/* === Light, editorial, McKinsey-inspired === */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Noto Sans', 'Ubuntu', sans-serif;
  line-height: 1.7;
  color: var(--ink);
  background: var(--paper);
}

:root{
  --paper: #ffffff;
  --surface: #f8fafc;
  --surface-2: #f3f6fa;
  --ink: #0f172a;        /* slate-900 */
  --muted: #475569;      /* slate-600 */
  --border: #e5e7eb;     /* gray-200 */
  --accent: #0b3b88;     /* deep soft blue */
  --accent-2: #60d6eb;   /* marina sky / celeste */
  --radius: 14px;
  --shadow: 0 10px 20px rgba(2, 6, 23, .06);
  --accent-warm: #3b82f6; /* secondary blue */
}

/* Container */
.container { width: min(1100px, 92%); margin-inline: auto; }
.container-wide { width: min(1400px, 95%); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display:flex; align-items:center; justify-content:space-between; min-height:64px; gap:16px; }
.brand{
  color:var(--ink);
  font-weight:800;
  text-decoration:none;
  letter-spacing: .1px;
  display:flex;
  align-items:center;
  line-height: 0;
}
.brand-logo{
  height: 60px;
  width: auto;
  display:block;
}
@media (max-width: 880px){
  .brand-logo{ height: 32px; }
}
.site-nav ul { list-style:none; margin:0; padding:0; display:flex; gap:18px; align-items:center; }
.site-nav a { color: var(--ink); text-decoration:none; padding:10px 6px; border-radius:8px; }
.site-nav a:hover, .site-nav a.active { background: var(--surface); }
.site-nav a.cta{ background: var(--accent); color:#fff; padding:10px 12px; border-radius:10px; font-weight:600; box-shadow: var(--shadow); }
.site-nav a.cta:hover{ filter: brightness(1.03); }

/* Mobile nav */
.nav-toggle{ display:none; background:none; border:0; cursor:pointer; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition: .3s; }
@media (max-width: 880px){
  .nav-toggle{ display:block; }
  .site-nav{ position:absolute; inset:64px 0 auto 0; background:#fff; border-bottom:1px solid var(--border); transform: translateY(-120%); transition:.3s; }
  .site-nav.open{ transform: translateY(0); }
  .site-nav ul{ flex-direction:column; align-items:flex-start; gap:0; }
  .site-nav li{ width:100%; border-top:1px solid var(--border); }
  .site-nav a{ display:block; padding:14px 16px; }
}

/* Hero */
.hero.hero--bg{
  position: relative;
  min-height: calc(100svh - 64px);
  min-height: calc(100vh - 64px);
  display:flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: url("assets/marina-singapore.jpg") center/cover no-repeat;
}
.hero.hero--bg::before{
  content:"";
  position:absolute;
  inset:0;
  /* overlay for legibility */
  background: radial-gradient(900px 480px at 50% 25%, rgba(2,6,23,.35), rgba(2,6,23,.62));
}
.hero.hero--bg::after{
  content:"";
  position:absolute;
  inset:0;
  /* subtle vignette + polish */
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.10), inset 0 -140px 220px rgba(2,6,23,.38);
  pointer-events:none;
}
.hero-grid{
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 84px 0;
  display:flex;
  justify-content:center;
}
.hero-center{ text-align:center; max-width: 920px; }
.hero.hero--bg h1{ color:#fff; margin-bottom: 12px; }
.hero.hero--bg .lead{ color: rgba(255,255,255,.92); font-size: 1.25rem; }
.hero.hero--bg .hero-ctas{ justify-content:center; }
.hero.hero--bg .btn{
  background: rgba(255,255,255,.92);
  color: var(--accent);
  border: 1px solid rgba(255,255,255,.92);
}
.hero.hero--bg .btn:hover{ filter: brightness(1.03); }
.eyebrow{ text-transform:uppercase; letter-spacing:.18em; color: var(--muted); font-size:.85rem; margin:0 0 6px; }
h1{ font-size: clamp(2rem, 2.8vw + 1rem, 3.2rem); line-height: 1.15; margin: 0 0 10px; }
.lead{ font-size: 1.1rem; color:#334155; }
.hero-media img{ width:100%; height:auto; display:block; border-radius: 16px; box-shadow: var(--shadow); }

.hero-ctas{ display:flex; gap:12px; margin-top:22px; flex-wrap: wrap; }
/* Hero dates pill */
.hero-dates{
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.28);
  color: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 20px rgba(2, 6, 23, .18);
}
.hero-dates strong{ color: #fff; }
.hero-dates .sep{ opacity: .75; }

@media (max-width: 520px){
  .hero-dates{
    border-radius: 16px;
    padding: 10px 12px;
    text-align: center;
  }
  .hero-dates .sep{ display:none; }
}
.btn{
  display:inline-block; border:1px solid transparent; background: var(--accent);
  color:#fff; padding:12px 16px; border-radius:12px; font-weight:700; text-decoration:none;
  box-shadow: var(--shadow); transition: transform .2s ease, filter .2s ease;
}
.btn:hover{ transform: translateY(-2px); filter: brightness(1.03); }
.btn:active{ transform: translateY(0); }

.btn.btn-lg{
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: 14px;
}
.btn.btn-outline{ background: transparent; border-color: var(--accent); color: var(--accent); box-shadow:none; }
.btn.btn-outline:hover{ background: rgba(11, 59, 136, .06); }

/* Feature image (non-gallery) */
.feature-image{ margin: 28px auto; width: min(1400px, 95%); }
.feature-image img{ width: 100%; height: auto; display:block; border-radius: 16px; box-shadow: var(--shadow); }
.feature-image figcaption{ color:#334155; font-size: .95rem; text-align:center; margin-top: 8px; }

/* Sections */
.section{ padding: 72px 0; }
.section.alt{ background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2{ font-size: clamp(1.5rem, 1.4vw + 1rem, 2.1rem); margin:0 0 12px; }

/* Split */
.split{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items:center; }
.split.flip{ grid-template-columns: .9fr 1.1fr; }
.split-media img{ width:100%; height:auto; display:block; border-radius: 16px; box-shadow: var(--shadow); }
@media (max-width: 980px){ .hero-grid, .split, .split.flip{ grid-template-columns: 1fr; } }

/* Lists */
.bullets{ margin: 10px 0 0 0; padding-left: 18px; }
.bullets li{ margin: 6px 0; }
.bullets li::marker{ color: var(--accent-2); }
.check{ list-style: none; padding-left: 0; }
.check li{ margin: 6px 0; padding-left: 28px; position:relative; }
.check li:before{
  content: ""; position:absolute; left:0; top:6px; width:18px; height:18px; border-radius: 6px;
  background: linear-gradient(180deg, rgba(96,214,235,.24), rgba(59,130,246,.18));
border:1px solid rgba(96,214,235,.55);
box-shadow: inset 0 1px 0 rgba(255,255,255,.75);
}
.check li:after{
  content: ""; position:absolute; left:6px; top:8px; width: 6px; height: 10px; border: 2px solid var(--accent); border-left: 0; border-top:0; transform: rotate(45deg);
}

/* Cards (with top image) */
.cards-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; }
.card{ background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.card-img{ width: 100%; height: auto; display:block; }
.card-body{ padding: 16px; }
@media (max-width: 980px){ .cards-3{ grid-template-columns: 1fr; } }

.badges{ display:flex; flex-wrap:wrap; gap:10px; margin-top: 12px; }
.badge{ border:1px solid var(--border); padding:8px 12px; border-radius:999px; background: #fff; color:#1f2937; }

/* Cards (text-only, 2 columns) */
.cards-2{ display:grid; grid-template-columns: repeat(2, 1fr); gap:16px; margin-top: 14px; }
@media (max-width: 980px){ .cards-2{ grid-template-columns: 1fr; } }

/* Callout (editorial highlight) */
.callout{
  margin-top: 18px;
  background: linear-gradient(180deg, #ffffff, var(--surface));
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
  position: relative;
}
.callout::before{
  content: "";
  position: absolute;
  left: -1px; right: -1px; top: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 16px 16px 0 0;
  pointer-events: none;
}
.callout p{ margin: 10px 0 0; color: #334155; }
.callout p:first-child{ margin-top: 0; }
.callout strong{ color: var(--ink); }
.callout .callout-highlight{
  margin-top: 12px;
  font-weight: 700;
  color: var(--ink);
}

/* === Diagnóstico (mosaic, non-traditional) === */
.mosaic{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 16px;
  margin-top: 16px;
  align-items: stretch;
}
@media (max-width: 980px){
  .mosaic{ grid-template-columns: 1fr; }
}

.tile{
  background:#fff;
  border:1px solid var(--border);
  border-radius: 18px;
  overflow:hidden;
  box-shadow: var(--shadow);
}

/* Left tile: statement + “signals” list */
.tile-question{
  position: relative;
  padding: 18px 18px 16px 18px;
  background: linear-gradient(180deg, #ffffff 0%, var(--surface) 100%);
}
.tile-question::before{
  content:"";
  position:absolute;
  left: 14px;
  top: 18px;
  bottom: 18px;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-2) 0%, var(--accent-warm) 100%);
  opacity: .95;
}
.tile-question .q-title{
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 1.15rem;
  line-height: 1.25;
  color: var(--ink);
}
.signal-list{
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display:grid;
  gap: 10px;
}
.signal-list li{
  display:flex;
  gap: 12px;
  align-items:flex-start;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(226,232,240,.9);
  background: rgba(255,255,255,.72);
}
.signal-badge{
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display:grid;
  place-items:center;
background: linear-gradient(180deg, rgba(96,214,235,.28), rgba(59,130,246,.18));
border: 1px solid rgba(96,214,235,.55);
color: var(--accent);
  font-weight: 800;
}
.signal-text{
  margin: 0;
  color: #0f172a;
  font-weight: 650;
  line-height: 1.3;
}
.signal-text small{
  display:block;
  margin-top: 2px;
  color: #475569;
  font-weight: 500;
}

/* Right side: tiles (2-up) */
.mosaic-right{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
  grid-auto-rows: minmax(240px, auto);
}
@media (max-width: 980px){
  .mosaic-right{ grid-auto-rows: minmax(220px, auto); }
}

.tile-image{
  position: relative;
  border-radius: 18px;
}
.tile-image img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display:block;
}
.tile-overlay{
  position:absolute;
  inset:0;
  display:flex;
  align-items:flex-end;
  padding: 14px;
  color: #fff;
  background: linear-gradient(180deg, rgba(2,6,23,0) 45%, rgba(2,6,23,.62) 100%);
}
.tile-overlay h3{
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.15;
}
.tile-overlay p{
  margin: 6px 0 0;
  color: rgba(255,255,255,.9);
  font-size: .92rem;
}

/* make the first image tall */
.tile-image.tall{ grid-row: 1 / 4; }

.tile-stat{
  padding: 16px;
  color:#fff;
  display:flex;
  flex-direction: column;
  justify-content: space-between;

  /* marina-inspired: deep navy base + subtle sky + warm city glow */
  background:
    radial-gradient(760px 320px at 18% 12%, rgba(96, 214, 235, .62), transparent 60%),
    radial-gradient(640px 300px at 92% 18%, rgba(59,130,246,.32), transparent 58%),
    linear-gradient(135deg, #0a2f6a 0%, #0b3b88 42%, #051a3b 100%);
}
.tile-stat .num{
  font-size: 3.2rem;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-shadow: 0 2px 18px rgba(2,6,23,.35);
}
.tile-stat .label{
  font-weight: 800;
  margin-top: 6px;
  color: rgba(255,255,255,.92);
  letter-spacing: .02em;
}
.tile-stat .sub{
  margin-top: 10px;
  color: rgba(255,255,255,.82);
  font-size: .95rem;
  text-shadow: 0 1px 10px rgba(2,6,23,.28);
}

.tile-note{
  padding: 16px;
  background: linear-gradient(180deg, #ffffff, var(--surface));
}
.tile-note p{
  margin: 0;
  color: #0f172a;
  font-weight: 750;
  line-height: 1.25;
}
  .tile-note span{
    display:block;
    margin-top: 8px;
    color: #475569;
    font-weight: 550;
  }

.tile-note--image{
  position: relative;
  display:flex;
  flex-direction: column;
  justify-content: flex-end;
  background: url("assets/Grupo.jpg") center/cover no-repeat;
  color: #fff;
}
.tile-note--image::before{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(2,6,23,.10) 0%, rgba(2,6,23,.65) 100%);
}
.tile-note--image p,
.tile-note--image span{
  position: relative;
  z-index: 1;
  color: rgba(255,255,255,.95);
}
.tile-note--image span{ color: rgba(255,255,255,.88); }

/* === Impact band (next message) === */
.impact{
  margin-top: 64px;
  display:grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 16px;
  align-items: stretch;
}
@media (max-width: 980px){
  .impact{ grid-template-columns: 1fr; }
}
.impact-media{
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #fff;
}
.impact-media img{
  width:100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  display:block;
}
.impact-box{
  position: relative;
  border-radius: 18px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: var(--shadow);
  padding: 18px;
  background: linear-gradient(135deg, var(--accent) 0%, #0b1326 100%);
  color:#fff;
}
.impact-box::after{
  content:"";
  position:absolute;
  inset: -40% -30% auto -30%;
  height: 220px;
  background: radial-gradient(closest-side, rgba(255,255,255,.18), rgba(255,255,255,0));
  transform: rotate(12deg);
  pointer-events:none;
}
.impact-kicker{
  position: relative;
  margin: 0 0 8px;
  color: rgba(255,255,255,.85);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
}
.impact-lead{
  position: relative;
  margin: 0 0 12px;
  font-size: clamp(1.15rem, 1.1vw + 1rem, 1.6rem);
  line-height: 1.18;
  font-weight: 850;
}
.impact-lead .serif{
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-weight: 650;
}
.impact-body{
  position: relative;
  margin: 0 0 10px;
  color: rgba(255,255,255,.92);
}
.impact-body strong{ color: #fff; }
.impact-box .badges{ margin-top: 12px; }
.impact-box .badge{
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.18);
  color: rgba(255,255,255,.95);
}
/* Impact with background image + readable overlay */
.impact.impact--bg{
  display:block;
  position: relative;
  border-radius: 22px;
  overflow:hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: url("assets/Mesa.jpg") center/cover no-repeat;
}
.impact.impact--bg::before{
  content:"";
  position:absolute;
  inset:0;
  /* dark-to-light veil for legibility */
  background: linear-gradient(90deg, rgba(2,6,23,.74) 0%, rgba(2,6,23,.55) 55%, rgba(2,6,23,.18) 100%);
}
.impact.impact--bg::after{
  content:"";
  position:absolute;
  inset:0;
  /* subtle vignette */
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.10), inset 0 -90px 140px rgba(2,6,23,.28);
  pointer-events:none;
}
.impact-inner{
  position: relative;
  z-index: 1;
  padding: 28px;
  max-width: 860px;
}
.impact.impact--bg .impact-lead{
  margin: 0 0 14px;
  color: #fff;
  font-size: clamp(1.6rem, 1.3vw + 1.2rem, 2.35rem);
  line-height: 1.12;
  font-weight: 900;
}
.impact.impact--bg .impact-lead .serif{
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  font-weight: 750;
}
.impact.impact--bg .impact-body{
  margin: 0 0 12px;
  color: rgba(255,255,255,.92);
  font-size: 1.05rem;
}
.impact.impact--bg .impact-body strong{ color:#fff; }

@media (max-width: 980px){
  .impact-inner{ padding: 20px; }
  .impact.impact--bg::before{
    background: linear-gradient(180deg, rgba(2,6,23,.78) 0%, rgba(2,6,23,.46) 55%, rgba(2,6,23,.22) 100%);
  }
}
/* Details */
details{ border:1px solid var(--border); border-radius:12px; margin:10px 0; background: #fff; overflow:hidden; }
summary{ cursor:pointer; list-style:none; padding:16px; display:flex; align-items:baseline; justify-content:space-between; gap:12px; transition: background .25s ease; }
summary::-webkit-details-marker{ display:none; }
summary span{ font-weight:700; }
summary small{ color: var(--muted); }
details[open] summary{ background: #f1f5f9; }
.details-body{ padding: 0 16px 16px; border-top:1px solid var(--border); }

/* Timeline */
.timeline{ display:grid; gap: 12px; margin-top: 8px; }
.tl-item{ display:grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; }
.tl-dot{ width:10px; height:10px; border-radius:50%; background: var(--accent); margin-top: 8px; box-shadow: 0 0 0 4px rgba(96,214,235,.16); }
.muted{ color: var(--muted); }

/* Pricing */
.pricing{ display:grid; grid-template-columns: .6fr 1fr; gap: 20px; align-items:center; }
@media (max-width: 880px){ .pricing{ grid-template-columns: 1fr; } }
.price{ text-align:center; }
.price-value{ font-size: 2rem; font-weight:800; color:#0b1326; }
.price-value span{ font-size: 1rem; font-weight:600; color: var(--muted); }
.price-note{ color: var(--muted); }

/* Inversión: same background as “Duración estimada” chip */
#inversion.section.alt{
  background: linear-gradient(180deg, #eff6ff 0%, #e0e7ff 100%);
  border-top-color: rgba(59,130,246,.22);
  border-bottom-color: rgba(59,130,246,.18);
}

/* === Mid-impact statement (between trainers and contact) === */
.mid-impact{ padding: 64px 0; }
.mid-impact-box{
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: url("assets/5.jpg") center/cover no-repeat;
}
.mid-impact-box::before{
  content: "";
  position: absolute;
  inset: 0;
  /* veil for legibility */
  background: linear-gradient(90deg, rgba(2,6,23,.78) 0%, rgba(2,6,23,.54) 55%, rgba(2,6,23,.18) 100%);
}
.mid-impact-box::after{
  content: "";
  position: absolute;
  inset: 0;
  /* subtle vignette + edge polish */
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.10), inset 0 -120px 180px rgba(2,6,23,.28);
  pointer-events: none;
}
.mid-impact-inner{
  position: relative;
  z-index: 1;
  padding: 34px;
  max-width: 960px;
}
.mid-impact-kicker{
  margin: 0 0 10px;
  color: rgba(255,255,255,.85);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .82rem;
}
.mid-impact-title{
  margin: 0 0 12px;
  color: #fff;
  font-weight: 900;
  font-size: clamp(1.55rem, 1.35vw + 1.15rem, 2.35rem);
  line-height: 1.12;
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}
.mid-impact-body{
  margin: 0;
  color: rgba(255,255,255,.92);
  font-size: 1.08rem;
  line-height: 1.6;
  max-width: 72ch;
}
.mid-impact-cta{ margin-top: 18px; }
.mid-impact-btn{
  border-color: rgba(255,255,255,.85);
  color: #fff;
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(6px);
}
.mid-impact-btn:hover{ background: rgba(255,255,255,.16); }

@media (max-width: 980px){
  .mid-impact-inner{ padding: 22px; }
  .mid-impact-box::before{
    background: linear-gradient(180deg, rgba(2,6,23,.80) 0%, rgba(2,6,23,.46) 55%, rgba(2,6,23,.22) 100%);
  }
}
/* CTA */
.cta{ background: linear-gradient(180deg, var(--surface-2), #fff); border-top: 1px solid var(--border); }
.cta-head{ padding: 40px 0 18px; }
.cta-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items:stretch; padding: 0 0 40px; }
 .cta-media{
   margin: 0;
   height: 100%;
   align-self: stretch;
   border-radius: 16px;
   overflow: hidden;
   box-shadow: var(--shadow);
 }
 .cta-media img{
   width:100%;
   height:100%;
   display:block;
   object-fit: cover;

   /* crop like the reference: tighter framing (head safe), less empty top/bottom */
   object-position: 50% 7%;
   transform: scale(1.18);
   transform-origin: 50% 20%;
 }
@media (max-width: 980px){
  .impact{ grid-template-columns: 1fr; }
  .impact-media img{ min-height: 280px; }
}

/* Contact form (light) */
.contact-form{ background: #fff; border:1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 16px; }
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 3.5rem; }
.cta .form-grid{ grid-template-columns: 1fr; }
.field-full{ grid-column: 1 / -1; }
.field{ position:relative; }
.field input,
.field textarea{
  width:100%; padding: 18px 12px 12px 12px; border-radius: 12px;
  border:1px solid var(--border); background: #fff; color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea{ resize: vertical; min-height: 200px; }
.field label{
  position:absolute; left:12px; top: 12px; font-size: .95rem; color: var(--muted);
  pointer-events: none; transition: all .15s ease; background: transparent; padding: 0 4px;
}
.field input:focus + label,
.field textarea:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:not(:placeholder-shown) + label{
  top: -8px; left: 10px; font-size: .78rem; color: var(--accent);
  background: #fff; border-radius: 8px; padding: 2px 6px; border:1px solid var(--border);
}
.field input:focus, .field textarea:focus{
  outline: 2px solid rgba(11,59,136,.12); border-color:#9fb7df; box-shadow: 0 0 0 3px rgba(11,59,136,.08);
}
/* Checkbox (form) */
.checkline{ display:flex; align-items:center; gap:10px; user-select:none; margin-top: 6px; }
.checkline input{ display:none; }
.check-ui{ width: 18px; height: 18px; border-radius: 6px; border:1px solid var(--border); background:#fff; display:inline-block; position:relative; }
.checkline input:checked + .check-ui{
  border-color: rgba(96,214,235,.65);
  background: rgba(96,214,235,.14);
  box-shadow: inset 0 0 0 2px rgba(59,130,246,.22);
}
.checkline input:checked + .check-ui::after{
  content:""; position:absolute; left: 4px; top: 0px; width: 6px; height: 12px; border: 2px solid var(--accent); border-left: 0; border-top:0; transform: rotate(45deg);
}

.link{ color: var(--accent); text-decoration:none; border-bottom:1px solid #cbd5e1; }
.link:hover{ color:#0a2f6a; border-bottom-color:#0a2f6a; }

.form-actions{
  display:grid;
  grid-template-columns: 1fr auto;
  align-items:center;
  column-gap: 12px;
  row-gap: 12px;
  margin-top: 8px;
}
.btn-submit{ grid-column: 2; justify-self: end; }
.contact-logo-qf{ grid-column: 1 / -1; justify-self: start; height: 36px; width: auto; display:block; }

@media (max-width: 520px){
  .form-actions{ grid-template-columns: 1fr; }
  .btn-submit{ grid-column: 1; justify-self: stretch; width: 100%; }
  .contact-logo-qf{ justify-self: start; }
}
.form-hint{ margin-top: 10px; min-height: 20px; color: var(--muted); font-size: .92rem; }
.field-note{ display:block; margin: 6px 4px 0; color: var(--muted); font-size: .85rem; }
.form-note{ margin: 10px 0 0; color: var(--muted); font-size: .92rem; }
.small-note code{ color:#0b1326; }

@media (max-width: 820px){ .form-grid{ grid-template-columns: 1fr; } }

/* Footer */
.site-footer{ border-top:1px solid var(--border); padding:16px 0; background: #fff; }
.site-footer .container{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
.to-top{ color: var(--ink); text-decoration:none; padding:8px 10px; border:1px solid var(--border); border-radius:8px; }
.to-top:hover{ background: var(--surface); }

/* Reveal on scroll (subtle) */
.reveal{ opacity:0; transform: translateY(12px); transition: transform .6s ease, opacity .6s ease; will-change: transform, opacity; }
.reveal.is-visible{ opacity:1; transform: translateY(0); }

/* Accessibility */
.skip-link{
  position: absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{ left: 6px; top: 6px; width: auto; height: auto; padding: 8px 10px;
  background: #000; color:#fff; border-radius: 8px; z-index: 1000; }

  /* === Modules (detailed) === */
.module-group{ margin: 18px 0 28px; border-top: 1px solid var(--border); padding-top: 12px; }
.module-heading{ display:flex; align-items:baseline; gap:10px; margin: 0 0 6px; font-size: 1.05rem; }
.small-note{ color: var(--muted); font-size: .95rem; }
/* tighten summary labels on narrow */
@media (max-width: 680px){
  summary{ flex-wrap: wrap; row-gap: 6px; }
  summary small{ order: 2; }
}

/* === Skill list (ordered & clean) === */
.skill-list{
  counter-reset: s;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
}
.skill-item{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.skill-num{
  counter-increment: s;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(180deg, #e8f0fb, #f6f9ff);
  border: 1px solid #cbd5e1;
  color: var(--accent);
  font-weight: 800;
  display:flex; align-items:center; justify-content:center;
}
.skill-num::after{ content: counter(s); }
.skill-body h3{
  margin: 0 0 4px; font-size: 1rem; color: var(--ink);
}
.skill-body p{
  margin: 0; color: #334155; font-size: .95rem;
}
@media (max-width: 540px){
  .skill-item{ grid-template-columns: 36px 1fr; }
  .skill-num{ width: 36px; height: 36px; font-size: .95rem; }
}
/* de */
.skill-list{ grid-template-columns: 1fr; }
/* a */
@media (min-width: 1024px){
  .skill-list{ grid-template-columns: 1fr 1fr; }
}

/* === Skills section (clean, ordered, beautiful) === */
.skills .skills-wrap{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
  align-items: start;
}
.skills-copy h2{ margin: 0 0 10px; }
.skills-copy p{ margin: 0 0 12px; color: #334155; }

/* Grid of skill cards */
.skill-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 10px;
}
@media (max-width: 720px){
  .skills .skills-wrap{ grid-template-columns: 1fr; }
  .skill-grid{ grid-template-columns: 1fr; }
  .skills-media{ aspect-ratio: 16 / 9; max-height: 420px; }
}

/* Each skill card */
.skill-card{
  display:grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.skill-index{
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(96,214,235,.24), rgba(59,130,246,.16));
border: 1px solid rgba(96,214,235,.55);
color: var(--accent);
  font-weight: 800;
  display:flex; align-items:center; justify-content:center;
}
.skill-body h3{ margin: 0 0 4px; font-size: 1rem; color: var(--ink); }
.skill-body p{ margin: 0; color: #334155; font-size: .95rem; }

/* Right-side image card */
.skills-media{
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: #fff;
  aspect-ratio: 4 / 5;
  max-height: 560px;
}
.skills-media img{
  width:100%; height:100%; display:block; object-fit: cover;
}
.skills-media:after{
  content:""; position:absolute; inset:auto 0 0 0; height: 38%;
  background: linear-gradient(0deg, rgba(255,255,255,.9), rgba(255,255,255,0));
  pointer-events:none;
}

/* === Ordered layout for #modulos === */
#modulos .split{ 
  display: block; /* neutraliza el split de 2 columnas (texto+imagen) */
}

#modulos .split-copy{
  display: grid;
  grid-template-columns: 1fr 1fr; /* 2 columnas ordenadas */
  gap: 16px;
}

#modulos .split-copy > h2{
  grid-column: 1 / -1; /* título abarca el ancho completo */
  margin-bottom: 4px;
}

/* “Tarjetiza” cada módulo para que se vea prolijo */
#modulos .module-group{
  margin: 0;
  border-top: 0;
  padding-top: 12px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px;

  /* richer but still "McKinsey" clean */
  background:
    radial-gradient(900px 320px at 12% 0%, rgba(59,130,246,.14), transparent 58%),
    radial-gradient(900px 320px at 88% 110%, rgba(11,59,136,.10), transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
  border: 1px solid rgba(59,130,246,.18);
}

#modulos .module-heading{
  margin: 0 0 10px;
  padding: 12px 12px 10px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(11,59,136,.10), rgba(59,130,246,.06));
  border: 1px solid rgba(59,130,246,.16);
}
#modulos .module-heading .muted{
  display:inline-flex;
  align-items:center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(59,130,246,.10);
  border: 1px solid rgba(59,130,246,.22);
  color: var(--accent);
  font-weight: 700;
  font-size: .92rem;
}

#modulos details{
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
}

#modulos summary{ 
  padding: 14px; 
}

#modulos .details-body{ 
  padding: 0 14px 14px; 
}

/* Responsivo: 1 columna en pantallas estrechas */
@media (max-width: 980px){
  #modulos .split-copy{ grid-template-columns: 1fr; }
}

/* === Subtle professional gradient for #modulos section (fixed & visible) === */
#modulos.section.alt{
  /* fallback plain color */
  background: var(--surface);
  /* layered gradients: two very soft brand-tinted radials + a light vertical blend */
  background-image:
    radial-gradient(1200px 480px at 15% 12%, rgba(11, 59, 136, .08), transparent 62%),
    radial-gradient(1100px 420px at 85% 88%, rgba(59, 130, 246, .06), transparent 62%),
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  background-repeat: no-repeat;
  background-size: cover;
}

/* === Color accents for module cards === */
#modulos .module-group{
  position: relative;
}
/* top gradient stripe */
#modulos .module-group::before{
  content: "";
  position: absolute;
  left: -1px; right: -1px; top: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 100%);
  border-radius: 12px 12px 0 0;
  pointer-events: none;
}
/* refined details styling */
#modulos details{
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
  border-radius: 12px;
  border: 1px solid rgba(59,130,246,.16);
  border-left: 4px solid rgba(59,130,246,.26);
}
#modulos details:hover{
  border-left-color: rgba(96,214,235,.55);
}
#modulos details[open]{
  border-left-color: rgba(59,130,246,.46);
}
/* chip for durations */
/* chip for durations — fixed size across all modules */
#modulos summary small{
  /* fija tamaño con variables por si luego quieres ajustarlo en un solo lugar */
  --chip-w: 260px;
  --chip-h: 44px;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;           /* no salto de línea */
  height: var(--chip-h);
  min-width: var(--chip-w);
  max-width: var(--chip-w);
  flex: 0 0 var(--chip-w);       /* NO crecer/encoger en el flex */
  text-align: center;
  padding: 0 16px;

  background: linear-gradient(180deg, #eff6ff, #e0e7ff);
  border: 1px solid rgba(59,130,246,.35);
  border-radius: 999px;
  color: var(--accent);
  font-weight: 600;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85);
  box-sizing: border-box;
}

#modulos summary{
  align-items: center;           /* en lugar de baseline */
  gap: 16px;
}
/* hover & open feedback */
#modulos summary:hover{
  background: linear-gradient(90deg, rgba(11, 59, 136, .06), rgba(59, 130, 246, .05));
}
#modulos details[open] summary{
  background: linear-gradient(90deg, rgba(11, 59, 136, .06), rgba(59, 130, 246, .04));
  border-left: 3px solid rgba(59, 130, 246, .28);
}
#modulos summary{
  align-items: center;           /* en lugar de baseline */
  gap: 16px;
}

@media (max-width: 420px){
  #modulos summary small{
    width: 200px;
    font-size: .92rem;
  }
}

/* === Full-bleed banner at the end === */
.full-bleed-banner{
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);   /* edge-to-edge del viewport */
  overflow: hidden;
}
.full-bleed-banner img{
  width: 100%;
  height: min(56vh, 520px);        /* alto cómodo en desktop y mobile */
  object-fit: cover;
  display: block;
}
.full-bleed-banner .overlay{
  position:absolute; inset:0;
  display:grid; place-items:center;
  padding: 32px;
}
.full-bleed-banner .overlay::before{
  content:""; position:absolute; inset:0;
  /* velo sutil para dar contraste al texto */
  background: linear-gradient(180deg, rgba(2,6,23,.35), rgba(2,6,23,.45));
}
.full-bleed-banner .line{
  position: relative;
  color:#fff;
  font-weight: 800;
  text-align: center;
  letter-spacing: .2px;
  line-height: 1.2;
  font-size: clamp(1.25rem, 2.2vw + 1rem, 2.4rem);
  text-shadow: 0 2px 10px rgba(0,0,0,.35);
  padding: 6px 10px;
}

@media (max-width: 420px){
  #modulos summary small{
    --chip-w: 220px;
    --chip-h: 40px;
    font-size: .92rem;
  }
}

/* === Trainers (Formadores) === */
.trainers .trainer-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 10px;
}
@media (max-width: 1200px){ .trainers .trainer-grid{ grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 980px){  .trainers .trainer-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px){  .trainers .trainer-grid{ grid-template-columns: 1fr; } }
@media (max-width: 480px){  .trainers .trainer-grid{ grid-template-columns: 1fr; } }

.trainer-card{
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.trainer-card::before{
  content: "";
  position: absolute;
  left: -1px; right: -1px; top: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-2) 100%);
  border-radius: 12px 12px 0 0;
  pointer-events: none;
}

.trainer-card .avatar-wrap{
  width: 100%;
  aspect-ratio: 1 / 1;          /* cuadrada, responsiva */
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #f8fafc;
}
.trainer-card .avatar-wrap img{
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

.trainer-name{
  margin: 0; font-size: 1rem; color: var(--ink);
}
.trainer-desc{
  margin: 0; color: #334155; font-size: .92rem;
}
/* === Trainer actions (LinkedIn / Email) === */
.trainer-actions{
  display:flex; gap:10px; margin-top: 8px; flex-wrap: wrap;
}
.t-btn{
  display:inline-flex; align-items:center; gap:8px;
  padding: 8px 10px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff; color: var(--accent);
  text-decoration:none; font-weight:600; font-size:.92rem;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.t-btn:hover{ background: rgba(96,214,235,.10);
border-color: rgba(96,214,235,.40); transform: translateY(-1px); }
.t-btn svg{ display:block; }