/* Tu Maestro de Ajedrez — skin over Piloto engine */
:root {
  --ink: #071428;
  --sand: #f4f7fb;
  --accent: #0066ff;
  --teal: #00d26a;
  --gold: #e8b923;
  --gold-2: #f6d56b;
  --red: #c41e3a;
  --navy: #0a1d38;
  --navy-2: #10284a;
  --muted: #5b6b82;
  --card: #ffffff;
  --line: rgba(7, 20, 40, 0.1);
  --shadow: 0 22px 50px rgba(7, 20, 40, 0.16);
  --radius: 20px;
  --font: "Outfit", system-ui, sans-serif;
  --display: "Cinzel", Georgia, serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -8%, rgba(0, 102, 255, 0.1), transparent 55%),
    radial-gradient(800px 380px at 100% 0%, rgba(232, 185, 35, 0.12), transparent 50%),
    var(--sand);
}
h1, h2, h3, .display, .brand, .stat strong, .step .n {
  font-family: var(--display);
}
h1 { max-width: 18ch; }

.topbar {
  background: rgba(7, 20, 40, 0.92);
  border-bottom: 1px solid rgba(232, 185, 35, 0.28);
  color: #fff;
  backdrop-filter: blur(16px);
  padding: 0.65rem 1.1rem;
}
.topbar .brand { color: #fff; display: flex; align-items: center; gap: 0.55rem; }
.topbar .brand-logo { width: 52px !important; height: 52px !important; object-fit: contain; border-radius: 50%; box-shadow: 0 0 0 2px var(--gold); }
.topbar .nav a,
.topbar .nav-item { color: rgba(255,255,255,0.78); }
.topbar .nav a:hover,
.topbar .nav-item:hover { color: var(--gold-2); }
.btn-login {
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}
.btn-solid {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  color: var(--ink);
  border: 0;
  box-shadow: 0 8px 20px rgba(232, 185, 35, 0.28);
}
.btn-solid:hover { filter: brightness(1.05); background: linear-gradient(180deg, #ffe08a, var(--gold)); }
.btn-ghost {
  border-color: rgba(255,255,255,0.28);
  color: #fff;
}
#inicio .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.55);
  background: rgba(255,255,255,0.08);
}
#inicio .btn-ghost:hover {
  background: rgba(255,255,255,0.16);
  border-color: var(--gold-2);
  color: var(--gold-2);
}
.section .btn-ghost { color: var(--ink); border-color: var(--line); }

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  margin: 4px auto;
  border-radius: 2px;
}

.cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}
.cart-count {
  min-width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  display: grid;
  place-items: center;
  padding: 0 0.28rem;
}

/* Hero */
#inicio.section {
  padding: 0;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}
#inicio .section-inner.hero {
  max-width: 1180px;
  padding: 3.2rem 1.25rem 3.6rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 2rem;
  align-items: center;
}
#inicio .kicker { color: var(--gold-2); }
#inicio h1 {
  color: #fff;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
}
#inicio .lede { color: rgba(255,255,255,0.82); max-width: 38rem; }
#inicio .hero-media {
  min-height: 280px;
  border-radius: 24px;
  border: 1px solid rgba(232, 185, 35, 0.35);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
  background: #071428;
}
#inicio .hero-media img {
  min-height: 280px;
  object-fit: cover;
  object-position: center;
}

.tma-board {
  background-image:
    linear-gradient(180deg, rgba(244,247,251,0.92), rgba(244,247,251,0.96)),
    repeating-conic-gradient(#dbe4f2 0% 25%, #eef3fa 0% 50%);
  background-size: auto, 28px 28px;
}

#stats.section { padding-top: 2.2rem; padding-bottom: 1.2rem; }
.stats-grid { grid-template-columns: repeat(4, 1fr); }
.stat {
  background: var(--ink);
  color: #fff;
  border: 1px solid rgba(232,185,35,0.28);
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(7,20,40,0.22); }
.stat strong { color: var(--gold-2); }
.stat span { color: rgba(255,255,255,0.72); font-size: 0.88rem; }

.kicker { color: var(--accent); letter-spacing: 0.16em; }

.cards, .tma-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
  margin-top: 1.6rem;
}
.card, .tma-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.3rem 1.4rem;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  position: relative;
  overflow: hidden;
}
.card::after, .tma-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--teal), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.card:hover, .tma-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: rgba(0,102,255,0.28);
}
.card:hover::after, .tma-card:hover::after { transform: scaleX(1); }

.tma-audience .tma-card { padding: 1.6rem; }
.tma-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--gold-2);
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  margin-bottom: 0.7rem;
}
.tma-card ul { margin: 0.8rem 0 1.1rem; padding-left: 1.1rem; color: var(--muted); }
.tma-card li { margin: 0.3rem 0; }

.tma-pains { grid-template-columns: repeat(3, 1fr); }
.tma-pain .n {
  font-family: var(--display);
  color: var(--accent);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}
.tma-pain[data-audience="maestro"] .n { color: var(--red); }
.tma-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
}
.tma-filters button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  font-weight: 600;
}
.tma-filters button.is-on {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.steps { gap: 0; }
.step {
  border-top: 1px solid var(--line);
  padding: 1.15rem 0;
  transition: background .2s ease, padding-left .2s ease;
}
.step:hover { background: rgba(0,102,255,0.04); padding-left: 0.6rem; }
.step .n { color: var(--gold); }

.tma-route {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.tma-route-item {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.25rem;
  min-height: 170px;
  border: 1px solid rgba(232,185,35,0.22);
  transition: transform .28s ease, border-color .28s ease;
}
.tma-route-item:hover {
  transform: translateY(-8px) rotate(-0.4deg);
  border-color: var(--gold);
}
.tma-route-item .n {
  font-family: var(--display);
  color: var(--gold-2);
  font-size: 1.4rem;
}
.tma-route-item p { color: rgba(255,255,255,0.72); margin: 0.4rem 0 0; }

.tma-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
  margin-top: 1.5rem;
}
.tma-product {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .28s ease, box-shadow .28s ease;
}
.tma-product:hover { transform: translateY(-10px); box-shadow: var(--shadow); }
.tma-product.is-featured { border: 2px solid var(--gold); grid-column: span 1; }
.tma-product-media {
  height: 150px;
  background: var(--navy);
  overflow: hidden;
}
.tma-product-media img { width: 100%; height: 100%; object-fit: cover; }
.tma-product-body { padding: 1rem 1.05rem 1.15rem; display: flex; flex-direction: column; gap: 0.45rem; flex: 1; }
.tma-price {
  font-family: var(--display);
  font-size: 1.45rem;
  color: var(--ink);
}
.tma-price span { font-size: 0.75rem; color: var(--muted); font-family: var(--font); font-weight: 600; }
.tma-product .btn-solid { width: 100%; text-align: center; margin-top: auto; }

.tma-bonuses { grid-template-columns: repeat(5, 1fr); }
.tma-bonus .n { color: var(--teal); font-weight: 800; }

#leccion.section { background: var(--ink); color: #fff; }
#leccion .kicker { color: var(--gold-2); }
#leccion .lede, #leccion figcaption { color: rgba(255,255,255,0.75); }
#leccion .tma-lesson {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.6rem;
  align-items: center;
  margin-top: 1.4rem;
}
#leccion img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(232,185,35,0.3);
  box-shadow: 0 24px 50px rgba(0,0,0,0.35);
}
.tma-quote {
  font-family: var(--display);
  font-size: 1.15rem;
  line-height: 1.4;
  margin: 1rem 0 0.4rem;
  color: var(--gold-2);
}

.cases-grid { grid-template-columns: repeat(3, 1fr); }
.case { transition: transform .28s ease, box-shadow .28s ease; }
.case:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.case-media { background: var(--navy); }
.about-media {
  background: #fff;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}
.about-media img { object-fit: contain; min-height: 220px; max-height: 280px; }

.tma-faq { margin-top: 1.2rem; display: grid; gap: 0.6rem; }
.tma-faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  transition: border-color .2s ease;
}
.tma-faq details[open] { border-color: var(--accent); }
.tma-faq summary { cursor: pointer; font-weight: 700; }
.tma-faq p { margin: 0.55rem 0 0; color: var(--muted); }

#guarantee .tma-guarantee {
  background: linear-gradient(135deg, var(--navy), #14325c);
  color: #fff;
  border-radius: 24px;
  padding: 2rem 1.6rem;
  border: 1px solid rgba(232,185,35,0.35);
  text-align: center;
}
#guarantee .kicker { color: var(--gold-2); }
#guarantee .lede { color: rgba(255,255,255,0.78); margin-inline: auto; }

.contact-box {
  background:
    radial-gradient(500px 200px at 10% 0%, rgba(0,102,255,0.25), transparent 50%),
    var(--ink);
  border: 1px solid rgba(232,185,35,0.28);
}
.contact-box .kicker { color: var(--gold-2); }
.contact-box .btn-solid { background: linear-gradient(180deg, var(--gold-2), var(--gold)); color: var(--ink); }

.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  border-top: 1px solid rgba(232,185,35,0.22);
}
.footer a { color: var(--gold-2); }

.tma-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.tma-reveal.is-in { opacity: 1; transform: none; }

.cart-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(420px, 100%);
  background: #fff;
  z-index: 80;
  box-shadow: -18px 0 50px rgba(0,0,0,0.22);
  display: flex;
  flex-direction: column;
  transform: translateX(110%);
  transition: transform .32s ease;
}
.cart-drawer.is-open { transform: none; }
.cart-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7,20,40,0.45);
  z-index: 79;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.cart-backdrop.is-open { opacity: 1; pointer-events: auto; }
.cart-head, .cart-foot { padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; }
.cart-foot { border-bottom: 0; border-top: 1px solid var(--line); flex-direction: column; gap: 0.7rem; align-items: stretch; }
.cart-body { flex: 1; overflow: auto; padding: 0.8rem 1.1rem; }
.cart-line { display: grid; grid-template-columns: 1fr auto; gap: 0.4rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
.cart-empty { color: var(--muted); padding: 1.5rem 0; }
.cart-qty { display: flex; gap: 0.35rem; align-items: center; }
.cart-qty button {
  width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer;
}

body.nav-open .nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--ink);
  padding: 0.8rem 1.1rem 1.1rem;
  border-bottom: 1px solid rgba(232,185,35,0.25);
  z-index: 45;
}

@media (min-width: 900px) {
  .nav { display: flex; }
  .hero { grid-template-columns: 1.05fr 0.95fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 0.85fr 1.15fr; }
  .mod-gallery, .mod-counters { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tma-pains, .tma-products, .tma-route, .tma-bonuses, .cases-grid { grid-template-columns: repeat(2, 1fr); }
  #inicio .section-inner.hero, #leccion .tma-lesson { grid-template-columns: 1fr; }
}

@media (max-width: 899px) {
  .nav-burger { display: inline-block; margin-left: auto; }
  .topbar { flex-wrap: wrap; position: sticky; }
  .topbar-actions { margin-left: 0.4rem; }
  .btn-login { display: none; }
  .cards, .tma-grid, .tma-pains, .tma-products, .tma-route, .tma-bonuses, .cases-grid, .stats-grid {
    grid-template-columns: 1fr;
  }
  h1 { max-width: none; }
  #inicio .hero-media img { min-height: 180px; object-position: 78% center; }
  .cart-btn span.cart-label { display: none; }
  .wa-float { right: 0.8rem; bottom: 0.8rem; }
}

@media (prefers-reduced-motion: reduce) {
  .tma-reveal { opacity: 1; transform: none; }
  .card, .tma-card, .tma-product, .tma-route-item, .stat, .case { transition: none; }
}