:root{
    --bg:#0A0A0A;
    --surface:#131313;
    --line:#242424;
    --line-2:#2e2e2e;
    --text:#F4F3EF;
    --text-dim:#9A9A95;
    --text-faint:#5C5C58;
    --nav-h:76px;
    --qnav-h:53px;
    --font-display:'Space Grotesk',system-ui,sans-serif;
    --font-body:'IBM Plex Sans',system-ui,sans-serif;
    --font-mono:'JetBrains Mono','SFMono-Regular',Consolas,monospace;
    --ease:cubic-bezier(.4,0,.2,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  ul{list-style:none;margin:0;padding:0;}
  a{color:inherit;text-decoration:none;}
  svg{display:block;flex-shrink:0;}
  h1,h2,h3,h4,p{margin:0;}
  button{font:inherit;color:inherit;background:none;border:none;}

  @media (prefers-reduced-motion:no-preference){
    html{scroll-behavior:smooth;}
  }
  a:focus-visible, button:focus-visible{
    outline:2px solid var(--text);
    outline-offset:3px;
    border-radius:4px;
  }

  .container{ max-width:1180px; margin:0 auto; padding:0 24px; }

  .eyebrow{
    font-family:var(--font-mono);
    font-size:.82rem;
    color:var(--text-faint);
    letter-spacing:.02em;
    margin-bottom:16px;
    display:flex;
    align-items:center;
  }
  .cursor{
    display:inline-block; width:7px; height:1em;
    background:var(--text-faint); margin-left:5px;
    animation:blink 1.1s step-end infinite; vertical-align:text-bottom;
  }
  @keyframes blink{0%,49%{opacity:1;}50%,100%{opacity:0;}}
  @media (prefers-reduced-motion:reduce){ .cursor{animation:none;opacity:.6;} }

  .section-title{
    font-family:var(--font-display); font-weight:600;
    font-size:clamp(2rem,3.4vw,2.9rem); line-height:1.1;
    letter-spacing:-.01em; max-width:18ch;
  }
  .section-sub{ font-size:1rem; color:var(--text-dim); margin-top:14px; max-width:50ch; }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex; align-items:center; gap:9px;
    font-family:var(--font-body); font-weight:500; font-size:.95rem;
    padding:13px 24px; border-radius:999px; white-space:nowrap;
    transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease);
  }
  .btn--primary{ background:var(--text); color:var(--bg); }
  .btn--primary:hover{ transform:translateY(-2px); }
  .btn--primary svg{ width:16px;height:16px; }
  .btn--ghost{ background:transparent; color:var(--text); border:1px solid var(--line-2); }
  .btn--ghost:hover{ border-color:var(--text); }
  .btn--ghost svg{ width:14px;height:14px; }
  .btn--nav{ padding:9px 18px; font-size:.86rem; }
  .btn--nav svg{ width:14px;height:14px; }

  /* ---------- nav ---------- */
  .nav{
    position:sticky; top:0; z-index:50; height:var(--nav-h);
    display:flex; align-items:center;
    background:rgba(10,10,10,.7);
    backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:border-color .3s var(--ease),background-color .3s var(--ease);
  }
  .nav.is-scrolled{ background:rgba(10,10,10,.92); border-bottom-color:var(--line); }
  .nav__inner{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
  .nav__brand{ display:flex; align-items:center; gap:10px; }
  .nav__logo{ height:26px;width:auto; }
  .nav__word{ font-family:var(--font-mono); font-size:.92rem; letter-spacing:.01em; }
  .nav__links{ display:flex; align-items:center; gap:28px; font-family:var(--font-mono); font-size:.86rem; color:var(--text-dim); }
  .nav__links a{ transition:color .2s var(--ease); }
  .nav__links a:hover{ color:var(--text); }
  @media (max-width:720px){ .nav__links{ display:none; } }

  /* ---------- hero ---------- */
  .hero{ padding:clamp(88px,16vw,152px) 0 clamp(56px,9vw,88px); }
  .hero__title{
    font-family:var(--font-display); font-weight:700;
    font-size:clamp(2.65rem,5.8vw,4.9rem); line-height:1.03; letter-spacing:-.02em; max-width:14ch;
  }
  .hero__sub{ font-size:clamp(1rem,1.4vw,1.15rem); color:var(--text-dim); max-width:52ch; margin-top:22px; }
  .hero__cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
  .hero__stats{
    display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin-top:48px;
    font-family:var(--font-mono); font-size:.82rem; color:var(--text-faint);
  }
  .hero__stats .dot{ opacity:.5; }

  .reveal-load{ opacity:0; transform:translateY(16px); animation:fadeUp .7s var(--ease) forwards; }
  .d1{animation-delay:.05s;} .d2{animation-delay:.15s;} .d3{animation-delay:.28s;}
  .d4{animation-delay:.4s;} .d5{animation-delay:.5s;}
  @keyframes fadeUp{ to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion:reduce){ .reveal-load{ animation:none; opacity:1; transform:none; } }

  /* ---------- services intro ---------- */
  .services-head{ padding:clamp(48px,7vw,80px) 0 40px; border-top:1px solid var(--line); }

  /* ---------- quick nav ---------- */
  .quicknav{
    position:sticky; top:var(--nav-h); z-index:40; height:var(--qnav-h);
    display:flex; align-items:center;
    background:rgba(10,10,10,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
  }
  .quicknav__inner{ display:flex; gap:8px; overflow-x:auto; scrollbar-width:none; }
  .quicknav__inner::-webkit-scrollbar{ display:none; }
  .quicknav__pill{
    font-family:var(--font-mono); font-size:.8rem; padding:7px 14px;
    border-radius:999px; border:1px solid var(--line-2); color:var(--text-dim);
    white-space:nowrap; flex-shrink:0;
    transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  }
  .quicknav__pill:hover{ border-color:var(--text); color:var(--text); }
  .quicknav__pill.is-active{ background:var(--text); color:var(--bg); border-color:var(--text); }

  /* ---------- notice banner ---------- */
  .notice-wrap{ padding-top:40px; }
  .notice{
    display:flex; gap:12px; align-items:flex-start;
    border:1px solid var(--line-2); border-radius:14px; padding:16px 20px;
    color:var(--text-dim); font-size:.88rem; line-height:1.55;
  }
  .notice svg{ width:18px;height:18px;flex-shrink:0;margin-top:2px;color:var(--text-faint); }
  .notice strong{ color:var(--text); font-weight:600; }

  /* ---------- category sections ---------- */
  .cat{ padding:64px 0; border-top:1px solid var(--line); scroll-margin-top:calc(var(--nav-h) + var(--qnav-h) + 24px); }
  .cat__head{ display:flex; justify-content:space-between; align-items:flex-end; flex-wrap:wrap; gap:20px; margin-bottom:32px; }
  .cat__head-left{ display:flex; align-items:flex-start; gap:16px; }
  .cat__icon{
    width:42px; height:42px; padding:9px;
    border:1px solid var(--line-2); border-radius:12px; color:var(--text);
    flex-shrink:0;
  }
  .cat__slug{ font-family:var(--font-mono); font-size:.78rem; color:var(--text-faint); display:block; margin-bottom:4px; }
  .cat__title{ font-family:var(--font-display); font-weight:600; font-size:1.6rem; }
  .cat__desc{ color:var(--text-dim); font-size:.92rem; margin-top:5px; max-width:48ch; }
  .cat__price{ text-align:right; flex-shrink:0; }
  .cat__price-label{ font-family:var(--font-mono); font-size:.76rem; color:var(--text-faint); display:block; }
  .cat__price-value{ font-family:var(--font-display); font-weight:700; font-size:1.55rem; }
  @media (max-width:560px){
    .cat__price{ text-align:left; }
  }

  /* plan grid + plan card (tiered categories) */
  .plans{ display:grid; grid-template-columns:repeat(auto-fit,minmax(235px,1fr)); gap:18px; }
  .plan{
    display:flex; flex-direction:column;
    background:var(--surface); border:1px solid var(--line); border-radius:18px;
    padding:26px 24px; color:var(--text);
    transition:background-color .4s var(--ease),color .4s var(--ease),border-color .4s var(--ease);
  }
  .plan:hover{ background:var(--text); color:var(--bg); border-color:var(--text); }
  .plan__tag{
    font-family:var(--font-mono); font-size:.74rem; border:1px solid currentColor; opacity:.75;
    padding:4px 10px; border-radius:999px; align-self:flex-start;
    transition:background-color .4s var(--ease),color .4s var(--ease),opacity .4s var(--ease);
  }
  .plan:hover .plan__tag{ background:var(--bg); color:var(--text); border-color:var(--bg); opacity:1; }
  .plan__name{ font-family:var(--font-display); font-weight:600; font-size:1.1rem; margin-top:16px; }
  .plan__price{ display:flex; align-items:baseline; gap:6px; margin-top:10px; }
  .plan__price-label{ font-family:var(--font-mono); font-size:.78rem; opacity:.6; }
  .plan__price-value{ font-family:var(--font-display); font-weight:700; font-size:1.55rem; }
  .plan__price-value--custom{ font-size:1.05rem; }
  .plan__blurb{ font-size:.88rem; opacity:.65; margin-top:10px; line-height:1.5; }
  .plan__features{ margin-top:18px; padding-top:16px; border-top:1px solid var(--line-2); flex-grow:1; }
  .plan:hover .plan__features{ border-top-color:currentColor; }
  .plan__features li{ display:flex; align-items:baseline; gap:9px; font-size:.87rem; padding:5px 0; }
  .plan__features .dash{ width:8px; height:1px; background:currentColor; opacity:.5; flex-shrink:0; transform:translateY(-3px); }
  .plan__cta{
    display:flex; align-items:center; gap:8px; margin-top:18px; padding-top:14px;
    font-family:var(--font-body); font-weight:500; font-size:.89rem;
  }
  .cta-icon{ width:14px;height:14px; opacity:.85; flex-shrink:0; }
  .arrow-icon{ width:13px;height:13px; opacity:0; transform:translateX(-5px); margin-left:auto; transition:opacity .25s var(--ease),transform .25s var(--ease); flex-shrink:0; }
  .plan:hover .arrow-icon, .flat:hover .arrow-icon{ opacity:1; transform:none; }
  .plans .plan:nth-child(3n+1){ transition-delay:0ms; }
  .plans .plan:nth-child(3n+2){ transition-delay:70ms; }
  .plans .plan:nth-child(3n+3){ transition-delay:140ms; }

  /* flat card (single-price categories) — horizontal split, not a stretched column card */
  .flat{
    display:flex; flex-wrap:wrap;
    background:var(--surface); border:1px solid var(--line); border-radius:18px;
    color:var(--text); overflow:hidden;
    transition:background-color .4s var(--ease),color .4s var(--ease),border-color .4s var(--ease);
  }
  .flat:hover{ background:var(--text); color:var(--bg); border-color:var(--text); }
  .flat__price-block{
    display:flex; flex-direction:column; align-items:flex-start; justify-content:center; gap:16px;
    padding:28px 30px; min-width:190px;
    border-right:1px solid var(--line-2);
  }
  .flat:hover .flat__price-block{ border-right-color:currentColor; }
  .flat__body{ flex:1; min-width:260px; padding:28px 30px; display:flex; align-items:center; }
  .flat__chips{ display:flex; flex-wrap:wrap; gap:8px; }
  .flat__chip{ font-family:var(--font-mono); font-size:.78rem; border:1px solid currentColor; opacity:.65; padding:5px 12px; border-radius:999px; }
  .flat__cta{ display:flex; align-items:center; gap:8px; font-weight:500; font-size:.9rem; }
  .flat__cta .arrow-icon{ margin-left:0; }
  @media (max-width:600px){
    .flat__price-block{ border-right:none; border-bottom:1px solid var(--line-2); width:100%; }
    .flat:hover .flat__price-block{ border-bottom-color:currentColor; border-right-color:transparent; }
  }

  /* ---------- cta ---------- */
  .cta{ padding:clamp(72px,10vw,128px) 0; border-top:1px solid var(--line); text-align:center; }
  .cta__inner{ display:flex; flex-direction:column; align-items:center; }
  .cta .eyebrow{ justify-content:center; }
  .cta .section-title{ max-width:22ch; }
  .cta .section-sub{ margin-left:auto; margin-right:auto; }
  .cta__ask{ display:flex; flex-direction:column; align-items:center; gap:12px; margin-top:36px; }
  .cta__ask-label{ font-family:var(--font-mono); font-size:.82rem; color:var(--text-faint); }

  /* ---------- footer ---------- */
  .footer{ border-top:1px solid var(--line); padding:44px 0 32px; }
  .footer__inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; padding-bottom:28px; }
  .footer__brand{ display:flex; align-items:center; gap:12px; }
  .footer__logo{ height:24px;width:auto;opacity:.9; }
  .footer__name{ font-family:var(--font-mono); font-size:.9rem; }
  .footer__tag{ font-size:.82rem; color:var(--text-faint); margin-top:2px; }
  .footer__links a{
    font-family:var(--font-mono); font-size:.86rem; color:var(--text-dim);
    display:inline-flex; align-items:center; gap:6px; transition:color .2s var(--ease);
  }
  .footer__links a:hover{ color:var(--text); }
  .footer__links svg{ width:14px;height:14px; }
  .footer__bottom{ border-top:1px solid var(--line); padding-top:22px; font-size:.78rem; color:var(--text-faint); }

  /* ---------- scroll reveal ---------- */
  .reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease),transform .6s var(--ease); }
  .reveal.is-visible{ opacity:1; transform:none; }
  @media (prefers-reduced-motion:reduce){ .reveal{ transition:none;opacity:1;transform:none; } }

  /* ---------- nav: enlace de página activa ---------- */
  .nav__links a.is-current{ color:var(--text); }

  /* ---------- page header (portafolio / proyectos) ---------- */
  .page-header{ padding:clamp(88px,16vw,140px) 0 clamp(40px,6vw,60px); }
  .page-header__title{
    font-family:var(--font-display); font-weight:700;
    font-size:clamp(2.4rem,5vw,3.6rem); line-height:1.05; letter-spacing:-.02em; max-width:16ch;
  }
  .page-header__sub{ font-size:1.05rem; color:var(--text-dim); max-width:56ch; margin-top:18px; }

  /* ---------- work section (grid de portafolio / proyectos) ---------- */
  .work-section{ padding:8px 0 clamp(64px,9vw,100px); border-top:1px solid var(--line); }
  .work-grid{
    display:grid; grid-template-columns:repeat(auto-fit,minmax(270px,1fr)); gap:20px;
    opacity:0; animation:fadeUp .6s var(--ease) .05s forwards;
  }
  @media (prefers-reduced-motion:reduce){ .work-grid{ animation:none; opacity:1; } }

  .work-card{
    display:flex; flex-direction:column; text-align:left;
    background:var(--surface); border:1px solid var(--line); border-radius:18px;
    overflow:hidden; cursor:pointer;
    transition:border-color .3s var(--ease), transform .3s var(--ease);
  }
  .work-card:hover{ border-color:var(--text); transform:translateY(-3px); }

  .work-card__image-wrap{
    aspect-ratio:16/10; background:var(--bg); border-bottom:1px solid var(--line);
  }
  .work-card__image-wrap img{ width:100%; height:100%; object-fit:cover; display:block; }
  .work-card__image-wrap.no-image{
    display:flex; align-items:center; justify-content:center; color:var(--text-faint);
  }
  .work-card__image-wrap.no-image svg{ width:30px; height:30px; }

  .work-card__body{ padding:20px 22px 22px; display:flex; flex-direction:column; flex:1; }
  .work-card__meta{ font-family:var(--font-mono); font-size:.76rem; color:var(--text-faint); }
  .work-card__title{ font-family:var(--font-display); font-weight:600; font-size:1.12rem; margin-top:6px; }
  .work-card__desc{
    font-size:.87rem; color:var(--text-dim); margin-top:10px; line-height:1.5;
    display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
  }
  .work-card__tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:14px; }
  .work-card__tag{
    font-family:var(--font-mono); font-size:.72rem; border:1px solid var(--line-2);
    color:var(--text-dim); padding:3px 9px; border-radius:999px;
  }
  .work-card__foot{
    margin-top:auto; padding-top:16px; display:flex; align-items:center; gap:7px;
    font-size:.85rem; color:var(--text-dim);
  }
  .work-card__foot svg{
    width:12px; height:12px; opacity:0; transform:translateX(-4px);
    transition:opacity .2s var(--ease), transform .2s var(--ease);
  }
  .work-card:hover .work-card__foot svg{ opacity:.8; transform:none; }

  /* ---------- empty state ---------- */
  .empty-state{
    text-align:center; padding:72px 20px; color:var(--text-dim);
    border:1px dashed var(--line-2); border-radius:18px;
  }
  .empty-state svg{ width:32px; height:32px; margin:0 auto 16px; opacity:.4; display:block; }
  .empty-state p{ font-size:.95rem; }

  /* ---------- modal / lightbox ---------- */
  .modal-overlay{
    position:fixed; inset:0; z-index:100;
    background:rgba(6,6,6,.86);
    display:flex; align-items:center; justify-content:center; padding:24px;
    opacity:0; visibility:hidden;
    transition:opacity .3s var(--ease), visibility 0s linear .3s;
  }
  .modal-overlay.is-open{ opacity:1; visibility:visible; transition:opacity .3s var(--ease); }
  .modal{
    position:relative;
    background:var(--surface); border:1px solid var(--line); border-radius:20px;
    max-width:600px; width:100%; max-height:88vh; overflow-y:auto;
    transform:translateY(16px) scale(.98);
    transition:transform .3s var(--ease);
  }
  .modal-overlay.is-open .modal{ transform:none; }
  .modal__close{
    position:absolute; top:14px; right:14px; z-index:2;
    width:34px; height:34px; border-radius:999px;
    background:rgba(10,10,10,.55); backdrop-filter:blur(4px);
    border:1px solid rgba(255,255,255,.18); color:#fff;
    display:flex; align-items:center; justify-content:center;
    transition:background-color .2s var(--ease);
  }
  .modal__close:hover{ background:rgba(10,10,10,.8); }
  .modal__close svg{ width:15px; height:15px; }
  .modal__gallery{
    display:flex; overflow-x:auto; scroll-snap-type:x mandatory;
    background:var(--bg); border-radius:20px 20px 0 0;
  }
  .modal__gallery img{
    width:100%; flex:0 0 100%; scroll-snap-align:start;
    aspect-ratio:16/10; object-fit:cover;
  }
  .modal__gallery.no-image{
    aspect-ratio:16/8; display:flex; align-items:center; justify-content:center;
    color:var(--text-faint);
  }
  .modal__gallery.no-image svg{ width:38px; height:38px; }
  .modal__body{ padding:22px 26px 28px; }
  .modal__meta{ font-family:var(--font-mono); font-size:.78rem; color:var(--text-faint); }
  .modal__title{ font-family:var(--font-display); font-weight:600; font-size:1.5rem; margin-top:6px; }
  .modal__desc{ font-size:.94rem; color:var(--text-dim); margin-top:14px; line-height:1.6; white-space:pre-line; }
  .modal__tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:16px; }
  .modal__link{ margin-top:22px; }
  body.modal-open{ overflow:hidden; }