html{ scroll-behavior:smooth; }
  body{ font-family:'Montserrat',-apple-system,sans-serif; background:#FCFAF6; color:#0A1628; -webkit-font-smoothing:antialiased; }
  .wrap{ max-width:1200px; margin:0 auto; padding-inline:clamp(1.25rem,4vw,3rem); }
  h1,h2,h3{ letter-spacing:-.02em; text-wrap:balance; }

  /* ===== i18n ===== */
  :root[data-lang="es"] [lang="en"]{ display:none; }
  :root[data-lang="en"] [lang="es"]{ display:none; }

  /* ===== NAV (reused as-is) ===== */
  #nav{ position:fixed; top:0; left:0; right:0; z-index:200; transition:padding .45s cubic-bezier(.2,.7,.3,1); }
  #nav .bar{
    display:flex; align-items:center; justify-content:space-between;
    background:#fff; color:#0A1628; height:76px; padding-inline:clamp(1.25rem,4vw,3rem);
    border-radius:0; width:100%; max-width:none; margin:0;
    transition:background .45s cubic-bezier(.2,.7,.3,1), color .45s, border-radius .45s, box-shadow .45s, backdrop-filter .45s, max-width .45s, margin .45s;
  }
  #nav.scrolled{ padding:12px 16px 0; }
  #nav.scrolled .bar{
    background:rgba(10,22,40,.6); color:#fff; border-radius:999px; height:52px;
    max-width:920px; margin:0 auto; padding-inline:clamp(.9rem,2.4vw,1.5rem);
    backdrop-filter:blur(20px) saturate(160%); -webkit-backdrop-filter:blur(20px) saturate(160%);
    box-shadow:0 20px 40px -20px rgba(10,22,40,.35);
  }
  #nav .navlink{ position:relative; display:inline-block; color:#0A1628; font-size:.85rem; font-weight:500; text-decoration:none; opacity:.8; padding-bottom:3px; transition:opacity .3s,color .3s; }
  #nav .navlink::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:1.5px; background:currentColor; transform:scaleX(0); transform-origin:left; transition:transform .35s cubic-bezier(.2,.7,.3,1); }
  #nav.scrolled .navlink{ color:#fff; }
  #nav .navlink:hover{ opacity:1; color:#3A6465; }
  #nav.scrolled .navlink:hover{ color:#8FCCD7; }
  #nav .navlink:hover::after{ transform:scaleX(1); }
  #nav .cta-pill{ background:#0A1628; color:#fff; transition:background .3s,color .3s; }
  #nav.scrolled .cta-pill{ background:#fff; color:#0A1628; }

  /* ===== mobile drawer nav ===== */
  .mnav-toggle{ display:none; }
  @media (max-width:767px){
    .mnav-toggle{ display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; border-radius:999px; background:#0A1628; color:#fff; border:none; cursor:pointer; flex-shrink:0; }
    #nav.scrolled .mnav-toggle{ background:rgba(255,255,255,.18); }
  }
  .mnav-overlay{ position:fixed; inset:0; background:rgba(10,22,40,.55); opacity:0; pointer-events:none; transition:opacity .4s ease; z-index:300; }
  .mnav-overlay.on{ opacity:1; pointer-events:auto; }
  .mnav-drawer{ position:fixed; top:0; right:0; bottom:0; width:min(84vw,340px); background:#FCFAF6; z-index:301; transform:translateX(100%); transition:transform .45s cubic-bezier(.2,.7,.3,1); display:flex; flex-direction:column; padding:1.5rem 1.5rem 2rem; box-shadow:-24px 0 60px -20px rgba(10,22,40,.35); }
  .mnav-drawer.on{ transform:translateX(0); }
  .mnav-drawer-head{ display:flex; justify-content:flex-end; }
  .mnav-close{ width:40px; height:40px; border-radius:999px; background:#F0F6F5; border:none; display:flex; align-items:center; justify-content:center; cursor:pointer; color:#0A1628; }
  .mnav-links{ display:flex; flex-direction:column; margin-top:1.5rem; }
  .mnav-link{ font-size:1.15rem; font-weight:600; color:#0A1628; padding:1rem .25rem; border-bottom:1px solid #E8E3DC; text-decoration:none; }
  .mnav-link[aria-current="page"]{ color:#3A6465; }
  .mnav-drawer .btn{ margin-top:1.75rem; justify-content:center; }
  #nav .logo-ondark{ display:none; }
  #nav.scrolled .logo-onlight{ display:none; }
  #nav.scrolled .logo-ondark{ display:block; }
  .lang-switch{ display:flex; align-items:center; gap:2px; padding:3px; border-radius:999px; background:rgba(10,22,40,.06); transition:background .3s; }
  #nav.scrolled .lang-switch{ background:rgba(255,255,255,.14); }
  .lang-btn{ font-size:.72rem; font-weight:600; letter-spacing:.02em; padding:.32rem .6rem; border-radius:999px; color:inherit; opacity:.55; transition:opacity .3s,background .3s,color .3s; }
  .lang-btn:hover{ opacity:.85; }
  .lang-btn.active{ opacity:1; background:#0A1628; color:#fff; }
  #nav.scrolled .lang-btn.active{ background:#fff; color:#0A1628; }
  .btn{ display:inline-flex;align-items:center;gap:.55rem;font-weight:600;font-size:.9rem;border-radius:999px;padding:.9rem 1.7rem;letter-spacing:-.005em;transition:transform .35s cubic-bezier(.2,.7,.3,1),background .3s,box-shadow .3s; }
  .btn:hover{ transform:translateY(-2px); }
  .btn-black{ background:#0A1628; color:#fff; }
  .btn-black:hover{ box-shadow:0 16px 34px -18px rgba(10,22,40,.4); }

  .reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1); }
  .reveal.in{ opacity:1; transform:none; }
  .reveal[data-d="1"]{ transition-delay:.05s; }
  .reveal[data-d="2"]{ transition-delay:.12s; }

  .reveal-lines{ opacity:0; }
  .reveal-lines.split{ opacity:1; }
  .reveal-lines .split-word{ display:inline-block; opacity:0; transform:translateY(.4em); transition:opacity .65s cubic-bezier(.2,.7,.3,1), transform .65s cubic-bezier(.2,.7,.3,1); }
  .reveal-lines.in .split-word{ opacity:1; transform:none; }

  /* ===== hero ===== */
  .tr-hero{ position:relative; background:#FCFAF6; padding:88px 12px 0; }
  .tr-hero-inner{ position:relative; overflow:hidden; border-radius:28px; background:linear-gradient(165deg,#0A1628 0%,#14313D 55%,#2E5E5D 100%); padding:64px 0 3.5rem; }
  .tr-hero-title{ max-width:760px; font-size:clamp(2.1rem, 1.3rem + 3vw, 3.4rem); font-weight:600; color:#fff; line-height:1.12; margin-top:.8rem; }
  .tr-hero-lead{ max-width:620px; color:#B9CECC; font-size:1.05rem; line-height:1.7; margin-top:1.1rem; }
  .tr-hero-chips{ display:flex; flex-wrap:wrap; gap:.55rem; margin-top:1.75rem; }
  .tr-hero-chip{ font-size:.78rem; font-weight:500; color:#D2EBEF; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.18); padding:.5rem 1rem; border-radius:999px; }

  /* ===== 5 caminos (tabs) ===== */
  .tr-methods-badge{ display:inline-flex; align-items:center; background:#E9EAE7; color:#2E5051; font-size:.72rem; font-weight:600; text-transform:uppercase; letter-spacing:.1em; padding:.5rem 1.1rem; border-radius:999px; }
  .tr-methods-lead{ color:#727272; font-size:1.02rem; line-height:1.65; max-width:760px; margin-top:1.1rem; }
  .tr-tabs{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:2.25rem; }
  .tr-tab{ font-size:.85rem; font-weight:500; color:#2E5051; background:#fff; border:1px solid #2E5051; padding:.65rem 1.25rem; border-radius:999px; cursor:pointer; transition:background .2s,color .2s,border-color .2s,font-weight .2s; }
  .tr-tab:hover{ background:#F0F6F5; }
  .tr-tab.active{ font-weight:700; border-color:transparent; }
  .tr-tab.active:hover{ background:var(--tab-bg,#8FCCD7); }

  .tr-method-panel{ display:flex; gap:clamp(1.5rem,4vw,2.75rem); align-items:center; margin-top:2.5rem; }
  .tr-method-photo{ flex-shrink:0; width:clamp(220px,32vw,320px); aspect-ratio:307/264; border-radius:20px; position:relative; overflow:hidden; background:linear-gradient(150deg,#E4F0F1,#FCFAF6); }
  .tr-method-photo-img{ position:absolute; inset:0; background-size:cover; background-position:center; filter:saturate(.78) brightness(.97) contrast(1.02); }
  .tr-method-photo-tint{ position:absolute; inset:0; background:#14313D; mix-blend-mode:color; opacity:.26; pointer-events:none; }
  .tr-method-body{ flex:1; min-width:0; }
  .tr-method-head{ display:flex; align-items:center; gap:.7rem; }
  .tr-method-ico{ width:41px; height:41px; border-radius:11px; display:flex; align-items:center; justify-content:center; flex-shrink:0; transition:background .35s,color .35s; }
  .tr-method-title{ font-size:1.2rem; font-weight:700; color:#0A1628; line-height:1.3; }
  .tr-method-desc{ color:#727272; font-size:.98rem; line-height:1.65; margin-top:1.1rem; max-width:560px; }
  @media (max-width:760px){
    .tr-method-panel{ flex-direction:column; align-items:stretch; }
    .tr-method-photo{ width:100%; aspect-ratio:16/9; }
  }

  /* ===== evidencia (carousel) ===== */
  .tr-ev-carousel{ position:relative; margin-top:2.5rem; }
  .tr-ev-track{
    display:flex; gap:1.5rem; overflow-x:auto; scroll-snap-type:x proximity;
    padding:.25rem 0 1rem; margin-bottom:-1rem;
    padding-left:max(clamp(1.25rem,4vw,3rem), calc((100vw - 1200px)/2 + clamp(1.25rem,4vw,3rem)));
    scroll-padding-left:max(clamp(1.25rem,4vw,3rem), calc((100vw - 1200px)/2 + clamp(1.25rem,4vw,3rem)));
    cursor:grab; scrollbar-width:none; -ms-overflow-style:none; user-select:none;
  }
  .tr-ev-track::-webkit-scrollbar{ display:none; }
  .tr-ev-track.dragging{ cursor:grabbing; scroll-snap-type:none; }
  .tr-ev-card{ scroll-snap-align:start; flex:0 0 clamp(300px,30vw,420px); background:#fff; border:1px solid #E8E3DC; border-radius:20px; overflow:hidden; display:flex; flex-direction:column; }
  .tr-ev-card:last-child{ margin-right:clamp(1.25rem,4vw,3rem); }
  .tr-ev-visual{ padding:1.9rem 1.5rem; min-height:104px; display:flex; align-items:center; background:linear-gradient(150deg,#E4F0F1,#FCFAF6); }
  .tr-ev-stat{ font-size:1.35rem; font-weight:700; color:#16283C; letter-spacing:-.01em; line-height:1.2; }
  .tr-ev-body{ padding:1.1rem 1.5rem 1.6rem; border-top:1px solid #E8E3DC; flex:1; display:flex; flex-direction:column; }
  .tr-ev-src{ font-size:.68rem; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color:#8198A8; margin-bottom:.6rem; }
  .tr-ev-txt{ font-size:.85rem; color:#42566B; line-height:1.6; }
  .tr-ev-arrows{ display:flex; gap:.5rem; justify-content:flex-end; margin-top:.5rem; }
  .tr-ev-arrow{ width:40px; height:40px; border-radius:999px; border:1px solid #E8E3DC; background:#fff; display:flex; align-items:center; justify-content:center; cursor:pointer; color:#0A1628; transition:background .15s,border-color .15s; }
  .tr-ev-arrow:hover{ background:#F0F6F5; border-color:#3A6465; }
  .tr-ev-arrow:disabled{ opacity:.3; cursor:default; }
  .tr-ev-arrow:disabled:hover{ background:#fff; border-color:#E8E3DC; }

  /* ===== quiz ===== */
  .tr-quiz{ background:#fff; border:1px solid #E8E3DC; border-radius:28px; padding:clamp(1.75rem,4vw,3rem); position:relative; overflow:hidden; box-shadow:0 30px 60px -36px rgba(10,22,40,.16); }
  .tr-quiz-progress{ display:flex; gap:.4rem; margin-bottom:1.6rem; }
  .tr-quiz-dot{ height:4px; flex:1; border-radius:999px; background:#E8E3DC; transition:background .3s; }
  .tr-quiz-dot.on{ background:#3A6465; }
  .tr-quiz-q{ color:#0A1628; font-size:clamp(1rem,.92rem + .35vw,1.12rem); font-weight:600; line-height:1.4; max-width:600px; }
  .tr-quiz-skip{ font-size:.78rem; color:#8198A8; text-decoration:underline; margin-top:.35rem; display:inline-block; cursor:pointer; }
  .tr-quiz-opts{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.6rem; }
  .tr-quiz-chip{ font-size:.9rem; font-weight:500; color:#42566B; background:#fff; border:1px solid #E8E3DC; padding:.75rem 1.3rem; border-radius:999px; cursor:pointer; transition:background .15s,border-color .15s,color .15s; }
  .tr-quiz-chip:hover{ background:#F0F6F5; border-color:#3A6465; color:#0A1628; }
  .tr-quiz-age{ display:flex; gap:.6rem; margin-top:1.1rem; align-items:center; flex-wrap:wrap; }
  .tr-quiz-age input{ width:84px; font-size:1rem; font-weight:600; color:#0A1628; background:#FCFAF6; border:1px solid #E8E3DC; border-radius:12px; padding:.55rem .75rem; outline:none; }
  .tr-quiz-age .btn{ padding:.6rem 1.25rem; font-size:.82rem; }
  .tr-quiz-age input:focus{ border-color:#3A6465; }
  .tr-quiz-back{ display:inline-flex; align-items:center; gap:.3rem; font-size:.78rem; color:#8198A8; cursor:pointer; margin-bottom:1rem; }
  .tr-quiz-back:hover{ color:#3A6465; }
  .tr-quiz-done{ display:none; }
  .tr-quiz-done.on{ display:block; }
  .tr-quiz-done p{ color:#42566B; font-size:.95rem; line-height:1.65; max-width:600px; }
  .tr-quiz-done .btn{ margin-top:1.5rem; }

  /* ===== simulator ===== */
  .tr-sim-section{ position:relative; overflow:hidden; background:#F0F6F5; padding:clamp(3.5rem,6vw,5.5rem) 0; }
  .tr-sim-divider{ height:1px; background:#E8E3DC; margin:clamp(3rem,5vw,4.5rem) 0; }
  .tr-sim-bar{ display:flex; flex-wrap:wrap; align-items:center; gap:1.5rem; padding:1.25rem 1.5rem; background:#fff; border:1px solid #E8E3DC; border-radius:20px; margin-top:2.5rem; }
  .tr-sim-field{ display:flex; flex-direction:column; gap:.4rem; }
  .tr-sim-field label{ font-size:.68rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:#8198A8; }
  .tr-sim-pills{ display:flex; gap:.4rem; }
  .tr-pill-btn{ font-size:.8rem; font-weight:500; color:#42566B; background:#fff; border:1px solid #E8E3DC; padding:.5rem .9rem; border-radius:999px; cursor:pointer; transition:background .15s,color .15s,border-color .15s; }
  .tr-pill-btn[aria-pressed="true"]{ background:#3A6465; border-color:#3A6465; color:#fff; }
  .tr-sim-num{ display:flex; align-items:center; gap:.4rem; }
  .tr-sim-num button{ width:28px; height:28px; border-radius:8px; border:1px solid #E8E3DC; background:#fff; font-size:1rem; font-weight:600; color:#42566B; cursor:pointer; }
  .tr-sim-num button:hover{ border-color:#3A6465; color:#3A6465; }
  .tr-sim-num span{ font-size:.95rem; font-weight:600; min-width:1.6rem; text-align:center; }
  .tr-addplan{ margin-left:auto; position:relative; }
  .tr-addplan-menu{ display:none; position:absolute; right:0; top:calc(100% + .5rem); background:#fff; border:1px solid #E8E3DC; border-radius:14px; box-shadow:0 16px 40px -18px rgba(10,22,40,.3); padding:.5rem; min-width:230px; z-index:10; }
  .tr-addplan-menu.on{ display:block; }
  .tr-addplan-item{ display:block; width:100%; text-align:left; font-size:.85rem; padding:.6rem .7rem; border-radius:10px; color:#0A1628; }
  .tr-addplan-item:hover{ background:#F0F6F5; }

  .tr-plan-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:1.1rem; margin-top:1.25rem; }
  .tr-plan-card{ background:#fff; border:1px solid #E8E3DC; border-radius:20px; padding:1.5rem; position:relative; box-shadow:0 20px 40px -30px rgba(10,22,40,.14); }
  .tr-plan-card.best{ border-color:#3A6465; box-shadow:0 0 0 1px #3A6465 inset; }
  .tr-plan-best-badge{ position:absolute; top:-11px; left:1.4rem; background:#3A6465; color:#fff; font-size:.66rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase; padding:.3rem .7rem; border-radius:999px; }
  .tr-plan-head{ display:flex; justify-content:space-between; align-items:flex-start; gap:.5rem; }
  .tr-plan-name{ font-size:1rem; font-weight:700; color:#0A1628; line-height:1.3; }
  .tr-plan-remove{ color:#8198A8; cursor:pointer; flex-shrink:0; }
  .tr-plan-remove:hover{ color:#DF6971; }
  .tr-plan-timeline{ display:flex; flex-wrap:wrap; gap:.35rem; margin-top:.9rem; }
  .tr-plan-step{ font-size:.7rem; font-weight:600; color:#33606E; background:#EAF5F7; padding:.3rem .6rem; border-radius:999px; }
  .tr-plan-stats{ display:grid; grid-template-columns:1fr 1fr; gap:.9rem; margin-top:1.3rem; padding-top:1.1rem; border-top:1px solid #E8E3DC; }
  .tr-plan-stat-lab{ font-size:.66rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:#8198A8; }
  .tr-plan-stat-val{ font-size:1.15rem; font-weight:700; color:#0A1628; margin-top:.3rem; }
  .tr-plan-stat-val.big{ grid-column:1/-1; font-size:1.5rem; }
  .tr-plan-detail-toggle{ margin-top:1.1rem; font-size:.78rem; font-weight:600; color:#3A6465; cursor:pointer; display:inline-flex; align-items:center; gap:.3rem; }
  .tr-plan-detail{ display:none; margin-top:.9rem; padding-top:.9rem; border-top:1px solid #E8E3DC; }
  .tr-plan-detail.on{ display:block; }
  .tr-plan-detail-row{ display:flex; justify-content:space-between; gap:.6rem; font-size:.78rem; color:#42566B; padding:.3rem 0; }
  .tr-plan-detail-row b{ color:#0A1628; font-weight:600; white-space:nowrap; }
  .tr-plan-empty{ grid-column:1/-1; text-align:center; padding:2.5rem 1rem; color:#42566B; font-size:.9rem; background:#fff; border:1px dashed #C7D0CE; border-radius:20px; }

  /* ===== advanced cost editor ===== */
  .tr-adv{ margin-top:1.75rem; }
  .tr-adv-toggle{ display:inline-flex; align-items:center; gap:.4rem; font-size:.85rem; font-weight:600; color:#3A6465; cursor:pointer; }
  .tr-adv-panel{ display:none; margin-top:1.25rem; background:#fff; border:1px solid #E8E3DC; border-radius:20px; padding:1.5rem; overflow-x:auto; }
  .tr-adv-panel.on{ display:block; }
  .tr-adv-table{ width:100%; border-collapse:collapse; font-size:.82rem; min-width:520px; }
  .tr-adv-table th{ text-align:left; font-size:.66rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:#8198A8; padding:.5rem .6rem; border-bottom:1px solid #E8E3DC; }
  .tr-adv-table td{ padding:.45rem .6rem; border-bottom:1px solid #F0F6F5; color:#42566B; }
  .tr-adv-table input{ width:80px; font-size:.82rem; color:#0A1628; background:#FCFAF6; border:1px solid #E8E3DC; border-radius:8px; padding:.35rem .5rem; outline:none; }
  .tr-adv-table input:focus{ border-color:#3A6465; }

  .tr-disclaimer{ margin-top:2rem; font-size:.78rem; color:#42566B; text-align:center; line-height:1.7; background:#fff; border:1px dashed #C7D0CE; border-radius:14px; padding:.9rem 1.1rem; }

  @media (max-width:767px){
    .tr-hero-lead{ font-size:.92rem; }
    .tr-methods-lead{ font-size:.9rem; }
    .tr-tabs{ flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; padding-bottom:.2rem; }
    .tr-tabs::-webkit-scrollbar{ display:none; }
    .tr-tab{ white-space:nowrap; flex-shrink:0; }
  }