/* VCZ Systems — vcz-systems.com
   Tokens: papel #FAFAF8 · tinta #1A1D21 · ámbar #F5A623 (único acento)
   Tipos: Space Grotesk (display) · Inter (texto) · mono del sistema (etiquetas técnicas) */

@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/inter-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}

:root{
  --paper:#FAFAF8;
  --mist:#F1EFE8;
  --ink:#1A1D21;
  --ink-2:#4A5058;
  --line:#E3E1DA;
  --line-dark:#2B3138;
  --paper-dark:#B9BEC4;
  --amber:#F5A623;
  --amber-deep:#7A5200;
  --display:"Space Grotesk",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --w:1120px;
  --pad:24px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}

h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-0.015em;margin:0 0 .5em}
h1{font-size:clamp(2.4rem,6vw,4.2rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.25rem;line-height:1.3}
p{margin:0 0 1.1em;max-width:62ch}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-color:var(--amber)}
strong{font-weight:600}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}
img,svg{max-width:100%;height:auto;display:block}
::selection{background:var(--amber);color:var(--ink)}

.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}

/* ---------- etiquetas técnicas (mono) ---------- */
.tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.dark .tag{color:var(--paper-dark)}
.tag--amber{color:var(--amber-deep)}
.dark .tag--amber{color:var(--amber)}

/* ---------- Messband: divisor firma ---------- */
.band{display:flex;align-items:center;gap:14px;padding:0;margin:0}
.band__rule{flex:1;height:10px;background:
  linear-gradient(to right,currentColor 1px,transparent 1px) 0 0/56px 100% repeat-x,
  linear-gradient(to right,currentColor 1px,transparent 1px) 14px 4px/14px 6px repeat-x,
  linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;
  color:var(--line);opacity:.9}
.dark .band__rule{color:var(--line-dark)}
.band__label{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);white-space:nowrap}
.dark .band__label{color:var(--paper-dark)}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:-.01em;text-decoration:none;display:flex;align-items:baseline;gap:.45em}
.logo b{position:relative}
.logo b::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;background:var(--amber)}
.logo span{font-family:var(--mono);font-weight:400;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2)}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-size:.92rem;text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--amber)}
.nav a[aria-current="page"]{border-bottom-color:var(--ink);font-weight:600}
.lang{display:flex;gap:2px;font-family:var(--mono);font-size:.72rem}
.lang a{text-decoration:none;padding:4px 7px;border:1px solid transparent;border-radius:3px;color:var(--ink-2)}
.lang a[aria-current="true"]{border-color:var(--line);color:var(--ink);background:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;padding:8px 10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;cursor:pointer;color:var(--ink)}

@media (max-width:840px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:64px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:8px var(--pad) 16px;display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav a[aria-current="page"]{border-bottom-color:var(--line)}
}

/* ---------- secciones ---------- */
.sec{padding:104px 0}
.sec--tight{padding:72px 0}
.sec--mist{background:var(--mist)}
.dark{background:var(--ink);color:var(--paper)}
.dark p{color:#D8DBDF}
.dark a:hover{text-decoration-color:var(--amber)}
.kicker{margin-bottom:18px}
.lede{font-size:1.15rem;color:var(--ink-2)}
.dark .lede{color:var(--paper-dark)}

/* ---------- hero ---------- */
.hero{padding:96px 0 64px;position:relative;overflow:hidden}
.hero h1{max-width:17ch}
.hero .lede{max-width:52ch;margin-top:18px}
.hero-grid{position:relative;z-index:1}
.hero-bg{position:absolute;right:-40px;top:20px;width:min(46vw,520px);opacity:.5;pointer-events:none;color:var(--line)}
@media (max-width:840px){.hero-bg{display:none}.hero{padding:64px 0 48px}}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px;align-items:center}
.btn{display:inline-block;font-family:var(--display);font-weight:500;font-size:1rem;text-decoration:none;padding:14px 26px;border-radius:5px;border:1px solid var(--ink);transition:transform .15s ease}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{transform:translateY(-1px)}
.btn--ghost:hover{background:#fff}
.dark .btn--solid{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.dark .btn--ghost{border-color:var(--line-dark);color:var(--paper)}

/* traza de señal */
.trace{margin-top:64px;color:var(--ink)}
.trace svg{width:100%;height:56px}
.trace path{fill:none;stroke:var(--amber);stroke-width:2}
.trace .grid-line{stroke:var(--line);stroke-width:1}
@media (prefers-reduced-motion:no-preference){
  .trace path.animate{stroke-dasharray:1600;stroke-dashoffset:1600;animation:draw 2.4s .3s ease-out forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  .fade-up{opacity:0;transform:translateY(14px);animation:fadeup .7s ease-out forwards}
  .fade-up.d1{animation-delay:.08s}.fade-up.d2{animation-delay:.18s}.fade-up.d3{animation-delay:.3s}
  @keyframes fadeup{to{opacity:1;transform:none}}
}

/* ---------- preguntas (banda oscura) ---------- */
.fragen{display:grid;gap:44px;margin-top:48px}
.frage{border-left:2px solid var(--line-dark);padding-left:22px}
.frage .tag{display:block;margin-bottom:10px}
.frage h3{font-size:clamp(1.3rem,2.6vw,1.8rem);font-weight:500;letter-spacing:-.01em;max-width:26ch}
@media (min-width:841px){.fragen{grid-template-columns:1fr 1fr 1fr;gap:36px}}

/* ---------- lista editorial (sin cards) ---------- */
.list{margin-top:40px;border-top:1px solid var(--line)}
.dark .list{border-top-color:var(--line-dark)}
.row{display:grid;grid-template-columns:1fr;gap:8px 40px;padding:26px 0;border-bottom:1px solid var(--line)}
.dark .row{border-bottom-color:var(--line-dark)}
@media (min-width:720px){.row{grid-template-columns:210px 1fr;align-items:start}}
.row__label{display:block;padding-top:4px}
.row__body h3{margin:0 0 6px}
.row__body p{font-size:.98rem;color:var(--ink-2);margin:0;max-width:62ch}
.dark .row__body p{color:var(--paper-dark)}
.row--icon>svg{flex:0 0 34px;width:34px;height:34px;color:var(--amber-deep)}
.dark .row--icon>svg{color:var(--amber)}
.sec--mist .row{border-bottom-color:#E1DED4}
.sec--mist .list{border-top-color:#E1DED4}

/* ---------- proyectos (home, banda oscura) ---------- */
.projects{margin-top:40px;border-top:1px solid var(--line-dark)}
.project{display:grid;grid-template-columns:1fr;gap:14px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line-dark);text-decoration:none;color:inherit}
@media (min-width:760px){.project{grid-template-columns:190px 1fr auto;gap:40px}}
.project__logo{display:inline-flex;align-items:center;height:44px;padding:8px 14px;background:#fff;border-radius:5px;align-self:start;width:max-content}
.project__logo img{height:24px;width:auto;max-width:150px;object-fit:contain}
.project__text h3{margin:0 0 4px}
.project__text p{margin:0;font-size:.95rem;color:var(--paper-dark)}
.project__link{white-space:nowrap;align-self:center;transition:color .15s ease}
.project:hover .project__link{color:var(--amber)}
.project:hover .project__text h3{text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:3px}

/* ---------- casos (página proyectos) ---------- */
.case{padding:48px 0 8px;border-top:1px solid var(--line)}
.case:first-of-type{border-top:0;padding-top:8px}
.case-head{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.case h2{font-size:1.55rem;max-width:24ch}
.case-logo{display:inline-flex;align-items:center;height:32px;padding:6px 12px;background:#fff;border:1px solid var(--line);border-radius:5px}
.case-logo img{height:20px;width:auto;object-fit:contain}
.case-dl{margin:24px 0 0}
.case-dl__row{display:grid;grid-template-columns:1fr;gap:4px 40px;padding:18px 0;border-top:1px solid var(--line)}
@media (min-width:720px){.case-dl__row{grid-template-columns:210px 1fr;align-items:start}}
.case-dl dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber-deep);padding-top:3px}
.case-dl dd{margin:0;max-width:66ch;color:var(--ink-2)}
.case-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:28px}
@media (min-width:700px){.case-gallery{grid-template-columns:repeat(3,1fr)}}
.shot{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:5px;border:1px solid var(--line);background:#fff}
.shot--todo{display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);background:repeating-linear-gradient(45deg,#fff,#fff 10px,#FAFAF8 10px,#FAFAF8 20px)}
.shot--todo span{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#AEB4BB}

/* ---------- herencia / credibilidad (sin caja) ---------- */
.cred{display:grid;gap:28px 48px;margin-top:40px}
@media (min-width:841px){.cred{grid-template-columns:1fr 1fr}}
.cred__block p{font-size:1rem;margin:0;color:var(--ink-2)}
.cred__block h3{margin-bottom:8px}

/* ---------- pasos ---------- */
.steps{display:grid;gap:28px;margin-top:44px;counter-reset:step}
@media (min-width:700px){.steps{grid-template-columns:1fr 1fr 1fr}}
.step{border-top:2px solid var(--ink);padding-top:18px}
.step .tag{display:block;margin-bottom:10px}
.step p{font-size:.95rem;color:var(--ink-2);margin:0}
.step h3{margin-bottom:6px}

/* ---------- listas técnicas ---------- */
.speclist{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.speclist li{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;border:1px solid var(--line);border-radius:3px;padding:6px 10px;background:#fff}
.dark .speclist li{border-color:var(--line-dark);background:transparent;color:var(--paper-dark)}

/* ---------- sobre nosotros ---------- */
.bio{max-width:66ch}
.bio p{max-width:none}
.principles{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--line)}
.principles li{position:relative;border-bottom:1px solid var(--line);padding:22px 0 22px 40px;max-width:60ch;font-family:var(--display);font-weight:500;font-size:1.15rem;line-height:1.4}
.principles li::before{content:"";position:absolute;left:0;top:32px;width:20px;height:2px;background:var(--amber)}

/* ---------- contacto ---------- */
.contact-mail{font-family:var(--display);font-weight:700;font-size:clamp(1.4rem,4.5vw,2.6rem);letter-spacing:-.01em;text-decoration:none;border-bottom:3px solid var(--amber);word-break:break-all}
.contact-grid{display:grid;gap:36px;margin-top:52px}
@media (min-width:841px){.contact-grid{grid-template-columns:1.4fr 1fr}}
.contact-facts{font-size:.95rem}
.contact-facts .tag{display:block;margin-top:22px;margin-bottom:6px}
.contact-facts p{margin:0}
.copybtn{margin-left:14px;vertical-align:middle;background:none;border:1px solid var(--line);border-radius:4px;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;padding:7px 11px;cursor:pointer;color:var(--ink-2)}
.copybtn:hover{border-color:var(--amber)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding:52px 0 64px;font-size:.88rem;color:var(--ink-2)}
.foot-grid{display:grid;gap:28px}
@media (min-width:700px){.foot-grid{grid-template-columns:2fr 1fr 1fr}}
.site-foot .tag{display:block;margin-bottom:10px}
.site-foot a{text-decoration:none}
.site-foot a:hover{text-decoration:underline;text-decoration-color:var(--amber)}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:8px}
.legal-line{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-family:var(--mono);font-size:.7rem;letter-spacing:.06em}

/* ---------- páginas legales / texto largo ---------- */
.prose{max-width:none}
.prose p,.prose li{max-width:78ch}
.prose h2{font-size:1.3rem;margin-top:2.2em}
.prose h3{font-size:1.05rem;margin-top:1.6em}

/* util */
.mt-0{margin-top:0}
.sec-head{max-width:60ch}
.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:var(--ink);padding:10px 16px;z-index:100;border-radius:0 0 4px 0}
.skip:focus{left:0}

/* ---------- página QR oculta (/connect) ---------- */
.connect{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 20px;background:var(--ink)}
.connect-card{width:100%;max-width:420px;background:var(--paper);border-radius:14px;padding:36px 28px;text-align:center}
.connect-sub{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin:0 0 26px}
.connect-actions{display:flex;flex-direction:column;gap:12px;margin-bottom:30px}
.connect-btn{display:flex;align-items:center;gap:16px;text-align:left;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:15px 18px;background:#fff;transition:border-color .15s,transform .15s}
.connect-btn:hover{border-color:var(--amber);transform:translateY(-1px)}
.connect-btn svg{flex:0 0 26px;color:var(--ink)}
.connect-btn span{display:flex;flex-direction:column;line-height:1.3}
.connect-btn strong{font-family:var(--display);font-weight:500;font-size:1.02rem}
.connect-btn small{color:var(--ink-2);font-size:.82rem}
.connect-wechat{border-top:1px solid var(--line);padding-top:24px}
.connect-wechat .tag{display:block;margin-bottom:12px}
.wechat-qr{width:150px;height:150px;margin:0 auto 10px;border:1px solid var(--line);border-radius:9px;background:repeating-linear-gradient(45deg,#fff,#fff 10px,#FAFAF8 10px,#FAFAF8 20px);display:flex;align-items:center;justify-content:center;overflow:hidden}
.wechat-qr img{width:100%;height:100%;object-fit:contain}
.connect-wechat small{color:var(--ink-2);font-size:.8rem}
.connect-foot{margin:26px 0 0;font-family:var(--mono);font-size:.62rem;letter-spacing:.04em;color:#AEB4BB;line-height:1.5}