px 40px 40px;
  text-align:center;
  box-shadow:var(--shadow), 0 0 70px -26px rgba(163,230,53,0.5);
}
.pill{
  display:inline-block;
  font-family:var(--font-body); font-weight:800;
  font-size:12px; letter-spacing:0.12em; text-transform:uppercase;
  color:#0A1400; background:var(--green);
  padding:7px 16px; border-radius:999px; margin-bottom:20px;
}
.join-card h2{ font-family:var(--font-title); font-weight:800; font-size:clamp(28px,4.4vw,40px); letter-spacing:-0.02em; }
.join-card .sub{ color:var(--text-dim); font-size:16px; margin-top:8px; }
.join-card .free{
  font-family:var(--font-title); font-weight:800;
  font-size:clamp(46px,8vw,72px); line-height:1; color:var(--green-bright);
  text-shadow:0 0 40px rgba(163,230,53,0.55);
  margin:18px 0 6px;
}
.join-card .free-note{ color:var(--text-dim); font-size:14.5px; margin-bottom:26px; }
.join-card .free-note b{ color:var(--text); }
.join-list{ display:flex; flex-direction:column; gap:11px; align-items:flex-start; max-width:320px; margin:0 auto 30px; }
.join-card .cta-primary{ width:100%; max-width:460px; font-size:17px; padding:18px 30px; }
.join-card .secure{ font-family:var(--font-body); font-size:13px; color:var(--text-dim); margin-top:16px; }
.join-card .secure .lock{ color:var(--green); }

/* ---------- BARRA FIJA MÓVIL ---------- */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0;
  background:rgba(4,6,4,0.96);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--border);
  padding:12px 18px calc(12px + env(safe-area-inset-bottom));
  z-index:60;
  transform:translateY(120%);
  transition:transform .28s ease;
  display:none;
}
.sticky-cta.is-visible{ transform:translateY(0); }
.sticky-cta .cta-primary{ display:flex; width:100%; }


/* ============================== responsive.css ============================== */
/* =====================================================================
   RESPONSIVE — mobile first, estilo neón lima
   ===================================================================== */

@media (max-width: 1000px){
  .card-grid{ grid-template-columns:repeat(2,1fr); }
  .fit-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 860px){
  .hero-grid{ grid-template-columns:1fr; gap:44px; }
  .mock-wrap{ order:-1; }
  section{ padding:56px 0; }
  .hero{ padding:48px 0 60px; }
}

@media (max-width: 640px){
  .brand .brand-sub{ display:none; }
  .btn-top span.txt{ display:none; }   /* deja solo el icono en móvil */
  .btn-top{ padding:10px 12px; }
  .card-grid,
  .card-grid.cols-2,
  .card-grid.cols-3,
  .fit-grid{ grid-template-columns:1fr; }
  .hero h1{ font-size:clamp(32px, 9vw, 44px); }
  .cta-primary{ width:100%; }
  .join-card{ padding:36px 22px 32px; }
  .sticky-cta{ display:block; }
  body{ padding-bottom:78px; }
}

@media (max-width: 400px){
  .wrap{ padding:0 16px; }
}