/* Hoja de estilos compartida del sitio Orbo/Alfredo Yendys.
   Extraída del <style> inline de index.html en la Fase 3 del plan de
   mejora del sitio (16-ago-2026), para poder reutilizarla en las páginas
   propias de producto (/orbo-crm, /orbo-chat) sin triplicar ~300 líneas
   de CSS por archivo, y para que el navegador la cachee entre páginas. */
:root{
    --bg:#FFFFFF;
    --bg-alt:#F8FAFC;
    --bg-alt-2:#F1F5F9;
    --ink:#0F172A;
    --muted:#64748B;
    --muted-2:#94A3B8;
    --accent:#0EA5B7;
    --accent-dark:#0B8A99;
    --amber:#F59E0B;
    --line:#E2E8F0;
    --line-strong:#CBD5E1;
    --header-bg:rgba(255,255,255,.86);
    --header-bg-scrolled:rgba(255,255,255,.97);
    --glow:rgba(14,165,183,.10);
    --shadow:rgba(15,23,42,.08);
    --maxw:1160px;
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  [data-theme="dark"]{
    --bg:#0F172A;
    --bg-alt:#111827;
    --bg-alt-2:#1E293B;
    --ink:#F1F5F9;
    --muted:#94A3B8;
    --muted-2:#64748B;
    --accent:#22D3EE;
    --accent-dark:#0891B2;
    --amber:#FBBF24;
    --line:#2A3446;
    --line-strong:#3E4A61;
    --header-bg:rgba(15,23,42,.82);
    --header-bg-scrolled:rgba(15,23,42,.95);
    --glow:rgba(34,211,238,.14);
    --shadow:rgba(0,0,0,.5);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
    transition:background .25s ease,color .25s ease;
  }
  h1,h2,h3,.display{letter-spacing:-.02em;line-height:1.1;font-weight:800}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  section{position:relative}

  /* ---------- eyebrow / labels ---------- */
  .eyebrow{
    font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
    color:var(--accent);display:inline-flex;align-items:center;gap:10px;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block;border-radius:2px}

  /* ---------- nav ---------- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    backdrop-filter:blur(14px);
    background:var(--header-bg);
    border-bottom:1px solid transparent;
    transition:border-color .3s,background .3s;
  }
  header.scrolled{border-bottom-color:var(--line);background:var(--header-bg-scrolled)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:70px}
  .logo{font-weight:800;font-size:1.08rem;letter-spacing:-.01em}
  .logo b{color:var(--accent)}
  .nav-links{display:flex;gap:30px;align-items:center}
  .nav-links a{font-size:.9rem;color:var(--muted);transition:color .2s;font-weight:600}
  .nav-links a:hover{color:var(--ink)}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:700;font-size:.9rem;
    padding:11px 20px;border-radius:8px;
    transition:transform .2s var(--ease),box-shadow .2s,background .2s;
    cursor:pointer;border:none;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 0 rgba(14,165,183,0)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(14,165,183,.45);background:var(--accent-dark)}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
  .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
  .hero .hero-cta .btn{background:transparent;color:var(--ink);border:1px solid var(--line)}
  .hero .hero-cta .btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(14,165,183,.45)}
  .menu-toggle{display:none;background:none;border:none;color:var(--ink);font-size:1.5rem;cursor:pointer}

  /* theme toggle */
  .theme-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:38px;height:38px;border-radius:50%;
    border:1px solid var(--line);background:var(--bg-alt);color:var(--ink);
    cursor:pointer;font-size:1rem;transition:border-color .2s,transform .2s;
  }
  .theme-toggle:hover{border-color:var(--accent);transform:translateY(-1px)}

  /* ---------- hero ---------- */
  .hero{padding:150px 0 90px;position:relative;overflow:hidden}
  .hero-grid{
    position:absolute;inset:0;z-index:0;opacity:.6;
    background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
    background-size:54px 54px;
    -webkit-mask-image:radial-gradient(ellipse 80% 60% at 70% 0%,#000 5%,transparent 70%);
    mask-image:radial-gradient(ellipse 80% 60% at 70% 0%,#000 5%,transparent 70%);
  }
  .hero-glow{
    position:absolute;top:-160px;right:-120px;width:560px;height:560px;z-index:0;
    background:radial-gradient(circle,var(--glow),transparent 60%);
    filter:blur(20px);pointer-events:none;
  }
  .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
  .hero h1{font-size:clamp(2.5rem,5.6vw,4.25rem);font-weight:800;margin:22px 0 24px}
  .hero h1 .line2{color:var(--muted)}
  .hero h1 em{font-style:normal;color:var(--accent);position:relative;white-space:nowrap}
  .hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:10px;background:var(--glow);z-index:-1}
  .hero p.lead{font-size:1.12rem;color:var(--muted);max-width:34em;margin-bottom:34px}
  .hero p.lead strong{color:var(--ink);font-weight:700}
  .hero-cta{display:flex;gap:14px;flex-wrap:wrap}

  /* hero photo */
  .hero-photo{
    border-radius:20px;overflow:hidden;border:1px solid var(--line);
    box-shadow:0 30px 60px -30px var(--shadow);aspect-ratio:4/4.6;
  }
  .hero-photo img{width:100%;height:100%;object-fit:cover;display:block}

  /* ---------- trust strip ---------- */
  .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-alt)}
  .strip-inner{display:flex;flex-wrap:wrap;gap:0;justify-content:space-between}
  .stat{flex:1;min-width:150px;padding:28px 20px;text-align:center;border-right:1px solid var(--line)}
  .stat:last-child{border-right:none}
  .stat b{font-size:2rem;font-weight:800;color:var(--ink);display:block;line-height:1}
  .stat b .u{color:var(--accent)}
  .stat span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:8px;display:block}

  /* ---------- section shell ---------- */
  .sec{padding:72px 0}
  .sec-head{max-width:620px;margin-bottom:56px}
  .sec-head h2{font-size:clamp(1.9rem,3.6vw,2.7rem);font-weight:800;margin:16px 0 14px}
  .sec-head p{color:var(--muted);font-size:1.05rem}

  /* ---------- story / about ---------- */
  .story{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .story-grid{display:grid;grid-template-columns:.85fr 1fr 1.15fr;gap:44px;align-items:center}
  .story-photo{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 50px -28px var(--shadow);aspect-ratio:4/4.6}
  .story-photo img{width:100%;height:100%;object-fit:cover;display:block}
  .story-quote{
    font-weight:700;font-size:clamp(1.5rem,2.6vw,2.05rem);
    line-height:1.3;letter-spacing:-.02em;
  }
  .story-quote em{color:var(--accent);font-style:normal}
  .story-body p{color:var(--muted);margin-bottom:18px}
  .story-body p strong{color:var(--ink);font-weight:700}
  .story-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .tag{font-size:.78rem;font-weight:600;padding:7px 13px;border:1px solid var(--line);border-radius:100px;color:var(--muted)}
  .tag.on{border-color:var(--accent);color:var(--accent)}

  /* ---------- services ---------- */
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .cards-2{grid-template-columns:repeat(2,1fr)}
  .cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  @media(max-width:920px){.cards-3{grid-template-columns:1fr}}
  .card{
    background:var(--bg-alt);border:1px solid var(--line);border-radius:14px;padding:30px;
    position:relative;transition:border-color .25s,transform .25s var(--ease),box-shadow .25s;overflow:hidden;
    display:flex;flex-direction:column;
  }
  .card .btn{align-self:flex-start}
  .card::after{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);transition:width .35s var(--ease)}
  .card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 40px -24px var(--shadow)}
  .card:hover::after{width:100%}
  .card .num{font-size:.8rem;font-weight:700;color:var(--amber);letter-spacing:.06em}
  .card h3{font-size:1.22rem;font-weight:700;margin:16px 0 10px}
  .card p{color:var(--muted);font-size:.94rem;margin-bottom:18px}
  .card ul{list-style:none;display:flex;flex-direction:column;gap:9px}
  .card li{font-size:.88rem;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
  .card li::before{content:"→";color:var(--accent);font-weight:700}

  /* ---------- niche banner ---------- */
  .niche{
    background:linear-gradient(135deg,rgba(14,165,183,.08),rgba(245,158,11,.06));
    border:1px solid var(--line);border-radius:20px;padding:52px 48px;
    display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;
  }
  .niche h3{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;margin-bottom:14px}
  .niche h3 em{font-style:normal;color:var(--amber)}
  .niche p{color:var(--muted);max-width:42em}
  .niche .btn-primary{white-space:nowrap}

  /* ---------- product ---------- */
  .product{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
  .product-visual{
    background:var(--bg-alt);border:1px solid var(--line);border-radius:18px;padding:34px;
    position:relative;background-image:radial-gradient(circle at 20% 10%,var(--glow),transparent 45%);
  }
  .price-tag{font-size:3.4rem;font-weight:800;line-height:1}
  .price-tag span{color:var(--accent)}
  .product-visual .was{color:var(--muted);font-size:.82rem;margin-top:8px;font-weight:600}
  .product h2{font-size:clamp(1.7rem,3.2vw,2.3rem);font-weight:800;margin:14px 0 16px}
  .product ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 28px}
  .product li{display:flex;gap:11px;color:var(--muted);font-size:.96rem}
  .product li::before{content:"✓";color:var(--accent);font-weight:800}
  .guarantee{font-size:.84rem;color:var(--muted);margin-top:14px;font-weight:600}

  /* ---------- pricing calculator ---------- */
  .calc-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:16px;padding:36px;max-width:620px;margin:0 auto;box-shadow:0 20px 50px -30px var(--shadow)}
  .precios-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch}
  .precios-layout .calc-card{max-width:none;margin:0}
  .precios-shots{display:flex;flex-direction:column;gap:20px}
  .shot-frame{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);background:var(--bg-alt);flex:1 1 0;min-height:0;box-shadow:0 20px 50px -30px var(--shadow)}
  .shot-frame img,.shot-frame video{width:100%;height:100%;object-fit:cover;display:block}
  .shot-frame video{object-position:center 15%}
  .shot-frame.shot-empty{display:flex;align-items:center;justify-content:center}
  .shot-frame.shot-empty img,.shot-frame.shot-empty video{display:none}
  .shot-frame.shot-empty::before{content:"Video pendiente";color:var(--muted);font-size:.85rem;font-weight:600}
  .shot-label{position:absolute;bottom:12px;left:12px;background:var(--bg);border:1px solid var(--line);padding:5px 12px;border-radius:100px;font-size:.76rem;font-weight:700;color:var(--ink)}
  .calc-tabs{display:flex;gap:8px;margin-bottom:28px}
  .calc-tab{flex:1;padding:11px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--muted);font-weight:700;font-size:.88rem;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
  .calc-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
  .calc-cycle{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
  .cycle-btn{padding:10px 4px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--muted);font-weight:700;font-size:.76rem;cursor:pointer;text-align:center;transition:background .2s,color .2s,border-color .2s}
  .cycle-btn span{display:block;font-size:.66rem;font-weight:700;color:var(--accent-dark);margin-top:2px}
  .cycle-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
  .cycle-btn.active span{color:#fff}
  .calc-field{margin-bottom:24px}
  .calc-field>label{display:block;font-weight:700;font-size:.9rem;margin-bottom:12px}
  .calc-slider-row{display:flex;align-items:center;gap:16px}
  .calc-slider-row input[type=range]{flex:1;accent-color:var(--accent)}
  .calc-badge{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 14px;font-weight:700;min-width:36px;text-align:center;font-size:.9rem}
  .calc-check{display:flex;gap:12px;align-items:flex-start;padding:14px;background:var(--bg);border:1px solid var(--line);border-radius:10px;margin-bottom:10px;cursor:pointer;transition:border-color .2s}
  .calc-check:hover{border-color:var(--accent)}
  .calc-check input{margin-top:3px;accent-color:var(--accent);width:16px;height:16px}
  .calc-check .t strong{display:block;font-size:.9rem;font-weight:700}
  .calc-check .t span{font-size:.78rem;color:var(--muted)}
  .calc-result{margin-top:28px;border-top:1px dashed var(--line);padding-top:26px}
  .calc-result-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
  .calc-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:.92rem}
  .calc-row:last-of-type{border-bottom:none}
  .calc-row .lab{color:var(--muted)}
  .calc-tag{font-size:.68rem;font-weight:700;background:var(--glow);color:var(--accent-dark);padding:4px 10px;border-radius:100px;margin-left:8px}
  .calc-val{font-weight:700}
  .calc-total{margin-top:18px;background:var(--bg);border:1px solid var(--accent);border-radius:12px;padding:20px 22px;display:flex;justify-content:space-between;align-items:center}
  .calc-total .tl{font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
  .calc-total .tv{font-size:1.8rem;font-weight:800;color:var(--accent-dark)}
  .calc-note{font-size:.78rem;color:var(--muted);text-align:center;margin-top:16px;line-height:1.6}
  @media(max-width:920px){.calc-card{padding:26px}}

  /* ---------- contact ---------- */
  .contact{background:var(--bg-alt);border-top:1px solid var(--line)}
  .contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:60px}
  .channels{display:flex;flex-direction:column;gap:16px;margin-top:30px}
  .channel{display:flex;gap:16px;align-items:center;padding:18px;background:var(--bg);border:1px solid var(--line);border-radius:12px;transition:border-color .2s,transform .2s}
  .channel:hover{border-color:var(--accent);transform:translateX(4px)}
  .channel .ic{width:42px;height:42px;border-radius:10px;background:var(--glow);display:grid;place-items:center;font-size:1.2rem;flex-shrink:0}
  .channel b{display:block;font-size:.96rem}
  .channel span{font-size:.8rem;color:var(--muted)}
  form{display:flex;flex-direction:column;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:32px}
  .field{display:flex;flex-direction:column;gap:7px}
  .field label{font-size:.8rem;color:var(--muted);font-weight:600}
  .field input,.field select,.field textarea{
    background:var(--bg-alt);border:1px solid var(--line);border-radius:9px;
    padding:12px 14px;color:var(--ink);font-family:inherit;font-size:.94rem;transition:border-color .2s;
  }
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
  .field textarea{resize:vertical;min-height:96px}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  form .btn-primary{justify-content:center;padding:14px;font-size:1rem;margin-top:4px}
  .form-note{font-size:.78rem;color:var(--muted);text-align:center}

  /* ---------- footer ---------- */
  footer{padding:56px 0 34px;border-top:1px solid var(--line)}
  .foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:40px}
  .foot-grid p{color:var(--muted);font-size:.9rem;max-width:30em;margin-top:14px}
  .foot-col h5{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:16px}
  .foot-col a{display:block;color:var(--muted);font-size:.9rem;margin-bottom:10px;transition:color .2s}
  .foot-col a:hover{color:var(--ink)}
  .foot-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.84rem}

  /* floating whatsapp */
  .fab{position:fixed;bottom:24px;right:24px;z-index:90;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:1.5rem;box-shadow:0 12px 30px -8px rgba(14,165,183,.5);transition:transform .2s}
  .fab:hover{transform:scale(1.08)}

  /* reveal on scroll */
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- responsive ---------- */
  @media(max-width:920px){
    .hero-inner,.story-grid,.product,.contact-grid,.cards,.foot-grid,.precios-layout{grid-template-columns:1fr}
    .cards{gap:16px}
    .niche{grid-template-columns:1fr;text-align:left}
    .hero{padding:120px 0 60px}
    .diag{max-width:440px}
    .nav-links{display:none}
    .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--bg);padding:20px 24px;gap:18px;border-bottom:1px solid var(--line)}
    .menu-toggle{display:block}
    .foot-grid{gap:28px}
    .row2{grid-template-columns:1fr}
    .shot-frame{flex:none;aspect-ratio:16/11;min-height:auto}
    .precios-shots{margin-top:24px}
  }
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto}}