/* ============================================================
   RecuperarCarnet — landing 2026
   Formato de color inspirado en traficotest.es
   Brand teal #45aab8 · Accent coral #f76d57 · Ink #0c2226
   ============================================================ */

:root{
  --brand:        #45aab8;
  --brand-deep:   #2e8492;
  --brand-ink:    #0c2226;
  --ink-2:        #123b42;
  --accent:       #f76d57;
  --accent-deep:  #d94e39;
  --accent-soft:  #ffe9e4;
  --amber:        #f5b942;
  --amber-soft:   #fef3dd;
  --green:        #3fb27f;
  --green-soft:   #e3f5ec;

  --bg:           #f5fafa;
  --surface:      #ffffff;
  --surface-2:    #eefafb;
  --line:         #d7e7e9;
  --line-soft:    #e9f3f4;

  --text:         #1e3c42;
  --muted:        #4f747a;
  --muted-dark:   #9db8bc;   /* texto secundario sobre fondo oscuro */

  --font-display: 'Unbounded', system-ui, sans-serif;
  --font-body:    'Instrument Sans', 'Inter', system-ui, sans-serif;

  --radius:   18px;
  --radius-sm: 12px;
  --shadow:      0 10px 30px -12px rgba(12,34,38,.18);
  --shadow-lift: 0 24px 50px -18px rgba(12,34,38,.28);
  --shadow-coral: 0 12px 26px -10px rgba(217,78,57,.45);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
strong{font-weight:700}

.container{width:min(1120px,92%);margin-inline:auto}
.container-narrow{width:min(760px,92%)}

/* ---------- Tipografía ---------- */
h1,h2,h3{font-family:var(--font-display);line-height:1.18;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.2vw,3.3rem);font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700}
h3{font-size:1.12rem;font-weight:600}

.gradient-text{
  background:linear-gradient(92deg,var(--brand-deep),var(--brand) 55%,var(--accent));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.on-dark .gradient-text,
.hero .gradient-text{
  background:linear-gradient(92deg,#8fd3dc,var(--brand) 45%,var(--accent));
  -webkit-background-clip:text;background-clip:text;
}

.kicker{
  display:inline-block;
  font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-deep);
  background:var(--surface-2);
  border:1px solid var(--line-soft);
  padding:6px 14px;border-radius:999px;
  margin-bottom:16px;
}
.on-dark .kicker,.hero .kicker{color:#bfe1e5;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14)}

.section{padding:96px 0}
.section-alt{background:var(--surface-2);border-block:1px solid var(--line-soft)}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-sub{color:var(--muted);font-size:1.06rem;margin-top:14px}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-body);font-weight:700;font-size:.95rem;
  border-radius:999px;border:2px solid transparent;cursor:pointer;
  padding:13px 26px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;transition:transform .18s ease}
.btn-primary{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-deep) 100%);
  color:#fff;box-shadow:var(--shadow-coral);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -10px rgba(217,78,57,.55)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.on-dark .btn-ghost,.hero .btn-ghost{color:#eaf4f5;border-color:rgba(255,255,255,.4);box-shadow:none}
.on-dark .btn-ghost:hover,.hero .btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-lg{padding:16px 32px;font-size:1.02rem}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-block{width:100%}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:60;
  background:rgba(245,250,250,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px -18px rgba(12,34,38,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}

.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--brand-ink)}
.logo span{color:var(--brand-deep)}
.logo-icon{
  width:38px;height:38px;border-radius:11px;flex:none;
  display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  box-shadow:0 6px 14px -6px rgba(46,132,146,.6);
}
.logo-icon svg{width:22px;height:22px}

.nav-links{display:flex;gap:26px}
.nav-links a{white-space:nowrap;font-weight:600;font-size:.92rem;color:var(--text);position:relative;padding:4px 0}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  border-radius:2px;transition:width .2s ease;
}
.nav-links a:hover{color:var(--brand-deep)}
.nav-links a:hover::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:12px}
.topbar-links{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
#rtcCuentaLink{display:inline-flex;order:99;flex:none;white-space:nowrap}
.test-topbar .topbar-links,.rtc-page-top .topbar-links{margin-left:auto}
.tm-top #rtcCuentaLink{margin-left:auto}
.rtc-page-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 5%;border-bottom:1px solid var(--line);background:var(--surface)}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:0;cursor:pointer;padding:8px;
}
.nav-toggle span{width:24px;height:2.5px;border-radius:2px;background:var(--brand-ink);transition:transform .25s ease,opacity .2s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(145deg,var(--brand-ink) 0%,#0f2b30 55%,var(--ink-2) 100%);
  color:#fff;
  padding:90px 0 70px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.glow-1{width:520px;height:520px;top:-180px;right:-120px;background:rgba(69,170,184,.4)}
.glow-2{width:420px;height:420px;bottom:-200px;left:-140px;background:rgba(247,109,87,.28)}
.grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 75%);
}

.hero-inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:56px;align-items:center;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.04em;
  color:#bfe1e5;background:rgba(69,170,184,.14);
  border:1px solid rgba(69,170,184,.35);
  padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.badge svg{width:14px;height:14px;color:var(--amber)}
.hero-sub{color:var(--muted-dark);font-size:1.12rem;max-width:540px;margin-top:20px}
.hero-sub strong{color:#eaf4f5}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:.92rem;font-weight:600;color:#c9dde0}
.hero-trust svg{width:17px;height:17px;color:var(--green);flex:none}

/* ---- Tarjeta visual del carné ---- */
.hero-visual{position:relative;display:flex;justify-content:center}
.license-card{
  width:min(400px,100%);
  background:linear-gradient(160deg,#11282d,#0b1d21);
  border:1px solid rgba(69,170,184,.35);
  border-radius:22px;padding:26px 26px 22px;
  box-shadow:0 30px 60px -25px rgba(0,0,0,.6);
  transform:rotate(2deg);
  animation:float 6s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:rotate(2deg) translateY(0)}50%{transform:rotate(2deg) translateY(-10px)}}
.license-top{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.license-flag{
  width:44px;height:32px;border-radius:6px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.25);
}
.license-kicker{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-dark);font-weight:700}
.license-name{font-family:var(--font-display);font-weight:600;font-size:1rem;color:#fff}
.license-badge{
  margin-left:auto;font-size:.7rem;font-weight:800;letter-spacing:.06em;
  background:rgba(63,178,127,.18);color:#7fd9b2;
  border:1px solid rgba(63,178,127,.4);
  padding:4px 10px;border-radius:999px;
}
.points-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.points-row i{
  width:16px;height:16px;border-radius:50%;
  background:var(--green);box-shadow:0 0 10px rgba(63,178,127,.55);
}
.points-row i.lost{background:rgba(255,255,255,.12);box-shadow:none}
.license-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
.license-label{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark);font-weight:700}
.license-value{font-family:var(--font-display);font-size:2rem;font-weight:700;color:#fff;line-height:1.1}
.license-value small{font-size:.9rem;color:var(--muted-dark);font-weight:600}
.license-recover{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  background:rgba(247,109,87,.15);border:1px dashed rgba(247,109,87,.55);
  border-radius:14px;padding:10px 16px;
}
.license-recover .plus{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--accent)}
.license-recover span:last-child{font-size:.72rem;font-weight:600;color:#f0b7ab}

.float-chip{
  position:absolute;z-index:2;display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:10px 16px;
  box-shadow:var(--shadow-lift);
  animation:float 5s ease-in-out infinite;
}
.float-chip strong{display:block;font-size:.9rem;color:var(--brand-ink);line-height:1.2}
.float-chip small{font-size:.72rem;color:var(--muted);font-weight:600}
.chip-icon{
  width:30px;height:30px;border-radius:9px;flex:none;
  display:grid;place-items:center;color:#fff;font-weight:800;
  background:linear-gradient(135deg,var(--green),#2f9668);font-size:.9rem;
}
.chip-icon.chip-yellow{background:linear-gradient(135deg,var(--amber),#d99a1f)}
.chip-1{top:-34px;left:-10px;animation-delay:.8s}
.chip-2{bottom:-30px;right:-8px;animation-delay:1.6s}

/* ---- Barra de estadísticas ---- */
.stats-bar{
  position:relative;margin-top:80px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 34px;
  box-shadow:var(--shadow);
}
.stat{text-align:center}
.stat + .stat{border-left:1px solid var(--line-soft)}
.stat-value{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  background:linear-gradient(120deg,var(--brand-deep),var(--brand));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-label{font-size:.85rem;color:var(--muted);font-weight:600;margin-top:4px}

/* ---------- Pasos ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 28px 30px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.step-num{
  position:absolute;top:18px;right:22px;
  font-family:var(--font-display);font-weight:700;font-size:3rem;line-height:1;
  color:var(--surface-2);-webkit-text-stroke:1.5px var(--line);
}
.step-icon{
  width:54px;height:54px;border-radius:15px;
  display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(69,170,184,.16),rgba(69,170,184,.30));
  color:var(--brand-deep);
}
.step-icon svg{width:26px;height:26px}
.step-card h3{margin-bottom:10px;color:var(--brand-ink)}
.step-card p{color:var(--muted);font-size:.95rem}

/* ---------- Calculadora ---------- */
.calc-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.calc-selector{margin-top:28px}
.calc-selector label{font-weight:700;color:var(--brand-ink)}
.calc-selector strong{color:var(--accent-deep);font-size:1.15em}
.calc-selector input[type="range"]{
  width:100%;margin:18px 0 6px;accent-color:var(--accent);cursor:pointer;height:34px;
}
.range-labels{display:flex;justify-content:space-between;font-size:.78rem;font-weight:600;color:var(--muted)}

.calc-result{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-lift);
}
.calc-dots{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.calc-dots i{width:14px;height:14px;border-radius:50%;transition:background .2s ease}
.calc-dots i.on{background:var(--brand)}
.calc-dots i.on.danger{background:var(--accent)}
.calc-dots i.off{background:var(--line)}

.calc-status{border-radius:var(--radius-sm);padding:18px 20px;margin-bottom:18px;border:1px solid}
.calc-status h4{font-family:var(--font-display);font-size:1rem;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.calc-status p{font-size:.93rem}
.calc-status.risk0{background:var(--accent-soft);border-color:#f6c4b8}
.calc-status.risk0 h4{color:var(--accent-deep)}
.calc-status.risk0 p{color:#7c3a2d}
.calc-status.warn{background:var(--amber-soft);border-color:#f3ddad}
.calc-status.warn h4{color:#a87708}
.calc-status.warn p{color:#6d5410}
.calc-status.ok{background:var(--green-soft);border-color:#bfe6d3}
.calc-status.ok h4{color:#22794f}
.calc-status.ok p{color:#2c5e45}
.calc-status.info{background:var(--surface-2);border-color:var(--line)}
.calc-status.info h4{color:var(--brand-deep)}
.calc-status.info p{color:var(--muted)}

/* ---------- Cursos ---------- */
.courses{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch;max-width:860px;margin-inline:auto}
.course-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:36px 32px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.course-card.featured{
  background:linear-gradient(150deg,var(--ink-2) 0%,var(--brand-ink) 100%);
  border-color:rgba(69,170,184,.45);color:#fff;
}
.course-card.featured h3{color:#fff}
.course-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  color:#fff;font-size:.74rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:7px 18px;border-radius:999px;box-shadow:var(--shadow-coral);white-space:nowrap;
}
.course-card h3{font-size:1.3rem;margin-bottom:8px;color:var(--brand-ink)}
.course-duration{
  display:flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:700;color:var(--muted);margin-bottom:18px;
}
.course-duration svg{width:17px;height:17px;flex:none;color:var(--brand-deep)}
.course-card.featured .course-duration{color:var(--muted-dark)}
.course-card.featured .course-duration svg{color:var(--brand)}
.course-points{
  display:flex;align-items:baseline;gap:10px;margin-bottom:20px;
  font-weight:700;color:var(--muted);font-size:.95rem;
}
.course-points span{
  font-family:var(--font-display);font-weight:700;font-size:2.2rem;line-height:1;
  background:linear-gradient(120deg,var(--green),#7fd9b2);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.course-list{margin-bottom:26px;display:grid;gap:11px;flex:1}
.course-list li{display:flex;gap:10px;font-size:.93rem;color:var(--muted)}
.course-list li::before{
  content:"✓";flex:none;width:21px;height:21px;border-radius:7px;
  display:grid;place-items:center;font-size:.72rem;font-weight:800;
  background:var(--green-soft);color:#22794f;margin-top:2px;
}
.course-card.featured .course-list li{color:#c9dde0}
.course-card.featured .course-list li::before{background:rgba(63,178,127,.2);color:#7fd9b2}

/* ---------- Ventajas ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 28px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.feature-icon{
  width:52px;height:52px;border-radius:15px;
  display:grid;place-items:center;margin-bottom:18px;
}
.feature-icon svg{width:25px;height:25px}
.feature-card:nth-child(6n+1) .feature-icon{background:rgba(69,170,184,.15);color:var(--brand-deep)}
.feature-card:nth-child(6n+2) .feature-icon{background:var(--accent-soft);color:var(--accent-deep)}
.feature-card:nth-child(6n+3) .feature-icon{background:var(--amber-soft);color:#b5820d}
.feature-card:nth-child(6n+4) .feature-icon{background:var(--green-soft);color:#22794f}
.feature-card:nth-child(6n+5) .feature-icon{background:rgba(69,170,184,.15);color:var(--brand-deep)}
.feature-card:nth-child(6n+6) .feature-icon{background:var(--accent-soft);color:var(--accent-deep)}
.feature-card h3{margin-bottom:10px;color:var(--brand-ink)}
.feature-card p{color:var(--muted);font-size:.94rem}

/* ---------- Testimonios ---------- */
.stars-big{
  display:inline-flex;align-items:center;gap:10px;margin-top:16px;
  font-weight:700;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);
  padding:9px 18px;border-radius:999px;font-size:.92rem;box-shadow:var(--shadow);
}
.stars-big span{color:var(--amber);letter-spacing:2px}
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  display:flex;flex-direction:column;gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 28px;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.testimonial-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift)}
.testimonial-stars{color:var(--amber);letter-spacing:3px;font-size:1.05rem}
.testimonial-card blockquote{font-size:.96rem;color:var(--text);flex:1}
.testimonial-card footer{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  font-weight:800;font-size:.85rem;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
}
.testimonial-card:nth-child(2) .avatar{background:linear-gradient(135deg,var(--accent),var(--accent-deep))}
.testimonial-card:nth-child(3) .avatar{background:linear-gradient(135deg,var(--amber),#d99a1f)}
.testimonial-card footer strong{display:block;color:var(--brand-ink);line-height:1.3}
.testimonial-card footer small{color:var(--muted);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow);
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--brand)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;list-style:none;
  font-weight:700;color:var(--brand-ink);
  padding:19px 22px;font-size:.99rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-chevron{
  flex:none;width:12px;height:12px;position:relative;
}
.faq-chevron::before,.faq-chevron::after{
  content:"";position:absolute;top:5px;left:0;width:12px;height:2.5px;border-radius:2px;
  background:var(--brand-deep);transition:transform .25s ease;
}
.faq-chevron::before{transform:rotate(45deg) translateX(-3.5px)}
.faq-chevron::after{transform:rotate(-45deg) translateX(3.5px)}
.faq-item[open] .faq-chevron::before{transform:rotate(-45deg) translateX(-3.5px)}
.faq-item[open] .faq-chevron::after{transform:rotate(45deg) translateX(3.5px)}
.faq-body{padding:0 22px 20px}
.faq-body p{color:var(--muted);font-size:.94rem}

/* ---------- Contacto ---------- */
.contact{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(145deg,var(--brand-ink) 0%,#0f2b30 55%,var(--ink-2) 100%);
}
.contact::before,.contact::after{
  content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.4;pointer-events:none;
}
.contact::before{width:460px;height:460px;top:-160px;left:-140px;background:rgba(69,170,184,.5)}
.contact::after{width:400px;height:400px;bottom:-160px;right:-120px;background:rgba(247,109,87,.3)}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact .section-sub{color:var(--muted-dark)}
.contact-perks{margin-top:34px;display:grid;gap:18px}
.contact-perks li{display:flex;align-items:center;gap:14px}
.perk-icon{
  width:46px;height:46px;border-radius:13px;flex:none;
  display:grid;place-items:center;font-size:1.2rem;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);
}
.contact-perks strong{display:block;color:#fff;line-height:1.3}
.contact-perks small{color:var(--muted-dark);font-weight:600}

.contact-form{
  background:var(--surface);border-radius:var(--radius);
  padding:34px 32px;box-shadow:var(--shadow-lift);
  display:grid;gap:16px;color:var(--text);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:grid;gap:7px}
.form-field label{font-size:.84rem;font-weight:700;color:var(--brand-ink)}
.form-field input,.form-field select,.form-field textarea{
  font-family:var(--font-body);font-size:.95rem;color:var(--text);
  background:var(--bg);border:1.5px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.form-field textarea{resize:vertical;min-height:80px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(69,170,184,.18);
}
.form-field input.invalid{border-color:var(--accent-deep);box-shadow:0 0 0 4px rgba(217,78,57,.14)}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:.85rem;color:var(--muted)}
.form-check input{width:17px;height:17px;margin-top:2px;accent-color:var(--brand-deep)}
.form-check a{color:var(--brand-deep);font-weight:700;text-decoration:underline;text-underline-offset:2px}
.form-success{
  text-align:center;font-weight:700;color:#22794f;
  background:var(--green-soft);border:1px solid #bfe6d3;
  border-radius:var(--radius-sm);padding:14px;font-size:.92rem;
}
.form-error{
  text-align:center;font-weight:600;color:var(--accent-deep);
  background:var(--accent-soft);border:1px solid #f6c4b8;
  border-radius:var(--radius-sm);padding:12px;font-size:.88rem;
}

/* ---------- Footer ---------- */
.footer{background:#0b1d21;color:var(--muted-dark);padding:64px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer .logo{color:#fff;margin-bottom:14px}
.footer-brand p{font-size:.92rem;max-width:300px}
.footer-col h4{
  font-family:var(--font-display);color:#fff;font-size:.85rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;
}
.footer-col a{display:block;font-size:.92rem;font-weight:600;padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-note{font-size:.85rem;margin-top:6px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px 30px;justify-content:space-between;
  font-size:.82rem;
}
.footer-disclaimer{max-width:560px;opacity:.75}

/* ---------- Animaciones de entrada ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .license-card,.float-chip{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- Estudio: tarjetas de capítulos ---------- */
.chapter-cards{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;
}
.chapter-card{
  position:relative;display:flex;flex-direction:column;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px 20px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.chapter-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lift);border-color:var(--brand)}
.cc-num{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:6px;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 6px 14px -6px rgba(46,132,146,.6);
}
.chapter-card:nth-child(2) .cc-num{background:linear-gradient(135deg,var(--accent),var(--accent-deep));box-shadow:0 6px 14px -6px rgba(217,78,57,.55)}
.chapter-card:nth-child(3) .cc-num{background:linear-gradient(135deg,var(--amber),#d99a1f);box-shadow:0 6px 14px -6px rgba(217,154,31,.55)}
.chapter-card:nth-child(4) .cc-num{background:linear-gradient(135deg,var(--green),#2f9668);box-shadow:0 6px 14px -6px rgba(47,150,104,.55)}
.chapter-card:nth-child(5) .cc-num{background:linear-gradient(135deg,var(--ink-2),var(--brand-ink));box-shadow:0 6px 14px -6px rgba(12,34,38,.5)}
.chapter-card h3{color:var(--brand-ink);font-size:1rem;line-height:1.35}
.chapter-card p{color:var(--muted);font-size:.83rem;font-weight:600}
.cc-cta{
  margin-top:auto;padding-top:10px;
  font-weight:800;font-size:.85rem;color:var(--brand-deep);
  transition:transform .2s ease;
}
.chapter-card:hover .cc-cta{transform:translateX(4px);color:var(--accent-deep)}

.tests-teaser{
  margin-top:26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--amber-soft);border:1.5px dashed #f3ddad;
  border-radius:var(--radius);padding:20px 24px;
  color:#6d5410;font-size:.93rem;
}
.tests-teaser p{flex:1;min-width:230px}
.teaser-btn{flex:none}
.tests-teaser strong{color:#a87708}
.teaser-icon{font-size:1.6rem;flex:none}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .features{grid-template-columns:repeat(2,1fr)}
  .stats-bar{grid-template-columns:repeat(2,1fr);gap:26px}
  .stat:nth-child(odd){border-left:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line-soft);padding-top:22px}
}

@media (max-width:860px){
  .section{padding:70px 0}
  .hero-inner,.calc-grid,.contact-grid{grid-template-columns:1fr;gap:44px}
  .steps,.testimonials{grid-template-columns:1fr}
  .courses{grid-template-columns:1fr}
  .hero-visual{margin-top:10px}
  .chip-1{left:-2px}.chip-2{right:-2px}
  .footer-grid{grid-template-columns:1fr 1fr}


}

@media (min-width:1201px) and (max-width:1400px){
  .nav-links{gap:16px}
  .nav-links a{font-size:.85rem}
  .nav-inner{gap:14px}
  .nav-actions{gap:8px}
}

@media (max-width:1200px){
  .nav-links{
    position:fixed;top:66px;left:0;right:0;
    flex-direction:column;gap:4px;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:16px 5%;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s;
    box-shadow:var(--shadow-lift);
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:12px 6px;border-bottom:1px solid var(--line-soft);font-size:1rem}
  .nav-links a:last-child{border-bottom:0}
  .nav-toggle{display:flex}
  .nav-actions .btn{display:none}
}

@media (max-width:560px){
  .nav-inner{gap:8px}
  .nav .logo-img{height:26px}
  .nav-actions{gap:8px}
  #rtcCuentaLink{padding:8px 12px;font-size:.78rem}
  .test-topbar{flex-wrap:wrap}
  .test-topbar .topbar-links{width:100%;justify-content:flex-end}
  .rtc-page-top{flex-wrap:wrap}
  .features,.form-row{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:1fr 1fr;padding:24px 20px}
  .hero-cta .btn{width:100%}
  .contact-form{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr}
  .license-card{padding:22px 20px}
}

/* Logotipo (img/logo): versión para fondo claro y versión blanca para fondo oscuro */
.logo-img{height:36px;width:auto;display:block}
.logo .on-dark{display:none}
html[data-theme="dark"] .logo .on-light{display:none}
html[data-theme="dark"] .logo .on-dark{display:block}
.footer .logo .on-light{display:none}
.footer .logo .on-dark{display:block}

/* titular destacado de la portada */
.hero-banner{display:inline-block;margin:6px 0 22px;padding:10px 22px;border-radius:999px;font-family:'Unbounded',system-ui,sans-serif;font-weight:700;font-size:clamp(1.05rem,2.6vw,1.45rem);line-height:1.2;color:#fff;background:linear-gradient(135deg,#f76b57,#dc4f3b);box-shadow:0 10px 28px rgba(220,79,59,.35)}
/* la etiqueta de preguntas destaca más que el resto */
.chip-2{padding:16px 22px;gap:14px;border-radius:20px;box-shadow:0 16px 40px rgba(0,0,0,.35)}
.chip-2 .chip-icon{width:56px;height:56px;font-size:1.6rem;border-radius:16px}
.chip-2 strong{font-family:'Unbounded',system-ui,sans-serif;font-size:1.9rem;line-height:1;color:#dc4f3b}
.chip-2 small{font-size:.95rem;color:var(--brand-ink)}
.chip-2{bottom:-96px;right:0}

.h2-like{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700}
/* listas de las guías: con viñetas y sangría */
.guia ul{list-style:disc;padding-left:1.4em}.guia ul li{margin:6px 0}

/* tarjetas flotantes de la portada: textos más largos */
.chip-2 strong{font-size:1.15rem;line-height:1.2}
.chip-2 small{font-size:.85rem;max-width:190px;display:block;line-height:1.3}
.chip-1 strong{font-size:.95rem}
.license-badge{white-space:nowrap;flex-shrink:0}

/* etiqueta de temario actualizado, arriba a la derecha del bloque principal */
.hero-update{
  position:absolute;top:-6px;right:0;z-index:2;display:inline-flex;align-items:center;gap:12px;
  padding:9px 22px 9px 9px;border-radius:999px;color:#fff;overflow:visible;
  background:linear-gradient(120deg,#ff8a3d,#f76d57 45%,#e23b6a);
  box-shadow:0 0 0 2px rgba(255,255,255,.18),0 12px 34px rgba(247,109,87,.55);
  animation:hu-flota 3.2s ease-in-out infinite,hu-brilla 2.4s ease-in-out infinite;
}
.hero-update::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);
  background-size:250% 100%;background-position:200% 0;animation:hu-barrido 3.4s ease-in-out infinite;
}
.hu-new{
  font-size:.72rem;font-weight:900;letter-spacing:.14em;color:#e23b6a;background:#fff;
  padding:7px 12px;border-radius:999px;text-transform:uppercase;box-shadow:0 2px 8px rgba(0,0,0,.18);
}
.hu-text{display:flex;flex-direction:column;line-height:1.15;text-align:left;white-space:nowrap}
.hu-text b{font-size:1.02rem;font-weight:800}
.hu-text small{font-size:.76rem;font-weight:600;opacity:.92;letter-spacing:.02em}
.hu-ping{
  position:absolute;top:-4px;right:-2px;width:14px;height:14px;border-radius:50%;background:#ffd23f;
  box-shadow:0 0 0 0 rgba(255,210,63,.8);animation:hu-ping 1.7s ease-out infinite;
}
@keyframes hu-flota{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes hu-brilla{0%,100%{box-shadow:0 0 0 2px rgba(255,255,255,.18),0 12px 34px rgba(247,109,87,.5)}50%{box-shadow:0 0 0 4px rgba(255,255,255,.3),0 14px 46px rgba(255,138,61,.85)}}
@keyframes hu-barrido{0%{background-position:200% 0}60%,100%{background-position:-100% 0}}
@keyframes hu-ping{0%{box-shadow:0 0 0 0 rgba(255,210,63,.8)}100%{box-shadow:0 0 0 16px rgba(255,210,63,0)}}
@media (prefers-reduced-motion:reduce){.hero-update,.hero-update::after,.hu-ping{animation:none}}
@media (max-width:900px){.hero-update{position:relative;top:auto;justify-self:start;margin-bottom:-26px}}