/* CSS is how you can add style to your website, such as colors, fonts, and positioning of your
   HTML content. To learn how to do something, just try searching Google for questions like
   "how to change link color." */

:root {
    --ink: #1a1208;
    --paper: #fdf8f0;
    --cream: #f5edda;
    --sepia: #c8a96a;
    --rust: #b84c1e;
    --teal: #1d6a6a;
    --gold: #d4a017;
    --muted: #7a6a52;
    --light-teal: #e8f4f4;
    --light-rust: #fdf0eb;
    --NegroMiAmor: #464B5F;
    --greenMoni: #72A21A;
    --green: #70983A;
    --cafe: #E0A65F;
    --Celeste: #4ABBD7;
    --dorado: #D6B06A;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: 'Source Serif 4', Georgia, serif;
    background: var(--NegroMiAmor);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
  }

/* El contenido inicia oculto */
.collapse-content {
  display: none;
  padding: 10px;
  background-color: #f1f1f1;
}

/* Esta clase se añadirá con JavaScript para mostrar el contenido */
.collapse-content.show {
  display: block;
}




  /* ── HERO ── */
  .hero {
    background: var(--cafe);
    color: var(--paper);
    padding: 60px 40px 50px;
    position: relative;
    overflow: hidden;
    text-align: center;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(251, 242, 236,0.3) 39px, rgba(251, 242, 236,0.3) 40px),
      repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(251, 242, 236,0.3) 39px, rgba(251, 242, 236,0.3) 40px);
  }
  .hero-label {
    font-family: 'DM Mono', monospace;
    font-size: .72rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 16px;
    position: relative;
  }
  .hero h1 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    position: relative;
  }
  .hero h1 em {
    font-style: italic;
    color: var(--green);
  }
  .hero-sub {
    margin-top: 18px;
    font-size: 1.5rem;
    color: var(--green);
    font-weight: 300;
    position: relative;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-deco {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-top: 32px;
    position: relative;
  }
  .hero-deco span { display: block; height: 1px; background: var(--sepia); width: 80px; }
  .hero-deco i { color: var(--sepia); font-size: .9rem; font-style: normal; font-family: 'DM Mono', monospace; }

  /* ── NAV TABS ── */
  .nav {
    background: #F7F3E8;
    border-bottom: 2px solid #6F8B5C;
    display: flex;
    overflow-x: auto;
    gap: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav-tab {
    padding: 14px 22px;
    font-family: 'DM Mono', monospace;
    font-size: .78rem;
    letter-spacing: .05em;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--muted);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all .2s;
    white-space: nowrap;
  }
  .nav-tab:hover { color: var(--ink); background: rgba(200,169,106,.1); }
  .nav-tab.active { color: #F7F3E8; border-bottom-color: #6F8B5C; background: var(--greenMoni); }

  /* ── MAIN ── */
  .main { max-width: 860px; margin: 0 auto; padding: 48px 24px 80px; }

  .section { display: none; animation: fadeIn .35s ease; }
  .section.active { display: block; }
  @keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }

  /* ── SECTION HEADER ── */
  .sec-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--sepia);
  }
  .sec-num {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 4rem;
    font-weight: 900;
    color: var(--sepia);
    line-height: 1;
    opacity: .4;
    flex-shrink: 0;
  }
  .sec-title { 
    font-family: 'Playfair Display', Georgia, serif; 
    font-size: 1.9rem; 
    font-weight: 700; 
    color: var(--dorado);
    line-height: 1.2; 
    }
  .sec-desc { margin-top: 6px; color: var(--muted); font-size: .95rem; font-style: italic; }

  /* ── DEFINITION BOX ── */
  .def-box {
    background: var(--ink);
    color: var(--paper);
    border-radius: 4px;
    padding: 32px 36px;
    margin-bottom: 36px;
    position: relative;
    overflow: hidden;
  }
  .def-box::before {
    content: "\201C";
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 10rem;
    color: var(--sepia);
    opacity: .15;
    position: absolute;
    top: -20px; left: 16px;
    line-height: 1;
    pointer-events: none;
  }
  .def-box p { font-size: 1.1rem; line-height: 1.8; position: relative; }
  .def-box strong { color: var(--sepia); }

  /* ── CARD GRID ── */
  .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; margin-bottom: 36px; }
  .card {
    background: var(--NegroMiAmor);
    border: 3.5px solid #D6B06A;
    border-radius: 4px;
    padding: 24px 22px;
    border-top: 4px solid #D6B06A;
    transition: box-shadow .2s, transform .2s;
  }
  .card:hover { box-shadow: 0 8px 28px rgba(0,0,0,.1); transform: translateY(-3px); }
  .card-icon { font-size: 1.6rem; margin-bottom: 10px; }
  .card h3 { font-family: 'Playfair Display', Georgia, serif; font-size: 1.05rem; margin-bottom: 8px; color: #D6B06A; }
  .card p { font-size: .9rem; color: #ffffff; line-height: 1.6; }
  .card.rust { border-top-color: var(--rust); }
  .card.rust h3 { color: var(--rust); }
  .card.gold { border-top-color: var(--gold); }
  .card.gold h3 { color: #9a7010; }
  .card.personalyte { border-top: 4px solid #334B67;border: 3.5px solid #334B67; }
  .card.personalyte h3 { color: #8FC9D4; }


  /* ── STRUCTURE VISUAL ── */
  .structure {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 36px;
    border: 1px solid #e5d9c5;
    border-radius: 6px;
    overflow: hidden;
  }
  .struct-part {
    border-bottom: 1px solid #e5d9c5;
    cursor: pointer;
    transition: background .2s;
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 2px;
    border-radius: 6px;
    overflow: hidden;
  }
  .struct-part:last-child { border-bottom: none; }
  .struct-part:hover { background: rgba(200,169,106,.08); }
  .struct-label {
    padding: 20px 22px;
    font-family: 'DM Mono', monospace;
    font-size: .8rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: var(--cream);
    border-right: 3px solid transparent;
  }
  .struct-label .part-name { font-weight: 500; color: var(--ink); }
  .struct-label .part-pct { color: var(--muted); font-size: .72rem; }
  .struct-body { padding: 20px 24px; }
  .struct-body h4 { font-family: 'Playfair Display', Georgia, serif; font-size: 1rem; margin-bottom: 6px; }
  .struct-body p { font-size: .9rem; color: var(--muted); line-height: 1.6; }
  .struct-body ul { padding-left: 18px; font-size: .9rem; color: var(--muted); margin-top: 8px; }
  .struct-body ul li { margin-bottom: 4px; }
  .struct-part img{
    width:507px;
    height:auto; 
}
  .struct-part.intro .struct-label { border-right-color: var(--rust); }
  .struct-part.intro .struct-label .part-name { color: var(--rust); }
  .struct-part.dev .struct-label { border-right-color: var(--teal); }
  .struct-part.dev .struct-label .part-name { color: var(--teal); }
  .struct-part.conc .struct-label { border-right-color: var(--gold); }
  .struct-part.conc .struct-label .part-name { color: #9a7010; }
  


  /* ── CONNECTORS ── */
  .connector-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 36px; }
  .conn-group { background: white; border: 1px solid #e5d9c5; border-radius: 4px; overflow: hidden; }
  .conn-head {
    padding: 10px 16px;
    font-family: 'DM Mono', monospace;
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    font-weight: 500;
  }
  .conn-head.teal { background: var(--green); color: white; }
  .conn-head.rust { background: var(--rust); color: white; }
  .conn-head.gold { background: var(--gold); color: var(--ink); }
  .conn-head.ink { background: var(--ink); color: var(--paper); }
  .conn-head.muted { background: var(--muted); color: white; }
  .conn-tags { padding: 12px 14px; display: flex; flex-wrap: wrap; gap: 6px; }
  .tag {
    display: inline-block;
    background: var(--cream);
    border: 1px solid #e5d9c5;
    border-radius: 2px;
    padding: 3px 9px;
    font-size: .82rem;
    color: var(--ink);
    font-family: 'Source Serif 4', Georgia, serif;
    font-style: italic;
  }

  /* ── EXAMPLE ESSAY ── */
  .essay-container {
    background: white;
    border: 1px solid #e5d9c5;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 36px;
    box-shadow: 0 4px 24px rgba(0,0,0,.07);
  }
  .essay-toolbar {
    background: var(--cream);
    border-bottom: 1px solid #e5d9c5;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }
  .essay-toolbar span {
    font-family: 'DM Mono', monospace;
    font-size: .75rem;
    color: var(--muted);
  }
  .legend-dot { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; }
  .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
  .dot-rust { background: var(--green); }
  .dot-teal { background: var(--NegroMiAmor); }
  .dot-gold { background: var(--gold); }

  .essay-body { padding: 32px 36px; line-height: 1.9; }
  .essay-body h2 {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-align: center;
    color: var(--ink);
  }
  .essay-para { margin-bottom: 20px; font-size: .97rem; text-align: justify; }
  .hl-rust { background: rgba(112,152,58,.15); border-bottom: 2px solid var(--green); padding: 1px 2px; border-radius: 2px; cursor: pointer; position: relative; }
  .hl-teal { background: rgba(70, 75, 95,.12); border-bottom: 2px solid var(--NegroMiAmor); padding: 1px 2px; border-radius: 2px; cursor: pointer; position: relative; }
  .hl-gold { background: rgba(212,160,23,.18); border-bottom: 2px solid var(--gold); padding: 1px 2px; border-radius: 2px; cursor: pointer; position: relative; }
  

  .tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--paper);
    font-size: .75rem;
    padding: 6px 10px;
    border-radius: 4px;
    white-space: nowrap;
    z-index: 200;
    font-family: 'DM Mono', monospace;
    pointer-events: none;
  }
  .hl-rust:hover .tooltip, .hl-teal:hover .tooltip, .hl-gold:hover .tooltip { display: block; }

  .para-tag {
    display: inline-flex;
    align-items: center;
    font-family: 'DM Mono', monospace;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: 2px 8px;
    border-radius: 2px;
    margin-bottom: 8px;
  }
  .pt-green { background: rgba(112,152,58,.15); color: var(--green); }
  .pt-teal { background: rgba(29,106,106,.12); color: var(--teal); }
  .pt-gold { background: rgba(212,160,23,.15); color: #9a7010; }
  .pt-azul { background: rgba(70,75,95,.15); color: var(--NegroMiAmor); }


  /* ── ERRORS ── */
  .error-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 36px; }
  .error-item {
    background: white;
    border: 1px solid #e5d9c5;
    border-radius: 4px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .err-bad, .err-good { padding: 18px 20px; }
  .err-bad { border-right: 1px solid #e5d9c5; }
  .err-label {
    font-family: 'DM Mono', monospace;
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 8px;
  }
  .err-label.bad { color: #c0392b; }
  .err-label.good { color: var(--teal); }
  .err-text { font-size: .9rem; line-height: 1.6; }
  .err-text.bad { color: #7a3030; }
  .err-text.good { color: #1a4a4a; }
  .err-title {
    background: var(--cream);
    padding: 10px 20px;
    font-family: 'DM Mono', monospace;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--muted);
    grid-column: 1 / -1;
    border-bottom: 1px solid #e5d9c5;
  }

  /* ── CHECKLIST ── */
  .checklist { display: flex; flex-direction: column; gap: 10px; margin-bottom: 36px; }
  .check-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: white;
    border: 1px solid #e5d9c5;
    border-radius: 4px;
    padding: 16px 18px;
    cursor: pointer;
    transition: background .2s;
    user-select: none;
  }
  .check-item:hover { background: var(--cream); }
  .check-item.checked { background: var(--light-teal); border-color: var(--teal); }
  .check-box {
    width: 22px; height: 22px;
    border: 2px solid #c8b898;
    border-radius: 3px;
    flex-shrink: 0;
    display: grid; place-items: center;
    font-size: .9rem;
    transition: all .2s;
    margin-top: 1px;
  }
  .check-item.checked .check-box { background: var(--teal); border-color: var(--teal); color: white; }
  .check-text { font-size: .95rem; line-height: 1.5; }
  .check-category { font-family: 'DM Mono', monospace; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); display: block; margin-bottom: 3px; }
  .progress-bar-wrap { background: #e5d9c5; border-radius: 100px; height: 8px; margin-bottom: 8px; overflow: hidden; }
  .progress-bar { height: 100%; background: var(--teal); border-radius: 100px; transition: width .4s; }
  .progress-label { font-family: 'DM Mono', monospace; font-size: .78rem; color: var(--muted); margin-bottom: 20px; }

  /* ── CALLOUT ── */
  .callout {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 18px 22px;
    border-radius: 4px;
    margin-bottom: 24px;
    border-left: 4px solid;
  }
  .callout.tip { background: var(--light-teal); border-color: var(--teal); }
  .callout.warn { background: var(--light-rust); border-color: var(--rust); }
  .callout-icon { font-size: 1.3rem; flex-shrink: 0; }
  .callout-body { font-size: .92rem; line-height: 1.6; }
  .callout-body strong { display: block; margin-bottom: 4px; }

  /* ── RESPONSIVE ── */
  @media (max-width: 640px) {
    .hero { padding: 40px 20px; }
    .main { padding: 28px 16px 60px; }
    .sec-header { flex-direction: column; gap: 8px; }
    .sec-num { font-size: 2.5rem; }
    .struct-part { grid-template-columns: 1fr; }
    .struct-label { border-right: none; border-bottom: 3px solid; }
    .struct-part.intro .struct-label { border-bottom-color: var(--rust); }
    .struct-part.dev .struct-label { border-bottom-color: var(--teal); }
    .struct-part.conc .struct-label { border-bottom-color: var(--gold); }
    .error-item { grid-template-columns: 1fr; }
    .err-bad { border-right: none; border-bottom: 1px solid #e5d9c5; }
    .essay-body { padding: 20px 18px; }
  }