/* ============================================================
   PERDER MIEDO A VOLAR — Design System CSS
   Tipografía: Montserrat (única familia, pesos variables)
   ============================================================ */

/* ── CUSTOM PROPERTIES ── */
:root {
  --primary:    var(--user-primary, #5aa8f0);
  --primary-d:  color-mix(in srgb, var(--primary) 70%, #000);
  --bg:         var(--user-bg, #060d1a);
  --bg2:        #0b1628;
  --panel:      #0f1e35;
  --panel2:     #142440;
  --border:     rgba(255,255,255,0.07);
  --border2:    rgba(255,255,255,0.13);
  --white:      #eef3ff;
  --dim:        #6a85aa;
  --gold:       #f0c060;
  --green:      #4ec98e;
  --red:        #e06060;
  --amber:      #f0986a;
  --purple:     #9b7ef0;
  --teal:       #3ecfb8;
  --r:          16px;
  --r-sm:       10px;
  --shadow:     0 4px 24px rgba(0,0,0,0.4);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top:    env(safe-area-inset-top, 0px);
  /* Montserrat en todos los contextos — pesos distintos por rol */
  --font-head:  'Montserrat', 'Helvetica Neue', sans-serif;
  --font-ui:    'Montserrat', 'Helvetica Neue', sans-serif;
  --font-body:  'Montserrat', 'Helvetica Neue', sans-serif;
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html { scroll-behavior:smooth; -webkit-text-size-adjust:100%; font-size:16px; }
body { background:var(--bg); color:var(--white); font-family:'Montserrat', sans-serif; font-weight:300; line-height:1.68; overflow-x:hidden; }
a { color:var(--primary); text-decoration:none; }
a:hover { text-decoration:underline; }
img, svg { max-width:100%; display:block; }
input, button, select, textarea { font-family:'Montserrat', sans-serif; }

/* ── TYPOGRAPHY — Montserrat unified scale ── */
/* h1 hero: 800 extrabold — impacto máximo */
h1 { font-family:'Montserrat', sans-serif; font-weight:800; line-height:1.15; color:var(--white); letter-spacing:-0.02em; }
/* h2 section: 700 bold */
h2 { font-family:'Montserrat', sans-serif; font-weight:700; line-height:1.2; color:var(--white); letter-spacing:-0.01em; }
/* h3 card titles: 600 semibold */
h3 { font-family:'Montserrat', sans-serif; font-weight:600; line-height:1.3; color:var(--white); }
/* h4 labels: 600 */
h4, h5 { font-family:'Montserrat', sans-serif; font-weight:600; line-height:1.35; color:var(--white); }

/* Mobile-first controlled sizes */
h1 { font-size:1.7rem; }
h2 { font-size:1.3rem; }
h3 { font-size:1rem; }
h4 { font-size:0.88rem; }
@media(min-width:600px) {
  h1 { font-size:2.2rem; }
  h2 { font-size:1.6rem; }
  h3 { font-size:1.1rem; }
}
@media(min-width:900px) {
  h1 { font-size:2.8rem; }
  h2 { font-size:2rem; }
  h3 { font-size:1.2rem; }
}

p  { font-size:0.9rem; color:var(--dim); line-height:1.75; margin-bottom:0.75rem; font-weight:300; }
p:last-child { margin-bottom:0; }
p strong { color:var(--white); font-weight:600; }
em { font-style:italic; color:var(--primary); }

/* ── LAYOUT ── */
.container    { max-width:1100px; margin:0 auto; padding:0 1.25rem; }
.container-sm { max-width:680px;  margin:0 auto; padding:0 1.25rem; }
.section    { padding:5rem 0; }
.section-sm { padding:3rem 0; }

/* ── GRID ── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; }
@media(max-width:768px) { .grid-2,.grid-3 { grid-template-columns:1fr; } }

/* ── NAVBAR ── */
.navbar {
  position:sticky; top:0; z-index:100;
  background:rgba(6,13,26,0.92);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:0.75rem 0;
}
.navbar-inner   { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.navbar-logo    { display:flex; align-items:center; }
.navbar-logo img { height:40px; }
.navbar-nav     { display:flex; align-items:center; gap:0.25rem; }
.navbar-nav a   { color:var(--dim); font-size:0.8rem; font-weight:500; padding:0.45rem 0.85rem; border-radius:999px; transition:all .2s; border:1px solid transparent; letter-spacing:0.01em; }
.navbar-nav a:hover  { color:var(--white); text-decoration:none; }
.navbar-nav a.active { color:var(--primary); background:rgba(90,168,240,0.1); border-color:rgba(90,168,240,0.2); }
.navbar-cta  { background:var(--primary) !important; color:#060d1a !important; border-color:transparent !important; font-weight:700 !important; }
.navbar-cta:hover { opacity:0.9; }
.navbar-toggle { display:none; background:none; border:none; cursor:pointer; padding:0.5rem; }
.navbar-toggle span { display:block; width:22px; height:2px; background:var(--white); margin:4px 0; border-radius:2px; transition:all .3s; }
@media(max-width:768px) {
  .navbar-nav { display:none; flex-direction:column; position:absolute; top:100%; left:0; right:0; background:rgba(6,13,26,0.98); padding:1rem; border-bottom:1px solid var(--border); }
  .navbar-nav.open { display:flex; }
  .navbar-toggle { display:block; }
}

/* ── BUTTONS ── */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:0.5rem; padding:0.75rem 1.75rem; border-radius:999px; font-family:'Montserrat', sans-serif; font-size:0.82rem; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; border:none; cursor:pointer; transition:all .2s; text-decoration:none !important; min-height:44px; }
.btn-primary { background:var(--primary); color:#060d1a; }
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 4px 16px rgba(90,168,240,0.4); }
.btn-outline { background:transparent; color:var(--primary); border:1px solid var(--primary); }
.btn-outline:hover { background:rgba(90,168,240,0.1); }
.btn-ghost { background:rgba(255,255,255,0.06); color:var(--white); border:1px solid var(--border2); }
.btn-ghost:hover { background:rgba(255,255,255,0.1); }
.btn-danger { background:rgba(224,96,96,0.15); color:var(--red); border:1px solid rgba(224,96,96,0.35); }
.btn-lg  { padding:0.95rem 2.5rem; font-size:0.88rem; }
.btn-sm  { padding:0.45rem 1rem; font-size:0.72rem; }
.btn-full { width:100%; }
.btn:active   { transform:scale(0.97); }
.btn:disabled { opacity:0.5; cursor:not-allowed; transform:none !important; }

/* ── CARDS ── */
.card { background:var(--panel); border:1px solid var(--border); border-radius:var(--r); padding:1.5rem; }
.card-sm { padding:1rem; }
.card-hover { transition:transform .2s, border-color .2s; }
.card-hover:hover { transform:translateY(-2px); border-color:var(--border2); }
.card-title { font-size:0.72rem; font-weight:700; letter-spacing:0.14em; text-transform:uppercase; color:var(--dim); margin-bottom:1rem; }

/* ── FORMS ── */
.form-group  { margin-bottom:1.1rem; }
.form-label  { display:block; font-size:0.72rem; font-weight:600; color:var(--dim); margin-bottom:0.4rem; letter-spacing:0.08em; text-transform:uppercase; }
.form-input  { width:100%; background:rgba(255,255,255,0.05); border:1px solid var(--border2); border-radius:var(--r-sm); padding:0.75rem 1rem; color:var(--white); font-size:0.9rem; font-family:'Montserrat', sans-serif; font-weight:400; transition:border-color .2s; outline:none; -webkit-appearance:none; }
.form-input:focus  { border-color:var(--primary); }
.form-input::placeholder { color:var(--dim); }
.form-alert   { background:rgba(224,96,96,0.1); border:1px solid rgba(224,96,96,0.3); color:var(--red); border-radius:var(--r-sm); padding:0.75rem 1rem; font-size:0.84rem; margin-bottom:1rem; }
.form-success { background:rgba(78,201,142,0.1); border:1px solid rgba(78,201,142,0.3); color:var(--green); border-radius:var(--r-sm); padding:0.75rem 1rem; font-size:0.84rem; margin-bottom:1rem; }

/* ── BADGES ── */
.badge        { display:inline-block; font-size:0.65rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; padding:0.25rem 0.75rem; border-radius:999px; }
.badge-blue   { background:rgba(90,168,240,.15); border:1px solid rgba(90,168,240,.3); color:var(--primary); }
.badge-green  { background:rgba(78,201,142,.12); border:1px solid rgba(78,201,142,.3); color:var(--green); }
.badge-gold   { background:rgba(240,192,96,.12); border:1px solid rgba(240,192,96,.3); color:var(--gold); }
.badge-purple { background:rgba(155,126,240,.12); border:1px solid rgba(155,126,240,.3); color:var(--purple); }
.badge-teal   { background:rgba(62,207,184,.12); border:1px solid rgba(62,207,184,.3); color:var(--teal); }
.badge-red    { background:rgba(224,96,96,.12); border:1px solid rgba(224,96,96,.3); color:var(--red); }
.badge-free   { background:rgba(78,201,142,.15); border:1px solid rgba(78,201,142,.35); color:var(--green); font-weight:700; }
.badge-paid   { background:rgba(240,192,96,.15); border:1px solid rgba(240,192,96,.35); color:var(--gold); font-weight:700; }

/* ── PROGRESS BAR ── */
.progress-track { background:rgba(255,255,255,0.06); border-radius:999px; height:6px; overflow:hidden; }
.progress-fill  { height:100%; border-radius:999px; background:linear-gradient(90deg,var(--primary),var(--teal)); transition:width 0.5s ease; }

/* ── SECTION HEADERS ── */
.section-label { font-size:0.65rem; font-weight:700; letter-spacing:0.22em; text-transform:uppercase; color:var(--primary); margin-bottom:0.6rem; display:flex; align-items:center; gap:0.75rem; }
.section-label::after { content:''; flex:1; max-width:40px; height:1px; background:var(--primary); opacity:0.4; }

/* ── HERO ── */
.hero { min-height:100vh; min-height:100dvh; display:flex; align-items:center; position:relative; overflow:hidden; background:radial-gradient(ellipse at 50% 60%, #0d2244 0%, var(--bg) 65%); }
.hero-content { position:relative; z-index:2; }
.hero h1 em { color:var(--primary); font-style:normal; }
.hero-stars  { position:absolute; inset:0; pointer-events:none; z-index:1; }

/* ── COURSE MODULE CARDS ── */
.module-card { background:var(--panel); border:1px solid var(--border); border-radius:var(--r); overflow:hidden; transition:all .25s; }
.module-card.unlocked:hover { transform:translateY(-2px); border-color:rgba(90,168,240,0.3); box-shadow:var(--shadow); }
.module-card.locked { opacity:0.65; }
.module-header { padding:1.25rem 1.5rem; display:flex; align-items:flex-start; justify-content:space-between; gap:1rem; cursor:pointer; }
.module-icon   { font-size:1.6rem; flex-shrink:0; margin-top:2px; }
.module-meta   { flex:1; }
.module-title  { font-size:0.92rem; font-weight:600; color:var(--white); margin-bottom:0.3rem; letter-spacing:0.01em; }
.module-desc   { font-size:0.8rem; color:var(--dim); font-weight:300; }
.module-body   { border-top:1px solid var(--border); }
.lesson-item   { display:flex; align-items:center; gap:1rem; padding:0.85rem 1.5rem; border-bottom:1px solid var(--border); transition:background .15s; cursor:pointer; }
.lesson-item:last-child { border-bottom:none; }
.lesson-item:hover { background:rgba(255,255,255,0.03); }
.lesson-item.done   { opacity:0.7; }
.lesson-item.locked { cursor:default; }
.lesson-check  { width:22px; height:22px; border-radius:50%; border:1px solid var(--border2); display:flex; align-items:center; justify-content:center; font-size:0.7rem; flex-shrink:0; }
.lesson-check.done   { background:rgba(78,201,142,0.2); border-color:rgba(78,201,142,0.4); color:var(--green); }
.lesson-check.active { border-color:var(--primary); color:var(--primary); }
.lesson-title  { font-size:0.86rem; font-weight:400; color:var(--white); flex:1; }
.lesson-title.locked { color:var(--dim); }
.lesson-lock   { font-size:0.75rem; color:var(--dim); }

/* ── FOOTER ── */
.footer { background:var(--bg2); border-top:1px solid var(--border); padding:3rem 0 2rem; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:2rem; margin-bottom:2rem; }
.footer-brand p { font-size:0.82rem; margin-top:0.75rem; font-weight:300; }
.footer-col h4 { font-size:0.72rem; font-weight:700; letter-spacing:0.12em; text-transform:uppercase; color:var(--dim); margin-bottom:0.75rem; }
.footer-col a  { display:block; font-size:0.82rem; font-weight:300; color:var(--dim); margin-bottom:0.35rem; transition:color .2s; }
.footer-col a:hover { color:var(--white); text-decoration:none; }
.footer-bottom { border-top:1px solid var(--border); padding-top:1.5rem; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:0.75rem; font-size:0.74rem; color:var(--dim); font-weight:300; }
@media(max-width:768px) { .footer-grid { grid-template-columns:1fr; } .footer-bottom { flex-direction:column; text-align:center; } }

/* ── TOAST ── */
.toast { position:fixed; bottom:calc(80px + var(--safe-bottom)); right:1rem; background:var(--panel); border:1px solid var(--border2); border-radius:var(--r-sm); padding:0.85rem 1.25rem; font-size:0.83rem; font-weight:500; color:var(--white); box-shadow:var(--shadow); z-index:500; animation:slideIn .3s ease; max-width:320px; }
.toast.success { border-left:3px solid var(--green); }
.toast.error   { border-left:3px solid var(--red); }
@keyframes slideIn { from{opacity:0;transform:translateX(20px)} to{opacity:1;transform:none} }

/* ── CONTENT PROTECTION ── */
.protected-content { user-select:none; -webkit-user-select:none; -moz-user-select:none; position:relative; }
.protected-content * { user-select:none !important; -webkit-user-select:none !important; }
.watermark-overlay { position:absolute; inset:0; pointer-events:none; z-index:10; display:flex; align-items:center; justify-content:center; opacity:0.03; font-size:1.1rem; font-weight:600; letter-spacing:0.2em; text-transform:uppercase; color:var(--white); transform:rotate(-30deg); white-space:nowrap; }

/* ── UTILITIES ── */
.text-center  { text-align:center; }
.text-dim     { color:var(--dim); }
.text-primary { color:var(--primary); }
.text-gold    { color:var(--gold); }
.text-green   { color:var(--green); }
.text-red     { color:var(--red); }
.mt-1{margin-top:0.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-1{margin-bottom:0.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}
.hidden { display:none !important; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ── PWA BOTTOM NAV ── */
.pwa-nav { display:none; }
@media(max-width:768px) {
  body.app-mode { padding-bottom:calc(64px + var(--safe-bottom)); }
  .pwa-nav { display:flex; position:fixed; bottom:0; left:0; right:0; z-index:90; background:rgba(6,13,26,0.96); backdrop-filter:blur(20px); border-top:1px solid var(--border); padding-bottom:var(--safe-bottom); }
  .pwa-nav-item { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:0.55rem 0.25rem; cursor:pointer; gap:0.2rem; min-height:56px; text-decoration:none; color:var(--dim); transition:color .2s; }
  .pwa-nav-item.active { color:var(--primary); }
  .pwa-nav-icon  { font-size:1.2rem; line-height:1; }
  .pwa-nav-label { font-size:0.58rem; font-weight:600; letter-spacing:0.05em; }
}

/* ── ANIMATIONS ── */
@keyframes fadeUp { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:none} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes pulse  { 0%,100%{opacity:1} 50%{opacity:0.6} }
.anim-fade-up { animation:fadeUp 0.4s ease forwards; }
.anim-fade-in { animation:fadeIn 0.4s ease forwards; }

/* ── LANDING ── */
.feature-icon { width:48px; height:48px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; flex-shrink:0; }
.testimonial-card   { background:var(--panel); border:1px solid var(--border); border-radius:var(--r); padding:1.5rem; }
.testimonial-stars  { color:var(--gold); font-size:1rem; margin-bottom:0.65rem; }
.testimonial-text   { font-size:0.88rem; font-weight:300; color:var(--white); margin-bottom:1rem; font-style:italic; }
.testimonial-author { font-size:0.78rem; font-weight:600; color:var(--dim); }
.faq-item { border-bottom:1px solid var(--border); }
.faq-q { padding:1.1rem 0; cursor:pointer; display:flex; justify-content:space-between; align-items:center; font-weight:500; color:var(--white); font-size:0.9rem; }
.faq-a { font-size:0.84rem; font-weight:300; color:var(--dim); padding-bottom:1rem; display:none; }
.faq-a.open { display:block; }

/* ── DASHBOARD ── */
.dash-welcome   { background:linear-gradient(135deg, var(--panel) 0%, rgba(90,168,240,0.08) 100%); border:1px solid rgba(90,168,240,0.2); border-radius:var(--r); padding:1.5rem; margin-bottom:1.5rem; }
.dash-welcome h2 { font-size:1.5rem; margin-bottom:0.25rem; }
.dash-motiv     { font-size:0.86rem; font-weight:400; color:var(--primary); font-style:italic; margin:0; }
.dash-stats     { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-bottom:1.5rem; }
.dash-stat      { background:var(--panel); border:1px solid var(--border); border-radius:var(--r-sm); padding:1rem; text-align:center; }
.dash-stat-num  { font-size:1.8rem; font-weight:800; color:var(--primary); line-height:1; }
.dash-stat-label { font-size:0.7rem; font-weight:600; letter-spacing:0.06em; color:var(--dim); margin-top:0.25rem; }
@media(max-width:480px) { .dash-stats { grid-template-columns:1fr 1fr; } }