  /* ---------- Fuentes propias (self-hosted, variables, subset latino) ---------- */
  @font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 600;
    font-display: swap;
    src: url('fonts/inter.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  }
  @font-face {
    font-family: 'Fraunces';
    font-style: normal;
    font-weight: 300 400;
    font-display: swap;
    src: url('fonts/fraunces-roman.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  }
  @font-face {
    font-family: 'Fraunces';
    font-style: italic;
    font-weight: 300 400;
    font-display: swap;
    src: url('fonts/fraunces-italic.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
  }

  :root {
    --cream: #EFE7D6;
    --ink: #1A1A1A;
    --navy: #1B2A5B;
    --navy-hover: #2B3B75;
    --muted: #6A6255;
    --line: #E4D9C1;
    --gold: #F0A500;
    --serif: 'Fraunces', Georgia, serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 132px; scrollbar-color: rgba(27,42,91,0.55) var(--line); }
  body {
    margin: 0;
    background: var(--cream);
    color: var(--ink);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  a { color: var(--navy); text-decoration: none; }
  a:hover { color: var(--navy-hover); }
  ::selection { background: var(--navy); color: var(--cream); }
  .site-header ::selection, .why ::selection { background: var(--gold); color: var(--navy); }
  img, video { display: block; max-width: 100%; }

  /* Keyboard focus: visible ring themed to the palette */
  :focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }
  .site-header a:focus-visible, .why :focus-visible { outline-color: var(--cream); }
  .wa-fab:focus-visible { outline-color: #0E7A38; outline-offset: 4px; }
  :focus:not(:focus-visible) { outline: none; }

  /* Themed scrollbar (WebKit) */
  ::-webkit-scrollbar { width: 12px; height: 12px; }
  ::-webkit-scrollbar-track { background: var(--line); }
  ::-webkit-scrollbar-thumb { background: rgba(27,42,91,0.5); border-radius: 999px; border: 3px solid var(--line); }
  ::-webkit-scrollbar-thumb:hover { background: var(--navy); }

  .wrap { max-width: 1152px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

  /* ---------- Header / nav ---------- */
  .site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    transition: box-shadow 200ms ease-out;
    background: var(--navy);
    border-bottom: 1px solid rgba(239,231,214,0.12);
  }
  .site-header.scrolled {
    box-shadow: 0 6px 24px rgba(27,42,91,0.28);
  }
  .nav {
    position: relative;
    max-width: 1152px; margin: 0 auto; padding: 28px 24px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
  }
  .brand { display: flex; align-items: center; gap: 16px; color: var(--cream); }
  .brand .logo { height: 72px; width: auto; display: block; }
  .brand .name { font-family: var(--sans); font-size: 15px; font-weight: 500; color: rgba(239,231,214,0.82); white-space: nowrap; padding-bottom: 4px; }
  .nav-links { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 500; }
  .nav-links a { color: rgba(239,231,214,0.82); padding: 9px 16px; border-radius: 999px; transition: background 220ms ease-out, color 220ms ease-out, transform 220ms ease-out; }
  .nav-links a:hover { background: var(--cream); color: var(--navy); transform: translateY(-1px); }

  /* Botón hamburguesa (solo móvil) */
  .nav-toggle {
    display: none;
    width: 44px; height: 44px; padding: 11px;
    flex-direction: column; justify-content: center; gap: 5px;
    background: transparent; border: 0; border-radius: 12px; cursor: pointer;
    transition: background 200ms ease-out;
  }
  .nav-toggle:hover { background: rgba(239,231,214,0.12); }
  .nav-toggle-bar { display: block; width: 100%; height: 2px; background: var(--cream); border-radius: 2px; transition: transform 240ms ease, opacity 180ms ease; }
  .site-header.menu-open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .site-header.menu-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
  .site-header.menu-open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    border-radius: 999px; font-size: 14px; font-weight: 500;
    transition: background 220ms ease-out, color 220ms ease-out, box-shadow 220ms ease-out, transform 220ms ease-out;
    cursor: pointer;
  }
  .btn-primary { background: var(--navy); color: var(--cream); padding: 14px 28px; box-shadow: inset 0 0 0 1.5px var(--navy); }
  .btn-primary:hover { background: var(--cream); color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--navy), 0 10px 26px rgba(27,42,91,0.20); transform: translateY(-2px); }
  .btn-primary:active { transform: translateY(0); box-shadow: inset 0 0 0 1.5px var(--navy); }
  .btn[disabled], .btn:disabled { opacity: 0.55; cursor: not-allowed; }
  .btn-primary:disabled:hover { background: var(--navy); color: var(--cream); transform: none; box-shadow: inset 0 0 0 1.5px var(--navy); }
  .btn-ghost { border: 1px solid rgba(26,26,26,0.35); color: var(--ink); padding: 14px 28px; }
  .btn-ghost:hover { background: var(--ink); color: var(--cream); border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(26,26,26,0.18); }
  .nav-cta { background: var(--navy); color: var(--cream); border-radius: 999px; padding: 10px 20px; font-size: 13px; font-weight: 500; white-space: nowrap; transition: background 200ms ease-out, color 200ms ease-out; }
  .nav-cta:hover { background: var(--navy-hover); color: var(--cream); }

  /* ---------- Hero ---------- */
  .hero {
    position: relative; min-height: 100vh; overflow: hidden;
    display: flex; flex-direction: column; justify-content: center;
  }
  .hero-media { position: absolute; inset: 0; }
  .hero-media video, .hero-media img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; object-position: center;
  }
  .hero-veil-1 { position: absolute; inset: 0; background: linear-gradient(to top, #EFE7D6 0%, rgba(239,231,214,0.92) 18%, rgba(239,231,214,0) 46%); }
  .hero-veil-2 { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(239,231,214,0.94) 0%, rgba(239,231,214,0.86) 42%, rgba(239,231,214,0.35) 68%, rgba(239,231,214,0) 88%); }
  .hero-veil-3 { position: absolute; top: 0; left: 0; right: 0; height: 180px; background: linear-gradient(to bottom, rgba(239,231,214,0.85) 0%, rgba(239,231,214,0.45) 55%, rgba(239,231,214,0) 100%); }
  .hero-inner { position: relative; z-index: 10; width: 100%; max-width: 1152px; margin: 0 auto; padding: 148px 24px 0; }
  .eyebrow { font-size: 12px; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); margin: 0 0 32px; }
  .hero h1 {
    font-family: var(--serif); font-weight: 300;
    font-size: clamp(44px, 7vw, 104px); line-height: 1.02; letter-spacing: -0.02em;
    color: var(--ink); margin: 0; max-width: 900px;
  }
  .hero h1 em { font-family: var(--serif); font-weight: 300; font-style: italic; }
  .hero-sub { margin: 32px 0 0; font-size: 17px; line-height: 1.65; color: rgba(26,26,26,0.7); max-width: 576px; }
  .hero-actions { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }

  /* Pantallas de poca altura (laptops, Windows a 100%): comprime el hero
     para que el CTA entre completo sin recortarse. No afecta pantallas altas. */
  @media (max-height: 740px) {
    .hero-inner { padding: 104px 24px 32px; }
    .hero h1 { font-size: clamp(38px, 4.8vw, 72px); }
    .eyebrow { margin-bottom: 20px; }
    .hero-sub { margin-top: 20px; }
    .hero-actions { margin-top: 28px; }
  }
  @media (max-height: 560px) {
    .hero-inner { padding: 88px 24px 24px; }
    .hero h1 { font-size: clamp(32px, 6.4vw, 52px); }
    .hero-sub { margin-top: 16px; }
    .hero-actions { margin-top: 20px; }
  }

  /* ---------- Section labels ---------- */
  .kicker { margin: 0 0 40px; font-size: 12px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }

  /* ---------- Estudio ---------- */
  .estudio { max-width: 1152px; margin: 0 auto; padding: 112px 24px; }
  .estudio-grid { border-top: 1px solid var(--line); padding-top: 64px; display: grid; grid-template-columns: 5fr 7fr; gap: 48px; align-items: start; }
  .estudio-label { display: flex; flex-direction: column; gap: 16px; }
  .estudio-label .rule { display: block; width: 40px; height: 2px; background: var(--navy); }
  .estudio-label p { margin: 0; font-size: 12px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
  .estudio-body { border-left: 1px solid var(--line); padding-left: 48px; }
  .estudio-body p { margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(26px, 2.6vw, 38px); line-height: 1.3; letter-spacing: -0.01em; color: var(--ink); text-wrap: pretty; }
  .estudio-rule-bottom { border-bottom: 1px solid var(--line); margin-top: 64px; }

  /* ---------- Steps ("Cómo trabajo") ---------- */
  .section-flush { max-width: 1152px; margin: 0 auto; padding: 0 24px 112px; }
  .row {
    display: flex; justify-content: space-between; align-items: baseline; gap: 32px;
    padding: 40px 16px; border-top: 1px solid var(--line);
    transition: background 200ms ease-out; margin: 0 -16px;
  }
  .row:hover { background: rgba(228,217,193,0.5); }
  .row .num { font-family: var(--serif); font-weight: 300; font-size: clamp(38px, 4vw, 58px); line-height: 1; color: var(--navy); width: 96px; flex: none; }
  .row .body { flex: 1; }
  .row h3 { margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.25; letter-spacing: -0.01em; color: var(--ink); }
  .row .copy { margin: 10px 0 0; font-size: 15px; line-height: 1.6; color: rgba(26,26,26,0.65); max-width: 520px; }
  .row .arrow { flex: none; }
  .rule-bottom { border-bottom: 1px solid var(--line); }

  /* ---------- Áreas ---------- */
  .areas-grid { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 64px; }
  .area {
    padding: 24px 12px; border-bottom: 1px solid var(--line); margin: 0 -12px;
    transition: background 200ms ease-out;
    font-family: var(--serif); font-weight: 300; font-size: clamp(20px, 2vw, 28px);
    line-height: 1.3; letter-spacing: -0.01em; color: var(--ink);
  }
  .area:hover { background: rgba(228,217,193,0.5); }
  .areas-more {
    grid-column: 1 / -1; padding: 32px 12px 24px; border-bottom: 1px solid var(--line); margin: 0 -12px;
    font-family: var(--serif); font-weight: 300; font-size: clamp(20px, 2vw, 28px);
    line-height: 1.35; letter-spacing: -0.01em; color: var(--ink); max-width: 820px; text-wrap: pretty;
  }
  .areas-more a { color: var(--ink); border-bottom: 1px solid var(--navy); }
  .areas-more a:hover { color: var(--ink); }
  #areas .kicker { margin-bottom: 20px; }
  .areas-lead {
    margin: 0 0 40px; max-width: 760px;
    font-size: 17px; line-height: 1.7; color: rgba(26,26,26,0.72); text-wrap: pretty;
  }
  .areas-lead a { color: var(--navy); border-bottom: 1px solid var(--navy); transition: color 160ms ease-out; }
  .areas-lead a:hover { color: var(--ink); }

  /* ---------- Guías ---------- */
  .guias-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 8px; }
  .guia {
    display: flex; flex-direction: column; gap: 12px;
    background: #FBF7EC; border: 1px solid var(--line); border-radius: 18px;
    padding: 28px 28px 24px; text-decoration: none;
    box-shadow: 0 10px 26px rgba(27,42,91,0.06);
    transition: transform 220ms ease-out, box-shadow 220ms ease-out, border-color 220ms ease-out;
  }
  .guia:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(27,42,91,0.12); border-color: var(--navy); }
  .guia:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }
  .guia-tag { font-size: 12px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
  .guia-t { font-family: var(--serif); font-weight: 300; font-size: 21px; line-height: 1.28; color: var(--ink); text-wrap: pretty; }
  .guia-go { margin-top: auto; font-size: 14px; font-weight: 500; color: var(--navy); }
  .guia:hover .guia-go { color: var(--navy-hover); }

  /* ---------- Por qué elegirme (navy) ---------- */
  .why { background: var(--navy); color: var(--cream); padding: 128px 24px; text-align: center; }
  .why-kicker { margin: 0 0 40px; font-size: 12px; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: rgba(239,231,214,0.6); }
  .why-lead { margin: 0 auto; max-width: 820px; font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 3.6vw, 50px); line-height: 1.2; letter-spacing: -0.02em; color: var(--cream); text-wrap: pretty; }
  .why-list { margin: 72px auto 0; max-width: 560px; display: flex; flex-direction: column; }
  .why-list p { margin: 0; padding: 18px 0; font-size: 16px; color: rgba(239,231,214,0.7); }
  .why-list p + p { border-top: 1px solid rgba(239,231,214,0.3); }

  /* ---------- Casos ---------- */
  .casos { max-width: 900px; margin: 0 auto; padding: 128px 24px; }
  .casos .kicker { margin-bottom: 64px; }
  .quotes { display: flex; flex-direction: column; gap: 64px; }
  .quotes figure { margin: 0; }
  .quotes blockquote { margin: 0; font-family: var(--serif); font-weight: 300; font-style: italic; font-size: clamp(22px, 2.3vw, 30px); line-height: 1.35; letter-spacing: -0.01em; color: var(--ink); text-wrap: pretty; }
  .quotes figcaption { margin-top: 20px; font-size: 14px; font-weight: 500; color: var(--muted); }

  /* ---------- Sobre Nicolás ---------- */
  .about { max-width: 1152px; margin: 0 auto; padding: 112px 24px; }
  .about-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 64px; align-items: center; }
  .about-h { font-family: var(--serif); font-weight: 300; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.15; letter-spacing: -0.02em; margin: 24px 0; color: var(--ink); text-wrap: pretty; }
  .about-text p:not(.kicker) { margin: 0 0 18px; font-size: 17px; line-height: 1.72; color: rgba(26,26,26,0.72); max-width: 54ch; }
  .about-text .kicker { margin-bottom: 28px; }
  .about-text p.placeholder { color: var(--muted); font-style: italic; }
  .about-text p.about-lead { font-size: 19px; line-height: 1.5; font-weight: 500; color: var(--ink); margin: -4px 0 22px; }
  .about-text p.about-mat { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 14px; line-height: 1.5; letter-spacing: 0.01em; color: var(--muted); }
  .about-photo { margin: 0; }
  .about-photo img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 20px; box-shadow: 0 24px 60px rgba(27,42,91,0.18); }

  /* ---------- Testimonios ---------- */
  .testimonios { max-width: 1152px; margin: 0 auto; padding: 0 24px 128px; }
  .testimonios-list { display: flex; flex-direction: column; gap: 64px; }

  .t-stars { display: inline-flex; gap: 4px; margin-bottom: 24px; }
  .t-stars svg { width: 16px; height: 16px; }
  .t-stars .filled { fill: var(--navy); color: var(--navy); }
  .t-stars .empty { fill: none; color: rgba(27, 42, 91, 0.25); }

  .t-quote { margin: 0; font-family: var(--serif); font-weight: 300; font-style: italic; font-size: clamp(24px, 2.5vw, 30px); line-height: 1.35; color: var(--ink); text-wrap: pretty; }

  .t-attrib { margin-top: 24px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; font-weight: 500; color: var(--muted); }
  .t-verified { display: inline-flex; align-items: center; gap: 4px; color: rgba(27, 42, 91, 0.7); font-size: 12px; font-weight: 500; }

  .t-skeleton .t-quote { display: none; }
  .t-skeleton .sk-line { height: 24px; background: rgba(228, 217, 193, 0.6); border-radius: 6px; margin-bottom: 12px; animation: sk-pulse 1.4s ease-in-out infinite; }
  .t-skeleton .sk-line.w-full { width: 100%; }
  .t-skeleton .sk-line.w-90 { width: 92%; }
  .t-skeleton .sk-line.w-75 { width: 75%; }
  .t-skeleton .sk-attrib { width: 192px; height: 16px; margin-top: 24px; background: rgba(228, 217, 193, 0.6); border-radius: 6px; animation: sk-pulse 1.4s ease-in-out infinite; }
  @keyframes sk-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

  .testimonios-cta { margin-top: 96px; display: flex; flex-direction: column; align-items: center; gap: 16px; }
  .testimonios-cta-copy { font-size: 14px; color: var(--muted); max-width: 28rem; text-align: center; margin: 0; }
  .btn-testimonio { display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px; background: var(--navy); color: var(--cream); font-size: 14px; font-weight: 500; border: none; border-radius: 9999px; cursor: pointer; transition: background-color 200ms ease, color 200ms ease; }
  .btn-testimonio:hover { background: var(--cream); color: var(--navy); }

  /* Modal de agradecimiento */
  .ty-overlay { position: fixed; inset: 0; z-index: 9999; background: rgba(26, 26, 26, 0.6); backdrop-filter: blur(4px); display: none; align-items: center; justify-content: center; }
  .ty-overlay[data-open="true"] { display: flex; }
  .ty-card { background: var(--cream); border-radius: 16px; max-width: 28rem; width: 90%; padding: clamp(32px, 5vw, 56px); text-align: center; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); }
  .ty-icon { width: 48px; height: 48px; border-radius: 9999px; background: rgba(27, 42, 91, 0.1); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 24px; }
  .ty-title { font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 4vw, 36px); color: var(--ink); margin: 0 0 16px 0; }
  .ty-body { color: var(--muted); line-height: 1.6; margin: 0 0 32px 0; }
  .ty-close { padding: 10px 24px; border: 1px solid rgba(26, 26, 26, 0.2); background: transparent; color: var(--ink); font-size: 14px; font-weight: 500; border-radius: 9999px; cursor: pointer; transition: background-color 200ms ease; }
  .ty-close:hover { background: rgba(26, 26, 26, 0.05); }

  /* ---------- FAQs ---------- */
  .faq { max-width: 860px; margin: 0 auto; padding: 0 24px 128px; }
  .faq-list { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-item summary {
    list-style: none; cursor: pointer; padding: 28px 8px; margin: 0 -8px;
    display: flex; align-items: center; justify-content: space-between; gap: 28px;
    font-family: var(--serif); font-weight: 300; font-size: clamp(19px, 2vw, 26px);
    line-height: 1.3; letter-spacing: -0.01em; color: var(--ink);
    transition: color 200ms ease-out; text-wrap: pretty;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--navy); }
  .faq-icon { flex: none; width: 26px; height: 26px; position: relative; }
  .faq-icon::before, .faq-icon::after {
    content: ""; position: absolute; top: 50%; left: 50%; background: var(--navy);
    border-radius: 2px; transition: transform 260ms ease-out;
  }
  .faq-icon::before { width: 16px; height: 2px; transform: translate(-50%, -50%); }
  .faq-icon::after { width: 2px; height: 16px; transform: translate(-50%, -50%); }
  .faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
  .faq-answer { padding: 0 8px 30px; max-width: 64ch; }
  .faq-answer p { margin: 0; font-size: 16px; line-height: 1.7; color: rgba(26,26,26,0.72); }
  .faq-item[open] .faq-answer { animation: faqIn 280ms ease-out; }
  @keyframes faqIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

  /* ---------- Contacto ---------- */
  .contacto { max-width: 1152px; margin: 0 auto; padding: 0 24px 128px; }
  .onboard-row {
    display: flex; justify-content: space-between; align-items: baseline; gap: 32px;
    padding: 24px 16px; border-top: 1px solid var(--line); margin: 0 -16px;
    transition: background 200ms ease-out;
  }
  .onboard-row:hover { background: rgba(228,217,193,0.5); }
  .onboard-row .num { font-family: var(--serif); font-weight: 300; font-size: 32px; line-height: 1; color: var(--navy); width: 96px; flex: none; }
  .onboard-row p { flex: 1; margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(19px, 1.8vw, 24px); line-height: 1.3; color: var(--ink); }
  .onboard-row .arrow { flex: none; }

  .cta-card { background: var(--line); border-radius: 24px; padding: 64px 56px; margin-top: 64px; }
  .cta-card h2 { margin: 0; font-family: var(--serif); font-weight: 300; font-size: clamp(30px, 3.2vw, 44px); line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); }
  .cta-card p { margin: 20px 0 0; font-size: 16px; line-height: 1.65; color: rgba(26,26,26,0.7); max-width: 560px; }
  .cta-actions { display: flex; align-items: center; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
  .cta-email { font-size: 14px; font-weight: 500; color: var(--ink); border-bottom: 1px solid rgba(26,26,26,0.25); transition: color 200ms ease-out; }
  .cta-email:hover { color: var(--navy); }

  /* ---------- Footer ---------- */
  .site-footer { background: var(--cream); border-top: 1px solid var(--line); }
  .footer-grid { max-width: 1152px; margin: 0 auto; padding: 72px 24px 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; font-size: 14px; color: var(--muted); }
  .footer-brand .line { display: flex; align-items: baseline; gap: 12px; color: var(--ink); }
  .footer-brand .mark { font-family: var(--serif); font-weight: 400; font-size: 20px; }
  .footer-brand .name { font-size: 14px; font-weight: 500; }
  .footer-brand p { margin: 16px 0 0; line-height: 1.7; }
  .footer-col { display: flex; flex-direction: column; gap: 8px; line-height: 1.7; }
  .footer-col a { color: var(--muted); }
  .footer-col a:hover { color: var(--ink); }
  .footer-legal { max-width: 1152px; margin: 0 auto; padding: 24px 24px 48px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; font-size: 13px; color: var(--muted); }

  /* ---------- Botón flotante de WhatsApp ---------- */
  .wa-fab {
    position: fixed; right: 24px; bottom: 24px; z-index: 60;
    display: flex; align-items: center; justify-content: center;
    width: 60px; height: 60px; border-radius: 999px;
    background: #25D366; color: #fff;
    box-shadow: 0 8px 24px rgba(18,140,66,0.32), 0 2px 6px rgba(0,0,0,0.12);
    animation: wa-float 3s ease-in-out infinite;
    transition: transform 200ms ease-out, box-shadow 200ms ease-out, background 200ms ease-out;
  }
  .wa-fab::before {
    content: ""; position: absolute; inset: 0; border-radius: inherit;
    background: #25D366; z-index: -1;
    animation: wa-pulse 2.4s ease-out infinite;
  }
  .wa-fab:hover { background: #1EBE57; color: #fff; transform: translateY(-2px) scale(1.05); box-shadow: 0 12px 30px rgba(18,140,66,0.42), 0 3px 8px rgba(0,0,0,0.16); }
  .wa-fab svg { width: 32px; height: 32px; }
  @keyframes wa-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
  }
  @keyframes wa-pulse {
    0% { transform: scale(1); opacity: 0.55; }
    70%, 100% { transform: scale(1.7); opacity: 0; }
  }
  @media (max-width: 820px) {
    .wa-fab { right: 18px; bottom: 18px; width: 56px; height: 56px; }
    .wa-fab svg { width: 30px; height: 30px; }
  }

  /* ---------- Scroll reveal ---------- */
  [data-reveal] > * { will-change: opacity, transform, filter; }

  /* ---------- Responsive ---------- */
  @media (max-width: 820px) {
    .nav-toggle { display: flex; }
    .nav-links {
      position: absolute; top: 100%; left: 0; right: 0;
      display: flex; flex-direction: column; align-items: stretch; gap: 4px;
      background: var(--navy);
      border-top: 1px solid rgba(239,231,214,0.12);
      border-bottom: 1px solid rgba(239,231,214,0.12);
      box-shadow: 0 16px 30px rgba(27,42,91,0.32);
      padding: 12px 24px 20px;
      max-height: 0; overflow: hidden; opacity: 0;
      transform: translateY(-8px); pointer-events: none;
      transition: max-height 300ms ease, opacity 200ms ease, transform 240ms ease;
    }
    .site-header.menu-open .nav-links {
      max-height: 420px; opacity: 1; transform: translateY(0); pointer-events: auto;
    }
    .nav-links a { padding: 14px 16px; font-size: 17px; border-radius: 12px; }
    .estudio-grid { grid-template-columns: 1fr; gap: 24px; }
    .estudio-body { border-left: 0; padding-left: 0; }
    .areas-grid { grid-template-columns: 1fr; column-gap: 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-legal { flex-direction: column; gap: 8px; }
    .row { gap: 20px; }
    .row .num, .onboard-row .num { width: 64px; }
    .row .arrow { display: none; }
    .cta-card { padding: 40px 28px; }
    .estudio, .section-flush { padding-top: 80px; padding-bottom: 80px; }
    .why { padding: 88px 24px; }
    .casos, .contacto { padding-top: 88px; }
    .about { padding-top: 80px; padding-bottom: 80px; }
    .about-grid { grid-template-columns: 1fr; gap: 28px; }
    .about-photo { order: -1; max-width: 420px; }
    .testimonios-list { gap: 48px; }
    .testimonios-cta { margin-top: 64px; }
    .guias-grid { grid-template-columns: 1fr; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    [data-reveal] > * { opacity: 1 !important; transform: none !important; filter: none !important; }
    .wa-fab, .wa-fab::before { animation: none !important; }
    .btn-primary:hover, .btn-ghost:hover, .nav-links a:hover { transform: none !important; }
    .faq-item[open] .faq-answer { animation: none !important; }
    .faq-icon::before, .faq-icon::after { transition: none !important; }
  }

  /* ---------- Páginas de área ---------- */
  .page-hero { max-width: 900px; margin: 0 auto; padding: 200px 24px 64px; }
  .page-hero .crumb { font-size: 13px; letter-spacing: 0.02em; color: var(--muted); margin: 0 0 24px; }
  .page-hero .crumb a { color: var(--muted); } .page-hero .crumb a:hover { color: var(--navy); }
  .page-hero h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(40px, 6vw, 76px); line-height: 1.04; letter-spacing: -0.02em; color: var(--ink); margin: 0; max-width: 16ch; }
  .page-hero .lead { margin: 28px 0 40px; font-size: 19px; line-height: 1.6; color: rgba(26,26,26,0.72); max-width: 60ch; }
  .prose { max-width: 720px; margin: 0 auto; padding: 8px 24px 96px; }
  .prose h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(25px, 3vw, 34px); line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); margin: 56px 0 20px; text-wrap: pretty; }
  .prose p { font-size: 17px; line-height: 1.75; color: rgba(26,26,26,0.78); margin: 0 0 20px; }
  .prose ul { margin: 0 0 24px; padding: 0; list-style: none; }
  .prose li { position: relative; padding-left: 26px; margin-bottom: 12px; font-size: 17px; line-height: 1.6; color: rgba(26,26,26,0.78); }
  .prose li::before { content: ""; position: absolute; left: 3px; top: 10px; width: 8px; height: 8px; border-radius: 2px; background: var(--gold); transform: rotate(45deg); }
  .prose strong { font-weight: 600; color: var(--ink); }
  .prose .prose-cta { margin: 8px 0 0; }
  .prose .nota { font-size: 14px; line-height: 1.6; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 40px; }
  .prose .ramo-link { font-size: 16px; }
  .prose .ramo-link a { color: var(--navy); border-bottom: 1px solid var(--navy); }
  .prose .ramo-link a:hover { color: var(--ink); }

  .cta-band { background: var(--navy); color: var(--cream); text-align: center; padding: 104px 24px; }
  .cta-band h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.18; letter-spacing: -0.02em; margin: 0 auto 16px; max-width: 20ch; color: var(--cream); text-wrap: pretty; }
  .cta-band p { margin: 0 auto 36px; max-width: 46ch; font-size: 17px; line-height: 1.6; color: rgba(239,231,214,0.72); }
  .cta-band .btn-primary { background: var(--cream); color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--cream); }
  .cta-band .btn-primary:hover { background: transparent; color: var(--cream); box-shadow: inset 0 0 0 1.5px var(--cream); }

  .otras { max-width: 1152px; margin: 0 auto; padding: 96px 24px 120px; border-top: 1px solid var(--line); }
  .otras .kicker { margin-bottom: 32px; }
  .otras-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .otra { display: block; border: 1px solid var(--line); border-radius: 16px; padding: 26px 24px; background: #FBF7EC; box-shadow: 0 10px 26px rgba(27,42,91,0.06); transition: transform 200ms ease-out, box-shadow 200ms ease-out, color 200ms ease-out; font-family: var(--serif); font-weight: 300; font-size: 21px; line-height: 1.25; color: var(--ink); }
  .otra:hover { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(27,42,91,0.12); color: var(--navy); }
  .otra span { display: block; margin-top: 10px; font-family: var(--sans); font-size: 13px; line-height: 1.5; color: var(--muted); }

  a.area { display: block; color: var(--ink); }
  a.area:hover { color: var(--navy); }
  .nav-links a[aria-current="page"] { background: rgba(239,231,214,0.16); color: var(--cream); }

  @media (max-width: 820px) {
    .page-hero { padding-top: 150px; padding-bottom: 48px; }
    .otras-grid { grid-template-columns: 1fr; }
    .cta-band { padding: 72px 24px; }
  }

