/* =========================================================
   BJ CAPACITACIONES — hoja de estilos principal
   Paleta: negro + celeste + rosa (colores tomados del logo real)
   Tipografía: Fraunces (titulares) + Karla (texto)
   ========================================================= */

:root{
  /* color */
  --ink:        #141414;
  --plum-900:   #141414;
  --plum-700:   #52525A;
  --plum-600:   #6B6B70;
  --rose-500:   #E91E8C;
  --rose-300:   #F48FC4;
  --gold-500:   #1CA8E2;
  --gold-300:   #6FD1F2;
  --paper:      #FFFFFF;
  --paper-alt:  #F5F6F8;
  --white:      #FFFFFF;
  --line:       rgba(20,20,20,0.12);

  /* type */
  --serif: "Source Serif 4", "Georgia", serif;
  --sans:  "Inter", "Segoe UI", sans-serif;

  /* layout */
  --container: 1180px;
  --radius: 6px;
  --radius-lg: 18px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }

h1, h2, h3, h4{
  font-family: var(--serif);
  font-weight: 520;
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--plum-900);
  letter-spacing: -0.01em;
}

h1{ font-size: clamp(2.4rem, 4.4vw + 1rem, 4.2rem); }
h2{ font-size: clamp(1.9rem, 2.6vw + 1rem, 2.7rem); }
h3{ font-size: 1.4rem; }
p{ margin: 0 0 1em; max-width: 62ch; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section{ padding: 96px 0; }
.section--tight{ padding: 64px 0; }
.section--plum{ background: var(--plum-900); color: var(--paper); }
.section--plum h1, .section--plum h2, .section--plum h3{ color: var(--white); }
.section--alt{ background: var(--paper-alt); }

.eyebrow{
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--rose-500);
  font-weight: 700;
  margin: 0 0 0.6em;
}

.lede{ font-size: 1.15rem; color: var(--plum-700); max-width: 54ch; }
.section--plum .lede{ color: var(--rose-300); }

/* ---------- buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color .2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--gold-500); color: var(--plum-900); }
.btn-primary:hover{ background: var(--gold-300); }
.btn-outline{ border-color: currentColor; color: inherit; }
.btn-outline:hover{ background: rgba(255,255,255,0.08); }
.section:not(.section--plum) .btn-outline{ border-color: var(--plum-900); color: var(--plum-900); }
.section:not(.section--plum) .btn-outline:hover{ background: var(--plum-900); color: var(--white); }
.btn-ghost{ color: var(--plum-900); font-weight: 700; border-bottom: 1.5px solid var(--gold-500); border-radius:0; padding: 2px 0; }
.btn-ghost:hover{ color: var(--rose-500); }

/* ---------- header / nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 246, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0;
}
.brand{
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--plum-900);
  display: flex; align-items: center; gap: 10px;
}
.brand-mark{
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--plum-900);
  display: grid; place-items: center;
  color: var(--gold-300); font-family: var(--serif); font-size: 1.1rem;
}
.brand-logo{ height: 50px; width: auto; display: block; }
.brand-logo-footer{ height: 72px; width: auto; display: block; }
.nav-links{ display: flex; gap: 34px; }
.nav-links a{
  font-weight: 600; font-size: 0.98rem; color: var(--plum-700);
  padding-bottom: 4px; border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color: var(--plum-900); border-color: var(--gold-500);
}
.nav-cta{ display: flex; align-items: center; gap: 18px; }
.nav-toggle{
  display: none; background: none; border: none; padding: 6px;
}
.nav-toggle span{
  display: block; width: 24px; height: 2px; background: var(--plum-900);
  margin: 5px 0; transition: 0.2s;
}

@media (max-width: 860px){
  .nav-links{
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
  }
  .nav-links.is-open{ max-height: 400px; }
  .nav-links a{ padding: 16px 24px; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-toggle{ display: block; }
  .nav-cta .btn{ display: none; }
}

/* ---------- hero ---------- */
.hero{
  background: var(--plum-900);
  color: var(--paper);
  padding: 88px 0 0;
  overflow: hidden;
}
.hero-grid{
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center;
}
.hero-kicker{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.9rem; color: var(--gold-300); font-weight: 700; margin-bottom: 18px;
}
.hero h1{ color: var(--white); }
.hero .lede{ margin-top: 18px; }
.hero-actions{ display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats{
  display: flex; gap: 36px; margin-top: 56px; padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stats div strong{ display:block; font-family: var(--serif); font-size: 1.8rem; color: var(--white); }
.hero-stats div span{ font-size: 0.88rem; color: var(--rose-300); }

.hero-art{ position: relative; height: 420px; }
.hero-art svg{ width: 100%; height: 100%; }
.hero-art .line{ fill:none; stroke: var(--gold-300); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.hero-art .dot{ fill: var(--rose-300); }
.hero-art .fill-rose{ fill: var(--rose-500); opacity: 0.85; }
.hero-art .fill-plum{ fill: var(--plum-700); }
.hero-art .ring{ fill:none; stroke: rgba(20,20,20,0.12); stroke-width: 1; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-art{ height: 260px; order: -1; }
}

/* ---------- feature trio ---------- */
.trio{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 48px; }
.trio-item{ border-top: 2px solid var(--gold-500); padding-top: 20px; }
.trio-item .icon{ width: 40px; height: 40px; margin-bottom: 18px; color: var(--rose-500); }
@media (max-width: 780px){ .trio{ grid-template-columns: 1fr; gap: 32px; } }

/* ---------- editorial index list (categorías de cursos) ---------- */
.index-list{ margin-top: 40px; border-top: 1px solid var(--line); }
.index-row{
  display: grid; grid-template-columns: 90px 1fr auto auto; align-items: center;
  gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line);
  transition: background 0.15s ease;
}
.index-row:hover{ background: var(--paper-alt); }
.index-row .cat-tag{
  font-family: var(--serif); font-size: 0.95rem; color: var(--rose-500);
}
.index-row h3{ margin: 0; }
.index-row p{ margin: 4px 0 0; color: var(--plum-700); font-size: 0.95rem; }
.index-row .count{
  font-size: 0.85rem; color: var(--plum-700); white-space: nowrap;
  border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px;
}
.index-row .go{ font-weight: 700; color: var(--plum-900); white-space: nowrap; }

@media (max-width: 700px){
  .index-row{ grid-template-columns: 1fr; gap: 8px; }
  .index-row .count{ justify-self: start; }
}

/* ---------- course cards (catálogo) ---------- */
.course-grid{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px;
}
@media (max-width: 980px){ .course-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .course-grid{ grid-template-columns: 1fr; } }

.course-card{
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.course-thumb{
  aspect-ratio: 4/3; background: linear-gradient(135deg, var(--plum-700), var(--rose-500));
  display: grid; place-items: center; color: rgba(255,255,255,0.85);
  font-family: var(--serif); font-size: 0.95rem; text-align: center; padding: 20px;
  position: relative;
}
.course-thumb span{ position: relative; z-index: 1; }
.course-body{ padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.course-cat{ font-size: 0.82rem; color: var(--rose-500); font-weight: 700; }
.course-meta{
  display: flex; justify-content: space-between; align-items: center;
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 0.9rem; color: var(--plum-700);
}
.filter-bar{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.filter-btn{
  padding: 10px 20px; border-radius: 999px; border: 1.5px solid var(--line);
  font-weight: 700; font-size: 0.9rem; background: var(--white);
}
.filter-btn.is-active{ background: var(--plum-900); color: var(--white); border-color: var(--plum-900); }

/* ---------- testimonial strip ---------- */
.quote-strip{ display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; margin-top: 44px; }
.quote-card{ padding-top: 18px; border-top: 2px solid var(--gold-500); }
.quote-card p{ font-family: var(--serif); font-size: 1.15rem; color: var(--plum-900); font-style: italic; }
.quote-name{ font-weight: 700; font-size: 0.92rem; }
.quote-role{ font-size: 0.85rem; color: var(--plum-700); }
@media (max-width: 780px){ .quote-strip{ grid-template-columns: 1fr; } }

/* ---------- CTA banner ---------- */
.cta-banner{
  background: var(--gold-300); border-radius: var(--radius-lg);
  padding: 56px; display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
}
.cta-banner h2{ margin: 0; max-width: 20ch; }

/* ---------- footer ---------- */
.site-footer{ background: var(--plum-900); color: var(--rose-300); padding: 64px 0 28px; }
.footer-grid{ display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.site-footer h4{ color: var(--white); font-family: var(--sans); font-size: 0.95rem; margin-bottom: 16px; }
.site-footer a{ color: var(--rose-300); }
.site-footer a:hover{ color: var(--gold-300); }
.footer-links li{ margin-bottom: 10px; font-size: 0.92rem; }
.footer-bottom{
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; justify-content: space-between; font-size: 0.82rem; flex-wrap: wrap; gap: 12px;
}
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: #2E7D5B; color: white; display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(36,16,25,0.3);
}

/* ---------- generic page hero (sub-páginas) ---------- */
.page-hero{ background: var(--plum-900); color: var(--white); padding: 64px 0; }
.page-hero p{ color: var(--rose-300); }

/* ---------- breadcrumb ---------- */
.crumb{ font-size: 0.85rem; color: var(--plum-700); margin-bottom: 10px; }
.crumb a{ color: var(--rose-500); font-weight: 700; }

/* ---------- forms ---------- */
.form-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field{ display: flex; flex-direction: column; gap: 8px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size: 0.88rem; font-weight: 700; color: var(--plum-900); }
.field input, .field select, .field textarea{
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; font-family: var(--sans); font-size: 1rem; background: var(--white);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: 2px solid var(--gold-500); outline-offset: 1px; border-color: var(--gold-500);
}
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }

/* ---------- course detail page ---------- */
.detail-grid{ display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
@media (max-width: 960px){ .detail-grid{ grid-template-columns: 1fr; } }

.video-block{
  aspect-ratio: 16/9; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(135deg, var(--plum-700), var(--plum-900));
  display: grid; place-items: center; position: relative; color: white;
}
.video-block .play-btn{
  width: 76px; height: 76px; border-radius: 50%; background: var(--gold-500);
  display: grid; place-items: center; color: var(--plum-900);
}
.video-caption{
  position: absolute; left: 20px; bottom: 18px; font-size: 0.85rem; color: rgba(255,255,255,0.85);
}

.gallery-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.gallery-item{
  aspect-ratio: 1; border-radius: var(--radius); background: var(--paper-alt);
  display: grid; place-items: center; text-align: center; padding: 10px;
  font-size: 0.78rem; color: var(--plum-700); border: 1px dashed var(--rose-300);
}

.syllabus{ margin-top: 20px; }
.syllabus-item{
  display: grid; grid-template-columns: 40px 1fr; gap: 16px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.syllabus-item .num{ font-family: var(--serif); color: var(--rose-500); font-size: 1.1rem; }

.sidebar-card{
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px; position: sticky; top: 100px;
}
.sidebar-price{ font-family: var(--serif); font-size: 2.1rem; color: var(--plum-900); }
.sidebar-list li{
  display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem;
  padding: 8px 0; color: var(--plum-700);
}

/* ---------- quiz component ---------- */
.quiz-box{
  background: var(--paper-alt); border-radius: var(--radius-lg); padding: 32px; margin-top: 22px;
}
.quiz-question{ margin-bottom: 22px; }
.quiz-question p{ font-weight: 700; color: var(--plum-900); }
.quiz-options{ display: flex; flex-direction: column; gap: 10px; }
.quiz-option{
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius); border: 1.5px solid var(--line);
  background: var(--white); font-size: 0.95rem;
}
.quiz-option:hover{ border-color: var(--gold-500); }
.quiz-option.correct{ border-color: #2E7D5B; background: #EAF5EF; }
.quiz-option.incorrect{ border-color: #B4453B; background: #FBEAE8; }
.quiz-result{ margin-top: 18px; font-weight: 700; }
.quiz-progress{ font-size: 0.85rem; color: var(--plum-700); margin-bottom: 6px; }