/* ===================================================================
   Kit Profesor Personal de Python™ — página de ventas
   Página independiente (su propio header/footer, nav reducida a
   anclas internas — decisión deliberada de conversión: menos salidas
   en una página de venta). Recoloreada al sistema "Negro y bronce
   disciplinado" compartido con el resto del sitio.
   =================================================================== */
:root{
  --bg:#0B0B0C;
  --panel: rgba(237,235,228,0.05);
  --panel-2: rgba(237,235,228,0.08);
  --line: rgba(237,235,228,0.14);
  --line-strong: rgba(237,235,228,0.40); /* ajustado: contraste de borde WCAG AA (3:1) */
  --ink:#EDEBE4;
  --muted:#9A968A;
  --faint:#86816E; /* ajustado: contraste WCAG AA (5:1) sobre --bg */
  --accent:#B8923D;
  --accent-hover:#CBA452;
  --accent-soft: rgba(184,146,61,0.12);
  --accent-ink:#0B0B0C;
  --radius:10px;
  --radius-btn:4px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --max:1160px;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --sans: -apple-system, "Segoe UI", ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}
a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:12px;background:var(--accent);color:var(--accent-ink);padding:10px 14px;border-radius:var(--radius-btn);z-index:999;font-weight:600}.skip-link:focus{left:12px}
.page-glow{display:none}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,12,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.brand-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;color:var(--accent-ink);background:var(--accent);font-family:var(--serif);font-weight:700;font-size:13px}
.desktop-nav{display:flex;gap:24px;color:var(--muted);font-size:13px}
.desktop-nav a:hover{color:var(--ink)}
.section-pad{padding:88px 0}.hero{padding:64px 0 72px}
.hero-grid,.two-col,.demo-grid,.pricing-grid,.faq-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 16px;color:var(--accent);font-family:var(--mono);font-weight:600;text-transform:uppercase;letter-spacing:.1em;font-size:11px}
.eyebrow:before{content:"";width:22px;height:1px;background:var(--accent)}
h1,h2,h3,p{margin-top:0}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(30px,5.5vw,50px);line-height:1.15;letter-spacing:-.01em;margin-bottom:20px;color:var(--ink)}
h2{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3.6vw,34px);line-height:1.2;letter-spacing:-.005em;margin-bottom:16px;color:var(--ink)}
h3{font-size:16.5px;line-height:1.3;font-weight:600;color:var(--ink)}
.hero-subtitle,.center-heading p,.section-heading p,.demo-grid p,.pricing-grid p,.final-card p{font-size:15px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;border-radius:var(--radius-btn);font-weight:600;font-size:13.5px;letter-spacing:0;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,transform .1s ease}
.btn:active{transform:scale(0.98)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-outline{border-color:var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent-soft)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--muted)}
.btn-small{min-height:40px;padding:9px 15px;font-size:12.5px}
.btn-full{width:100%}
.trust-row{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12.5px}
.trust-row span{background:var(--panel);border:1px solid var(--line);padding:7px 12px;border-radius:20px}
.hero-card{position:relative}
.hero-image-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line-strong)}
.hero-image-frame img{width:100%;display:block}
.floating-proof{position:absolute;right:-14px;bottom:-22px;width:210px;background:var(--ink);color:var(--bg);border-radius:8px;padding:16px;box-shadow:var(--shadow)}
.floating-proof strong,.floating-proof span{display:block}
.floating-proof span{color:#4A483F;font-size:.88rem}
.proof-strip{border-block:1px solid var(--line);background:var(--panel)}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:24px 0}
.proof-grid div{display:grid;gap:4px}
.proof-grid strong{color:var(--accent);font-size:14.5px}
.proof-grid span{color:var(--muted);font-size:12.5px}
.section-muted{background:var(--panel);border-block:1px solid var(--line)}
.pain-list{display:grid;gap:14px}
.pain-list article,.step-card,.bento-card,.price-card,details,.instructor-card,.final-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.pain-list span,.step-card span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-family:var(--mono);font-weight:700;margin-bottom:12px}
.pain-list p,.step-card p,.bento-card p,details p{color:var(--muted);margin-bottom:0;font-size:13.5px}
.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:11px}
.check-list li{position:relative;padding-left:28px;color:var(--ink);font-size:14px}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.center-heading{text-align:center;max-width:720px;margin:0 auto 42px}
.center-heading .eyebrow{justify-content:center}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bento-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
.bento-card.large{grid-row:span 2;min-height:340px;background:linear-gradient(180deg,var(--accent-soft),var(--panel-2))}
.instructor-card{display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:center}
.instructor-photo{width:140px;height:140px;border-radius:50%;overflow:hidden;background:var(--accent-soft);border:1px solid var(--line-strong)}
.instructor-photo img{width:100%;height:100%;object-fit:cover;display:block}
.mini-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.mini-tags span{padding:7px 12px;border-radius:20px;background:var(--panel);border:1px solid var(--line);color:var(--ink);font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.04em}
.price-card{background:var(--ink);color:var(--bg);box-shadow:var(--shadow)}
.price-badge{display:inline-flex;background:var(--bg);color:var(--accent);font-family:var(--mono);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.05em;border-radius:20px;padding:7px 12px;margin-bottom:14px}
.price-note,.secure-note{color:#4A483F!important}
.secure-note{font-size:.85rem;text-align:center;margin:14px 0 0}
.faq-grid{align-items:start}
.faq-list{display:grid;gap:10px}
summary{cursor:pointer;font-weight:600;font-size:14.5px}
details p{margin-top:12px}
.final-card{text-align:center;background:linear-gradient(180deg,var(--accent-soft),var(--panel-2));padding:52px}
.final-card .eyebrow{justify-content:center}
.final-card p{margin-inline:auto}
.site-footer{border-top:1px solid var(--line);padding:30px 0 88px;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer-inner p{margin:0;font-size:13px}
.footer-inner a{color:var(--accent);font-size:13px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}
.delay-1{transition-delay:.06s}.delay-2{transition-delay:.12s}.delay-3{transition-delay:.18s}

.comparison-table{display:grid;gap:12px}
.table-row{display:grid;grid-template-columns:1fr;gap:10px;background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden}
.table-row.table-head{grid-template-columns:1fr 1fr;gap:0;background:var(--accent-soft);border-radius:8px}
.table-row.table-head>div{padding:11px 10px;font-family:var(--mono);font-size:.7rem;text-align:center;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--accent)}
.table-row:not(.table-head)>div{padding:14px 16px 14px 38px;position:relative;color:var(--ink);font-size:13.5px}
.table-row:not(.table-head)>div:first-child{color:var(--muted)}
.table-row:not(.table-head)>div:first-child::before{content:"✕";position:absolute;left:14px;top:14px;color:var(--faint);font-weight:700}
.table-row:not(.table-head)>div:last-child{background:var(--accent-soft)}
.table-row:not(.table-head)>div:last-child::before{content:"✓";position:absolute;left:14px;top:14px;color:var(--accent);font-weight:700}
.table-label{display:block;font-size:.65rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600;opacity:.65;margin-bottom:3px}
@media (min-width:641px){
  .comparison-table{display:block;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
  .table-row{display:grid;grid-template-columns:1fr 1fr;gap:0;background:none;border:0;border-radius:0}
  .table-row>div{padding:18px;border-bottom:1px solid var(--line)}
  .table-row:not(.table-head)>div{padding-left:18px}
  .table-row:not(.table-head)>div:first-child::before,
  .table-row:not(.table-head)>div:last-child::before{content:none}
  .table-row:not(.table-head)>div:last-child{background:none}
  .table-row>div+div{border-left:1px solid var(--line)}
  .table-row.table-head{background:var(--accent-soft);border-radius:0}
  .table-row.table-head>div{font-size:.85rem;text-align:left;padding:18px}
  .table-label{display:none}
}

@media (max-width:960px){.desktop-nav{display:none}.hero-grid,.two-col,.demo-grid,.pricing-grid,.faq-grid{grid-template-columns:1fr;gap:32px}.steps-grid{grid-template-columns:repeat(2,1fr)}.bento-grid{grid-template-columns:1fr}.bento-card.large{min-height:auto}.proof-grid{grid-template-columns:1fr}.floating-proof{position:static;width:auto;margin-top:14px}.instructor-card{grid-template-columns:1fr}.section-pad{padding:64px 0}.hero{padding:52px 0 56px}}
@media (max-width:640px){.container{width:min(100% - 28px,var(--max))}.header-inner{height:60px}.header-inner .btn{display:none}.hero-actions .btn{width:100%}.steps-grid{grid-template-columns:1fr}.instructor-photo{width:110px;height:110px}.mobile-sticky-cta{display:block}.site-footer{padding-bottom:100px}.final-card{padding:32px 20px}.section-pad{padding:52px 0}}
.hero-price-line{display:inline-flex;align-items:center;gap:8px;margin:16px 0 0;padding:8px 14px;border-radius:20px;background:var(--accent-soft);border:1px solid var(--line-strong);color:var(--accent);font-weight:600;font-size:.85rem}
.hero-price-line time{font-weight:700}
.value-note{background:var(--accent-soft);border:1px solid var(--line-strong);border-radius:var(--radius);padding:16px 18px;color:var(--ink)!important;font-size:.92rem;line-height:1.55;margin:22px 0 0;max-width:none}
.price-amount{display:flex;align-items:baseline;gap:6px;margin:4px 0 6px}
.price-amount .price-currency{font-size:1.1rem;font-weight:700;color:var(--bg)}
.price-amount .price-number{font-family:var(--serif);font-size:2.8rem;font-weight:400;letter-spacing:-.02em;line-height:1;color:var(--bg)}
.price-expiry{font-weight:600;color:#4A3A16!important;margin:0 0 4px;max-width:none;font-size:.9rem}
.price-expiry time{color:#6B5220}
.price-disclaimer{color:#5c5c5c!important;font-size:.78rem;line-height:1.5;text-align:center;margin:14px 0 0}
@media (max-width:640px){.hero-price-line{white-space:normal;text-align:center}}
.mobile-sticky-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(11,11,12,.9);backdrop-filter:blur(14px);padding:12px 16px;border-top:1px solid var(--line)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.reveal{transition:none}.btn:hover{transform:none}}