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

  :root {
    --black: #111111;
    --black-deep: #0A0A0A;
    --white: #FFFFFF;
    --orange: #DA7756;
    --orange-dark: #C45E3E;
    --bone: #F5F3F0;
    --gray-deep: #1A1A1A;
    --gray-mid: #888888;
    --gray-light: #E8E6E3;
    --border: rgba(0,0,0,0.08);
    --border-dark: rgba(255,255,255,0.08);
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(.16,1,.3,1);
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: var(--font);
    background: var(--bone);
    color: var(--black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  body.loading { overflow: hidden; height: 100vh; }

  ::selection { background: var(--orange); color: #fff; }

  /* film grain overlay */
  .grain {
    position: fixed; inset: 0; z-index: 90; pointer-events: none;
    opacity: 0.035; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  /* ---------- custom cursor ---------- */
  .cursor-dot, .cursor-ring {
    position: fixed; top: 0; left: 0; z-index: 200; pointer-events: none;
    border-radius: 50%; transform: translate(-50%, -50%);
    mix-blend-mode: difference;
  }
  .cursor-dot { width: 7px; height: 7px; background: var(--orange); transition: width .2s, height .2s, background .2s; }
  .cursor-ring {
    width: 34px; height: 34px; border: 1px solid rgba(218,119,86,0.6);
    transition: width .25s var(--ease), height .25s var(--ease), border-color .25s, opacity .25s;
  }
  body.cursor-hover .cursor-ring { width: 58px; height: 58px; border-color: var(--orange); }
  body.cursor-hover .cursor-dot { width: 0; height: 0; }
  @media (hover: none), (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

  /* ---------- intro loader ---------- */
  #loader {
    position: fixed; inset: 0; z-index: 300; background: var(--black-deep);
    display: flex; align-items: center; justify-content: center; flex-direction: column;
    transition: transform 0.9s var(--ease);
  }
  #loader.done { transform: translateY(-100%); }
  .loader-logo { font-size: clamp(40px, 8vw, 72px); font-weight: 800; letter-spacing: -0.03em; color: #fff; display: flex; align-items: baseline; }
  .loader-logo .txt {
    display: inline-block; white-space: nowrap;
    clip-path: inset(0 100% 0 0);
    animation: revealLR 0.7s var(--ease) forwards;
  }
  @keyframes revealLR { to { clip-path: inset(0 0 0 0); } }
  .loader-dot {
    width: 0.16em; height: 0.16em; border-radius: 50%; background: var(--orange);
    margin-left: 0.04em; opacity: 0; transform: translateY(-1.4em);
    animation: dotdrop 0.5s var(--ease) 0.7s forwards;
  }
  @keyframes dotdrop { to { opacity: 1; transform: translateY(0); } }
  .loader-sub { font-size: 11px; font-weight: 400; letter-spacing: 0.26em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-top: 18px; opacity: 0; animation: loaderFade 0.5s var(--ease) 0.85s forwards; }
  @keyframes loaderFade { to { opacity: 1; } }
  .loader-bar { margin-top: 24px; width: 0; height: 1px; background: rgba(255,255,255,0.25); animation: barfill 1.0s var(--ease) 0.3s forwards; }
  @keyframes barfill { to { width: 180px; } }

  /* ---------- NAV ---------- */
  nav {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(245,243,240,0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 0.5px solid var(--border); z-index: 100;
    padding: 0 clamp(20px, 5vw, 48px); height: 60px;
    display: flex; align-items: center; justify-content: space-between;
    transform: translateY(-100%); transition: transform 0.6s var(--ease) 0.2s, background 0.4s, border-color 0.4s, color .4s;
  }
  nav.ready { transform: none; }
  nav.on-dark { background: rgba(10,10,10,0.6); border-bottom-color: var(--border-dark); }
  .nav-logo { font-size: 16px; font-weight: 800; letter-spacing: -0.02em; color: var(--black); text-decoration: none; transition: color .4s; }
  nav.on-dark .nav-logo { color: #fff; }
  .nav-logo span { color: var(--orange); }
  .nav-links { display: flex; gap: 34px; list-style: none; }
  .nav-links a {
    font-size: 11px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--gray-mid); text-decoration: none; transition: color 0.2s; position: relative;
  }
  .nav-links a::after { content:''; position:absolute; left:0; bottom:-6px; width:0; height:1px; background:var(--orange); transition:width .3s var(--ease); }
  .nav-links a:hover { color: var(--black); }
  nav.on-dark .nav-links a:hover { color:#fff; }
  .nav-links a:hover::after { width:100%; }
  .nav-cta {
    font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
    color: #fff; background: var(--orange); padding: 9px 18px; border-radius: 4px; text-decoration: none;
    transition: background 0.2s, transform .2s;
  }
  .nav-cta:hover { background: var(--orange-dark); }
  @media (max-width: 820px) { .nav-links { display: none; } }

  /* ---------- LAYOUT ---------- */
  section { padding: clamp(72px, 11vw, 128px) clamp(20px, 5vw, 48px); border-bottom: 0.5px solid var(--border); position: relative; }
  .inner { max-width: 1040px; margin: 0 auto; }

  .eyebrow { font-size: 11px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--orange); margin-bottom: 18px; }
  .s-title { font-size: clamp(30px, 5vw, 46px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.05; margin-bottom: 20px; max-width: 800px; }
  .s-desc { font-size: clamp(15px, 2vw, 17px); font-weight: 400; color: var(--gray-mid); max-width: 620px; line-height: 1.7; }
  .divider { border: none; border-top: 0.5px solid var(--border); margin: 44px 0; }

  .dark { background: var(--black); color: #fff; border-bottom-color: var(--border-dark); }
  .dark .s-title { color: #fff; }
  .dark .s-desc { color: rgba(255,255,255,0.5); }
  .dark .divider { border-top-color: var(--border-dark); }

  /* ---------- HERO ---------- */
  #hero { background: var(--black-deep); color: #fff; min-height: 100vh; display: flex; align-items: center; padding-top: 120px; padding-bottom: 72px; border-bottom: none; overflow: hidden; }
  .hero-bg { position: absolute; inset: 0; z-index: 0; background: url('/img/hero.jpg') center right / cover no-repeat; }
  .hero-bg::after { content:''; position: absolute; inset: 0; background:
      linear-gradient(90deg, #0A0A0A 0%, rgba(10,10,10,0.80) 40%, rgba(10,10,10,0.30) 100%),
      linear-gradient(0deg, #0A0A0A 2%, rgba(10,10,10,0) 45%); }
  #hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; opacity: 0.45; }
  #hero .glow { content:''; position: absolute; top: -240px; right: -200px; width: 680px; height: 680px; border-radius: 50%; background: radial-gradient(circle, rgba(218,119,86,0.12) 0%, transparent 68%); pointer-events: none; z-index: 1; will-change: transform; }
  .hero-inner { max-width: 1040px; margin: 0 auto; width: 100%; position: relative; z-index: 2; }
  .hero-eyebrow { font-size: 11px; font-weight: 400; letter-spacing: 0.24em; text-transform: uppercase; color: var(--orange); margin-bottom: 36px; }
  .hero-title { font-size: clamp(52px, 10vw, 116px); font-weight: 800; letter-spacing: -0.04em; line-height: 0.92; margin-bottom: 32px; }
  .hero-title .ln { display: block; overflow: hidden; }
  .hero-title .ln > span { display: inline-block; transform: translateY(110%); }
  .hero-title .dot { color: var(--orange); display: inline-block; transform: scale(0); }
  .hero-title span { color: inherit; }
  .hero-sub { font-size: clamp(17px, 2.4vw, 21px); font-weight: 300; color: rgba(255,255,255,0.55); max-width: 560px; line-height: 1.55; margin-bottom: 44px; }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 72px; }

  .btn { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; padding: 15px 28px; border-radius: 5px; text-decoration: none; transition: transform 0.15s, background 0.2s, border-color 0.2s; position: relative; will-change: transform; }
  .btn-primary { background: var(--orange); color: #fff; }
  .btn-primary:hover { background: var(--orange-dark); }
  .btn-ghost { background: transparent; color: #fff; border: 0.5px solid rgba(255,255,255,0.25); }
  .btn-ghost:hover { border-color: #fff; }
  .btn-dark { background: var(--black); color: #fff; }
  .btn-dark:hover { background: var(--gray-deep); }

  .hero-meta { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.07); border: 0.5px solid rgba(255,255,255,0.07); border-radius: 8px; overflow: hidden; }
  .hero-meta-item { padding: 22px 24px; background: rgba(255,255,255,0.015); }
  .hm-value { font-size: clamp(20px, 3vw, 28px); font-weight: 800; letter-spacing: -0.02em; color: #fff; margin-bottom: 4px; }
  .hm-label { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.4); }
  @media (max-width: 720px) { .hero-meta { grid-template-columns: repeat(2, 1fr); } }

  /* ---------- TESIS (scroll fill) ---------- */
  #tesis { background: var(--black); color: #fff; border-bottom-color: var(--border-dark); }
  .tesis-text { font-size: clamp(24px, 4vw, 40px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.3; max-width: 940px; }
  .tesis-text .w { color: rgba(255,255,255,0.16); transition: color 0.3s var(--ease); }
  .tesis-text .w.on { color: #fff; }
  .tesis-text .w.acc.on { color: var(--orange); }

  /* ---------- CARDS ---------- */
  .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin-top: 52px; }
  .card { background: var(--white); border: 0.5px solid var(--border); border-radius: 10px; padding: 28px; transition: transform 0.3s var(--ease), border-color 0.3s; position: relative; overflow: hidden; }
  .card::before { content:''; position:absolute; top:0; left:0; width:100%; height:2px; background:var(--orange); transform: scaleX(0); transform-origin:left; transition: transform .4s var(--ease); }
  .card:hover { transform: translateY(-4px); border-color: rgba(218,119,86,0.35); }
  .card:hover::before { transform: scaleX(1); }
  .dark .card { background: rgba(255,255,255,0.03); border-color: var(--border-dark); }
  .card-num { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; font-weight: 500; }
  .card-name { font-size: 18px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 10px; }
  .dark .card-name { color: #fff; }
  .card-desc { font-size: 14px; color: var(--gray-mid); line-height: 1.6; }
  .dark .card-desc { color: rgba(255,255,255,0.5); }

  .closer { font-size: clamp(18px, 2.6vw, 24px); font-weight: 500; letter-spacing: -0.015em; line-height: 1.4; margin-top: 48px; max-width: 720px; }
  .closer .acc { color: var(--orange); }

  /* ---------- CIRCUIT ---------- */
  .circuit-wrap { margin-top: 52px; }
  .circuit { display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px; position: relative; }
  .circuit-line { position:absolute; top:50%; left:0; height:1px; background:var(--orange); width:0; transition: width 1.1s var(--ease); z-index:0; opacity:.5; }
  .circuit-step { flex: 1; min-width: 130px; background: rgba(255,255,255,0.02); border: 0.5px solid var(--border-dark); border-radius: 8px; padding: 20px 18px; position: relative; z-index:1; opacity:.35; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .5s, background .5s; }
  .circuit-step.lit { opacity:1; transform:none; border-color: rgba(218,119,86,0.4); background: rgba(218,119,86,0.06); }
  .cs-k { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); margin-bottom: 8px; }
  .cs-t { font-size: 15px; font-weight: 500; color: #fff; }
  .circuit-arrow { display: flex; align-items: center; color: rgba(255,255,255,0.25); font-size: 18px; }
  @media (max-width: 720px) { .circuit-arrow { display: none; } .circuit-line { display:none; } }

  /* feature list */
  .flist { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 40px; margin-top: 48px; }
  .frow { display: flex; gap: 14px; padding: 16px 0; border-bottom: 0.5px solid var(--border-dark); align-items: flex-start; }
  .fdot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); flex-shrink: 0; margin-top: 8px; }
  .ftext { font-size: 14.5px; color: rgba(255,255,255,0.7); line-height: 1.5; }
  .ftext b { color: #fff; font-weight: 500; }

  .proof { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 52px; padding-top: 40px; border-top: 0.5px solid var(--border-dark); }
  .proof-item .pv { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.03em; color: #fff; }
  .proof-item .pv span { color: var(--orange); }
  .proof-item .pl { font-size: 12px; color: rgba(255,255,255,0.4); letter-spacing: 0.04em; margin-top: 2px; }

  .pillar-ex { font-size: 13px; color: var(--gray-mid); background: var(--bone); border-radius: 6px; padding: 12px 14px; line-height: 1.5; font-style: italic; margin-top: 16px; }

  .excl { display: inline-flex; align-items: center; gap: 10px; margin-top: 40px; background: rgba(218,119,86,0.1); border: 0.5px solid rgba(218,119,86,0.3); border-radius: 100px; padding: 10px 20px; font-size: 13px; font-weight: 500; color: var(--orange); letter-spacing: 0.02em; }
  .excl .pulse { width:8px; height:8px; border-radius:50%; background:var(--orange); animation: pulse 1.8s infinite; }
  @keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(218,119,86,.5);} 70%{box-shadow:0 0 0 8px rgba(218,119,86,0);} 100%{box-shadow:0 0 0 0 rgba(218,119,86,0);} }
  .incl-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
  .incl-tag { font-size: 12.5px; font-weight: 500; letter-spacing: 0.02em; padding: 9px 16px; border-radius: 6px; background: rgba(255,255,255,0.04); border: 0.5px solid var(--border-dark); color: rgba(255,255,255,0.85); }
  .incl-tag span { color: var(--orange); }

  /* ---------- MARQUEE ---------- */
  .marquee { background: var(--black-deep); border-bottom: 0.5px solid var(--border-dark); padding: 0; overflow: hidden; white-space: nowrap; }
  .marquee-track { display: inline-flex; will-change: transform; }
  .marquee-item { font-size: clamp(40px, 9vw, 104px); font-weight: 800; letter-spacing: -0.03em; padding: 28px 0; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,0.28); text-stroke: 1px rgba(255,255,255,0.28); }
  .marquee-item .sep { -webkit-text-stroke: 0; color: var(--orange); padding: 0 0.35em; }
  .marquee-item .fill { -webkit-text-stroke: 0; color: #fff; }

  /* ---------- MEDIA BANNER ---------- */
  .media-banner { margin-top: 48px; border-radius: 14px; overflow: hidden; border: 0.5px solid var(--border); position: relative; }
  .dark .media-banner { border-color: var(--border-dark); }
  .media-banner img { display: block; width: 100%; height: auto; }
  .media-banner .cap { position: absolute; left: 20px; bottom: 16px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.75); }

  /* ---------- CASOS ---------- */
  #casos { background: var(--black-deep); color: #fff; border-bottom-color: var(--border-dark); }
  .casos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-top: 52px; }
  .caso { position: relative; border-radius: 12px; overflow: hidden; border: 0.5px solid var(--border-dark); background: #000; transition: transform 0.3s var(--ease), border-color 0.3s; }
  .caso:hover { transform: translateY(-5px); border-color: rgba(218,119,86,0.4); }
  .caso-img { width: 100%; aspect-ratio: 9/16; overflow: hidden; background: #050505; display: flex; align-items: flex-start; justify-content: center; }
  .caso-img img { width: 100%; height: auto; display: block; }
  .caso-meta { padding: 16px 18px; border-top: 0.5px solid var(--border-dark); }
  .caso-name { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; color: #fff; }
  .caso-handle { font-size: 12px; color: var(--orange); margin-top: 1px; }
  .caso-tag { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-top: 8px; }
  .casos-note { margin-top: 36px; font-size: 14px; color: rgba(255,255,255,0.45); }
  .casos-note b { color: #fff; font-weight: 500; }

  /* ---------- CARRUSELES (prueba del design system) ---------- */
  #carruseles { background: var(--black-deep); color: #fff; border-bottom-color: var(--border-dark); }
  .cont-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 52px; }
  .cont-card { border: 0.5px solid var(--border-dark); border-radius: 14px; overflow: hidden; background: #000; cursor: pointer; transition: transform .3s var(--ease), border-color .3s; }
  .cont-card:hover { transform: translateY(-6px); border-color: rgba(218,119,86,0.45); }
  .cont-cover { width: 100%; overflow: hidden; position: relative; background: #050505; line-height: 0; }
  .cont-cover img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; display: block; }
  .cont-badge { position: absolute; top: 14px; left: 14px; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; background: rgba(0,0,0,0.45); backdrop-filter: blur(6px); border: 0.5px solid rgba(255,255,255,0.18); padding: 5px 11px; border-radius: 100px; }
  .cont-meta { padding: 16px 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .cont-title { font-size: 14.5px; font-weight: 500; color: #fff; line-height: 1.3; }
  .cont-view { font-size: 12px; color: var(--orange); font-weight: 500; white-space: nowrap; }

  /* lightbox */
  .lb { position: fixed; inset: 0; z-index: 300; background: rgba(5,5,5,0.94); backdrop-filter: blur(10px); display: none; align-items: center; justify-content: center; padding: 20px; }
  .lb.open { display: flex; }
  .lb-stage { position: relative; width: min(86vw, 500px); }
  .lb-img { width: 100%; aspect-ratio: 4/5; object-fit: contain; border-radius: 12px; display: block; background: #0A0A0A; }
  .lb-count { text-align: center; margin-top: 16px; font-size: 12px; letter-spacing: 0.16em; color: rgba(255,255,255,0.5); }
  .lb-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; border: 0.5px solid rgba(255,255,255,0.2); background: rgba(0,0,0,0.4); color: #fff; font-size: 22px; display: flex; align-items: center; justify-content: center; cursor: pointer; user-select: none; transition: border-color .2s; }
  .lb-arrow:hover { border-color: var(--orange); }
  .lb-prev { left: -70px; } .lb-next { right: -70px; }
  .lb-close { position: absolute; top: -48px; right: 0; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.6); cursor: pointer; }
  .lb-close:hover { color: #fff; }
  @media (max-width: 680px) { .lb-prev { left: 6px; } .lb-next { right: 6px; } .lb-arrow { background: rgba(0,0,0,0.55); } }

  /* ---------- PROCESO ---------- */
  #proceso { background: var(--bone); }
  .fase-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; margin-top: 52px; }
  .fase { background: #fff; border: 0.5px solid var(--border); border-radius: 10px; padding: 30px 28px; transition: transform .3s var(--ease), border-color .3s; }
  .fase:hover { transform: translateY(-4px); border-color: rgba(218,119,86,0.35); }
  .fase-k { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--orange); font-weight: 500; margin-bottom: 20px; }
  .fase-n { font-size: clamp(44px, 6vw, 60px); font-weight: 800; letter-spacing: -0.04em; color: var(--gray-light); line-height: 1; margin-bottom: 16px; }
  .fase-t { font-size: 18px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 8px; }
  .fase-d { font-size: 14px; color: var(--gray-mid); line-height: 1.55; }

  /* ---------- PARA QUIÉN ---------- */
  #quien { background: var(--black); color: #fff; border-bottom-color: var(--border-dark); }
  .pq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 52px; }
  @media (max-width: 680px) { .pq-grid { grid-template-columns: 1fr; } }
  .pq-col { background: rgba(255,255,255,0.03); border: 0.5px solid var(--border-dark); border-radius: 12px; padding: 34px; }
  .pq-col.yes { border-color: rgba(218,119,86,0.3); }
  .pq-h { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; padding-bottom: 18px; border-bottom: 0.5px solid var(--border-dark); margin-bottom: 6px; }
  .pq-col.yes .pq-h { color: var(--orange); }
  .pq-col.no .pq-h { color: var(--gray-mid); }
  .pq-item { display: flex; gap: 14px; padding: 15px 0; align-items: flex-start; font-size: 15.5px; line-height: 1.5; }
  .pq-item i { font-style: normal; flex-shrink: 0; font-weight: 600; }
  .pq-col.yes .pq-item { color: rgba(255,255,255,0.85); }
  .pq-col.yes .pq-item i { color: var(--orange); }
  .pq-col.no .pq-item { color: rgba(255,255,255,0.4); }
  .pq-col.no .pq-item i { color: var(--gray-mid); }

  /* ---------- FAQ ---------- */
  #faq { background: var(--bone); }
  .faq-list { margin-top: 48px; max-width: 840px; border-top: 0.5px solid var(--border); }
  .faq-item { border-bottom: 0.5px solid var(--border); }
  .faq-q { width: 100%; text-align: left; background: none; border: none; cursor: pointer; padding: 26px 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-family: inherit; font-size: clamp(17px, 2.2vw, 21px); font-weight: 500; letter-spacing: -0.01em; color: var(--black); }
  .faq-q .mk { color: var(--orange); font-size: 26px; font-weight: 400; transition: transform .3s var(--ease); flex-shrink: 0; line-height: 1; }
  .faq-item.open .faq-q .mk { transform: rotate(45deg); }
  .faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
  .faq-a p { font-size: 16px; color: var(--gray-mid); line-height: 1.65; padding-bottom: 26px; max-width: 700px; }

  /* ---------- CONTENIDO (biblioteca / autoridad) ---------- */
  #contenido { background: var(--bone); }
  .ver-todo { display: inline-block; margin-top: 36px; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--orange); text-decoration: none; border-bottom: 1px solid rgba(218,119,86,0.35); padding-bottom: 3px; transition: border-color .2s; }
  .ver-todo:hover { border-color: var(--orange); }
  .estudio-card { display: block; text-decoration: none; background: var(--black-deep); border: 0.5px solid var(--border); border-radius: 16px; padding: clamp(32px, 5vw, 56px); margin-top: 52px; position: relative; overflow: hidden; transition: transform .3s var(--ease), border-color .3s; }
  .estudio-card:hover { transform: translateY(-4px); border-color: rgba(218,119,86,0.4); }
  .estudio-card::before { content: ''; position: absolute; top: -120px; right: -100px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(218,119,86,0.10) 0%, transparent 70%); pointer-events: none; }
  .estudio-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; position: relative; }
  .estudio-chip { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.55); border: 0.5px solid var(--border-dark); border-radius: 100px; padding: 6px 13px; }
  .estudio-chip.accent { color: var(--orange); border-color: rgba(218,119,86,0.3); }
  .estudio-title { font-size: clamp(26px, 4vw, 40px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.1; color: #fff; max-width: 640px; margin-bottom: 16px; position: relative; }
  .estudio-title span { color: var(--orange); }
  .estudio-desc { font-size: 15px; color: rgba(255,255,255,0.5); line-height: 1.65; max-width: 560px; margin-bottom: 28px; position: relative; }
  .estudio-link { font-size: 13px; font-weight: 500; letter-spacing: 0.04em; color: var(--orange); position: relative; }
  .estudios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-top: 52px; }
  .estudios-grid .estudio-card { margin-top: 0; padding: clamp(28px, 3.5vw, 40px); }
  .estudios-grid .estudio-title { font-size: clamp(23px, 2.6vw, 29px); }
  .estudios-grid .estudio-desc { font-size: 14px; }

  /* ---------- CTA ---------- */
  #cta { background: var(--black-deep); color: #fff; text-align: center; overflow: hidden; border-bottom: none; }
  .cta-bg { position: absolute; inset: 0; z-index: 0; background: url('/img/isla.jpg') center / cover no-repeat; }
  .cta-bg::after { content:''; position:absolute; inset:0; background: radial-gradient(ellipse at 30% 60%, rgba(10,10,10,0.35) 0%, rgba(10,10,10,0.82) 70%); }
  #cta .inner { position: relative; z-index: 1; }
  .cta-big { font-size: clamp(32px, 6vw, 62px); font-weight: 800; letter-spacing: -0.035em; line-height: 1.0; max-width: 900px; margin: 0 auto 28px; color: #fff; }
  .cta-big span { color: var(--orange); }
  .cta-sub { font-size: 16px; color: rgba(255,255,255,0.55); margin-bottom: 40px; }
  .cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

  /* ---------- FOOTER ---------- */
  footer { background: var(--black-deep); padding: clamp(56px, 8vw, 88px) clamp(20px, 5vw, 48px) 48px; border: none; }
  .foot-inner { max-width: 1040px; margin: 0 auto; }
  .foot-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; padding-bottom: 40px; border-bottom: 0.5px solid var(--border-dark); }
  .foot-logo { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
  .foot-logo span { color: var(--orange); }
  .foot-tag { font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-top: 8px; }
  .foot-links { display: flex; gap: 28px; flex-wrap: wrap; align-items: flex-start; }
  .foot-links a { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; }
  .foot-links a:hover { color: #fff; }
  .foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 32px; }
  .foot-note { font-size: 12px; color: rgba(255,255,255,0.28); }

  /* ---------- reveal ---------- */
  .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
  .reveal.in { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    .reveal, .hero-title .ln > span, .hero-title .dot { opacity: 1 !important; transform: none !important; transition: none !important; }
    .tesis-text .w { color: #fff; }
    .tesis-text .w.acc { color: var(--orange); }
    html { scroll-behavior: auto; }
    #loader { display: none; }
    .grain, #hero-canvas { display: none; }
    .circuit-step { opacity:1; transform:none; }
  }

  /* ---------- PAGE HERO (subpáginas) ---------- */
  .page-hero { background: var(--black-deep); color:#fff; padding: clamp(130px,17vw,190px) clamp(20px,5vw,48px) clamp(56px,7vw,80px); position:relative; overflow:hidden; border-bottom: 0.5px solid var(--border-dark); }
  .page-hero::before { content:''; position:absolute; top:-200px; right:-160px; width:560px; height:560px; border-radius:50%; background: radial-gradient(circle, rgba(218,119,86,0.11) 0%, transparent 68%); }
  .ph-inner { max-width:1040px; margin:0 auto; position:relative; }
  .ph-eyebrow { font-size:11px; font-weight:500; letter-spacing:0.22em; text-transform:uppercase; color:var(--orange); margin-bottom:22px; }
  .ph-title { font-size: clamp(40px,7vw,78px); font-weight:800; letter-spacing:-0.035em; line-height:0.98; margin-bottom:24px; }
  .ph-title span { color: var(--orange); }
  .ph-dek { font-size: clamp(17px,2.2vw,20px); font-weight:300; color: rgba(255,255,255,0.55); max-width:620px; line-height:1.6; }
  .crumb { font-size:12px; letter-spacing:0.06em; color: rgba(255,255,255,0.35); margin-bottom:20px; }
  .crumb a { color: rgba(255,255,255,0.5); text-decoration:none; }
  .crumb a:hover { color:#fff; }
  /* link "ver más" en la home */
  .ver-mas { display:inline-block; margin-top:34px; font-size:13px; font-weight:500; letter-spacing:0.04em; color:var(--orange); text-decoration:none; border-bottom:1px solid rgba(218,119,86,0.35); padding-bottom:3px; transition:border-color .2s; }
  .ver-mas:hover { border-color: var(--orange); }
  .dark .ver-mas, #carruseles .ver-mas { color: var(--orange); }