/* =========================================================
   3D SUR — estilos del sitio
   Capas: la marca se apila como una impresión. Bandas oscuras
   "noche" con líneas de capa, contenido claro para leer y trabajar.
   1. Tokens  2. Base  3. Marca  4. Cabecera  5. Botones
   6. Inicio  7. Herramienta QR  8. Legales  9. Pie  10. Responsive
   ========================================================= */

/* 1. Tokens ------------------------------------------------ */
:root {
  /* paleta de la marca */
  --noche: #0d1522;
  --capa: #152133;
  --linea-osc: #22324a;
  --disco: #1d1f22;
  --azul: #2f6fb0;
  --azul-hover: #255c95;
  --celeste: #74b6e6;
  --blanco: #f4f4f2;
  --gris-osc: #9fb0c4;
  /* superficies claras */
  --bg: #ffffff;
  --suave: #f3f6fa;
  --celeste-suave: #e6f1fa;
  --linea: #dfe6ee;
  --linea-2: #cdd7e2;
  --texto: #1d2a44;
  --gris: #5b6b80;
  /* estados */
  --wa: #25d366;
  --wa-txt: #06210f;
  --ok: #17794a; --ok-bg: #e5f4ec;
  --warn: #8a5a00; --warn-bg: #fff3d6;
  --bad: #b3261e; --bad-bg: #fdeceb;
  /* tipografía */
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  /* forma */
  --r: 12px;
  --r-sm: 8px;
  --capas-bg: repeating-linear-gradient(0deg, transparent 0 5px, rgba(116, 182, 230, .045) 5px 6px);
  color-scheme: light;
}

/* 2. Base -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--texto); font: 400 16px/1.55 var(--body); -webkit-font-smoothing: antialiased; }
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--azul); }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.1; text-wrap: balance; }
p { margin: 0; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--noche); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 60; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--celeste); outline-offset: 3px; }
[hidden] { display: none !important; }
.noscript { background: var(--warn-bg); color: var(--warn); padding: 12px 16px; border-radius: var(--r-sm); }

/* 3. Marca ------------------------------------------------- */
.iso { width: 40px; height: 40px; flex: none; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--blanco); }
.brand-txt { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font: 800 25px/1 var(--display); letter-spacing: .06em; }
.brand-sub { font: 600 10.5px/1 var(--display); letter-spacing: .32em; text-transform: uppercase; color: var(--celeste); margin-top: 4px; }
.capas { display: inline-flex; flex-direction: column; gap: 3px; flex: none; }
.capas i { display: block; width: 26px; height: 4px; border-radius: 2px; }
.capas i:nth-child(1) { background: var(--blanco); }
.capas i:nth-child(2) { background: var(--celeste); }
.capas i:nth-child(3) { background: var(--azul); }
.on-light .capas i:nth-child(1) { background: var(--linea-2); }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; font: 600 14px/1 var(--display); letter-spacing: .22em; text-transform: uppercase; color: var(--azul); }
.dark .eyebrow { color: var(--celeste); }

/* 4. Cabecera ---------------------------------------------- */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--noche); }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 25; background: var(--noche); border-bottom: 1px solid var(--linea-osc); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--gris-osc); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--blanco); }
.nav .nav-tool { color: var(--celeste); font-weight: 600; }
.nav .nav-tool b { font: 700 11px/1 var(--display); letter-spacing: .1em; background: var(--celeste); color: var(--noche); border-radius: 4px; padding: 3px 5px; margin-left: 6px; vertical-align: 2px; }
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--linea-osc); border-radius: var(--r-sm); background: var(--capa); color: var(--blanco); cursor: pointer; place-items: center; }
.menu-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }

/* 5. Botones ----------------------------------------------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 0 20px; border-radius: var(--r-sm);
  border: 1.5px solid transparent; font: 600 16px/1 var(--body); text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, transform .1s, color .15s; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 19px; height: 19px; flex: none; }
.btn-wa { background: var(--wa); color: var(--wa-txt); }
.btn-wa:hover { background: #3ee07a; }
.btn-azul { background: var(--azul); color: #fff; }
.btn-azul:hover { background: var(--azul-hover); }
.btn-linea { background: transparent; border-color: var(--linea-2); color: var(--texto); }
.btn-linea:hover { border-color: var(--azul); color: var(--azul); }
.dark .btn-linea { border-color: var(--linea-osc); color: var(--blanco); }
.dark .btn-linea:hover { border-color: var(--celeste); color: var(--celeste); }
.btn-sm { min-height: 38px; font-size: 14px; padding: 0 13px; }
.btn[disabled], .btn.is-busy { opacity: .6; cursor: progress; }
.ico-line { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* 6. Inicio ------------------------------------------------ */
.dark { background-color: var(--noche); background-image: var(--capas-bg); color: var(--blanco); }
.hero { padding-block: 64px 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.hero h1 { font: 800 clamp(44px, 6.6vw, 82px)/.95 var(--display); letter-spacing: .005em; margin-top: 18px; }
.hero h1 span { color: var(--celeste); display: block; }
.hero .lead { color: var(--gris-osc); font-size: 18.5px; max-width: 34em; margin-top: 20px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; color: var(--gris-osc); font-size: 14.5px; }
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta svg { width: 16px; height: 16px; color: var(--celeste); }
.pila { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 470px; justify-self: end; width: 100%; }
.pila figure { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--linea-osc); background: var(--capa); }
.pila figure:nth-child(2) { transform: translateY(28px); }
.pila figure:nth-child(3) { transform: translateY(-14px); }
.pila img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; }
.pila figcaption { font-size: 13px; color: var(--gris-osc); padding: 8px 12px 10px; }

.section { padding-block: 76px; }
.section.alt { background: var(--suave); }
.sec-head { display: flex; flex-direction: column; gap: 12px; max-width: 660px; margin-bottom: 36px; }
.sec-head h2 { font: 700 clamp(32px, 4vw, 46px)/1 var(--display); letter-spacing: .01em; }
.sec-head p { color: var(--gris); font-size: 17px; }
.dark .sec-head p { color: var(--gris-osc); }

.servicios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.serv { display: flex; flex-direction: column; gap: 10px; padding: 22px; border: 1px solid var(--linea); border-radius: var(--r); background: var(--bg); }
.serv-ico { width: 46px; height: 46px; border-radius: 10px; background: var(--noche); display: grid; place-items: center; color: var(--celeste); margin-bottom: 4px; }
.serv-ico svg { width: 24px; height: 24px; }
.serv h3 { font: 700 23px/1.1 var(--display); letter-spacing: .01em; }
.serv p { color: var(--gris); font-size: 15.5px; }
.serv a { margin-top: auto; padding-top: 6px; font-weight: 600; font-size: 15px; text-decoration: none; }
.serv a:hover { text-decoration: underline; }

.qr-band { padding-block: 72px; }
.qr-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.qr-grid h2 { font: 800 clamp(36px, 4.6vw, 58px)/.98 var(--display); margin-top: 16px; }
.qr-grid .lead { color: var(--gris-osc); font-size: 17.5px; margin-top: 16px; max-width: 32em; }
.qr-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; }
.qr-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--blanco); }
.qr-list li::before { content: ""; flex: none; width: 14px; height: 9px; margin-top: 7px; border-left: 2.5px solid var(--celeste); border-bottom: 2.5px solid var(--celeste); transform: rotate(-45deg); }
.qr-shot { border-radius: 14px; overflow: hidden; border: 1px solid var(--linea-osc); box-shadow: 0 24px 60px rgba(0, 0, 0, .35); background: var(--bg); }
.qr-shot img { width: 100%; height: auto; }
@media (max-width: 600px) { .qr-shot { max-width: 340px; } }

.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filtro { border: 1.5px solid var(--linea-2); background: var(--bg); color: var(--texto); border-radius: 999px; padding: 8px 15px; font: 600 14.5px/1 var(--body); cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.filtro:hover { border-color: var(--azul); color: var(--azul); }
.filtro.is-on { background: var(--noche); border-color: var(--noche); color: var(--blanco); }
.trabajos { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.trabajo.oculto { display: none; }
.mas-trabajos { margin-top: 26px; }
.trabajo { margin: 0; display: flex; flex-direction: column; gap: 4px; }
.trabajo .ph { border-radius: var(--r); overflow: hidden; background: var(--noche); aspect-ratio: 4 / 5; max-width: 100%; }
.trabajo img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.trabajo:hover img { transform: scale(1.04); }
@media (prefers-reduced-motion: reduce) { .trabajo img { transition: none; } }
.trabajo .cat { margin-top: 8px; font: 600 12.5px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--gris); }
.trabajo h3 { font: 600 17px/1.25 var(--body); }
.trabajos-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 36px; color: var(--gris); }

.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: paso; }
.pasos li { counter-increment: paso; border-top: 3px solid var(--azul); padding-top: 18px; }
.pasos li:nth-child(2) { border-color: var(--celeste); }
.pasos li:nth-child(3) { border-color: var(--noche); }
.pasos li::before { content: "0" counter(paso); font: 500 14px/1 var(--mono); color: var(--gris); }
.pasos h3 { font: 700 24px/1.1 var(--display); margin: 10px 0 6px; }
.pasos p { color: var(--gris); }
.nota { margin-top: 26px; color: var(--gris); font-size: 15px; }
.nota b { color: var(--texto); }

.contacto { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.contacto h2 { font: 800 clamp(36px, 4.6vw, 56px)/.98 var(--display); margin-top: 16px; }
.contacto .lead { color: var(--gris-osc); margin-top: 14px; font-size: 17.5px; }
.datos { display: grid; gap: 10px; }
.dato { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 10px; background: var(--capa); border: 1px solid var(--linea-osc); color: var(--blanco); text-decoration: none; transition: border-color .15s, transform .15s; }
a.dato:hover { border-color: var(--celeste); transform: translateY(-2px); }
.dato .ic { width: 40px; height: 40px; flex: none; border-radius: 8px; background: var(--noche); display: grid; place-items: center; color: var(--celeste); }
.dato .ic svg { width: 21px; height: 21px; }
.dato strong { display: block; font-weight: 600; }
.dato small { color: var(--gris-osc); font-size: 14px; }
.dato .tel { font-family: var(--mono); font-size: 15px; user-select: all; }
.dato.wa { background: var(--wa); border-color: var(--wa); color: var(--wa-txt); }
.dato.wa small { color: #0b3a1b; }
.dato.wa .ic { background: rgba(255, 255, 255, .28); color: var(--wa-txt); }

/* 7. Herramienta QR ---------------------------------------- */
.tool-hero { padding-block: 30px 34px; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 14px; color: var(--gris-osc); }
.crumbs a { color: var(--gris-osc); text-decoration: none; }
.crumbs a:hover { color: var(--blanco); }
.tool-hero h1 { font: 800 clamp(34px, 4.6vw, 52px)/1 var(--display); letter-spacing: .005em; margin-top: 14px; }
.tool-hero .lead { color: var(--gris-osc); font-size: 17px; max-width: 46em; margin-top: 10px; }
.tool { background: var(--suave); padding-block: 26px 10px; }
.tool-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.col { display: grid; gap: 16px; }
.col-right { position: sticky; top: 84px; }
.card { background: var(--bg); border: 1px solid var(--linea); border-radius: 14px; padding: 20px; }
.step-title { display: flex; align-items: center; gap: 11px; font: 700 22px/1.1 var(--display); letter-spacing: .01em; margin-bottom: 16px; }
.num { width: 28px; height: 28px; flex: none; border-radius: 7px; background: var(--noche); color: var(--celeste); font: 500 13px/1 var(--mono); display: grid; place-items: center; }
.seg { display: inline-flex; flex-wrap: wrap; background: var(--suave); border: 1px solid var(--linea); border-radius: 10px; padding: 3px; margin-bottom: 14px; }
.seg-btn { border: 0; background: transparent; padding: 8px 15px; border-radius: 7px; font-size: 15px; font-weight: 600; color: var(--gris); cursor: pointer; }
.seg-btn.is-on { background: var(--noche); color: var(--blanco); }
.field { display: block; margin-bottom: 14px; }
.label { display: block; font-size: 14px; font-weight: 600; color: var(--texto); margin-bottom: 6px; }
.label-row { display: flex; justify-content: space-between; }
.label-row b { font: 500 14px/1.4 var(--mono); color: var(--azul); }
input[type="text"], input[type="tel"], select { width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--linea-2); border-radius: var(--r-sm); background: #fff; font-size: 16px; color: var(--texto); }
input[type="text"]:focus, input[type="tel"]:focus, select:focus { outline: 0; border-color: var(--azul); box-shadow: 0 0 0 3px rgba(47, 111, 176, .18); }
.hint { font-size: 13.5px; color: var(--gris); margin-top: 4px; }
.hint.center { text-align: center; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: end; }
.check { display: flex; align-items: center; gap: 8px; height: 44px; margin-bottom: 14px; font-size: 15px; font-weight: 500; }
.check input { width: 18px; height: 18px; accent-color: var(--azul); }
.color-input { display: flex; align-items: center; gap: 10px; height: 44px; border: 1px solid var(--linea-2); border-radius: var(--r-sm); padding: 0 10px 0 6px; background: #fff; }
.color-input input[type="color"] { width: 32px; height: 32px; border: 0; padding: 0; background: none; cursor: pointer; }
.color-input input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.color-input input[type="color"]::-webkit-color-swatch { border: 1px solid rgba(0, 0, 0, .15); border-radius: 6px; }
.color-input input[type="color"]::-moz-color-swatch { border: 1px solid rgba(0, 0, 0, .15); border-radius: 6px; }
.color-input output { font: 500 14px/1 var(--mono); color: var(--gris); }
.chips { display: grid; gap: 8px; margin-bottom: 16px; }
.chips-4 { grid-template-columns: repeat(4, 1fr); }
.chips-3 { grid-template-columns: repeat(3, 1fr); }
.chip-card { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 11px 6px; min-height: 76px; border: 1.5px solid var(--linea-2); background: #fff; border-radius: 10px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--texto); text-align: center; line-height: 1.2; transition: border-color .15s, background .15s; }
.chip-card svg { width: 26px; height: 26px; fill: var(--gris); }
#format-chips .chip-card svg { fill: none; stroke: var(--gris); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.chip-card small { font-size: 12px; font-weight: 500; color: var(--gris); }
.chip-card:hover { border-color: var(--celeste); }
.chip-card.is-on { border-color: var(--azul); background: var(--celeste-suave); color: var(--azul); }
.chip-card.is-on svg { fill: var(--azul); }
#format-chips .chip-card.is-on svg { fill: none; stroke: var(--azul); }
.emoji-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.emoji { min-width: 42px; height: 42px; padding: 0 10px; border: 1.5px solid var(--linea-2); background: #fff; border-radius: 9px; cursor: pointer; font-size: 19px; line-height: 1; }
.emoji[data-emoji=""] { font-size: 14px; font-weight: 600; color: var(--texto); }
.emoji:hover { border-color: var(--celeste); }
.emoji.is-on { border-color: var(--azul); background: var(--celeste-suave); }
.logo-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.logo-row .btn svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.logo-name { font-size: 14px; color: var(--gris); max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-btn { border: 0; background: none; padding: 0; color: var(--azul); font-weight: 600; text-decoration: underline; cursor: pointer; font-size: inherit; }
input[type="range"] { width: 100%; accent-color: var(--azul); height: 24px; }
.out-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.out-head h2 { font: 700 21px/1.1 var(--display); letter-spacing: .01em; }
.tag { font: 500 11.5px/1 var(--mono); color: var(--gris); background: var(--suave); border: 1px solid var(--linea); padding: 4px 7px; border-radius: 5px; }
.qr-stage { border-radius: 10px; padding: 16px; display: grid; place-items: center; min-height: 236px; background-color: #fafbfc;
  background-image: linear-gradient(45deg, #eef1f5 25%, transparent 25%), linear-gradient(-45deg, #eef1f5 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #eef1f5 75%), linear-gradient(-45deg, transparent 75%, #eef1f5 75%);
  background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0; }
.qr-preview { width: 204px; height: 204px; }
.qr-preview canvas, .qr-preview svg { width: 204px !important; height: 204px !important; box-shadow: 0 2px 10px rgba(13, 21, 34, .1); }
.dl-row { display: flex; gap: 8px; margin-top: 12px; }
.dl-row .btn { flex: 1; }
.sel-sm { width: auto; flex: none; height: 46px; font-size: 14.5px; }
.msg { font-size: 14px; margin-top: 8px; padding: 8px 10px; border-radius: 7px; background: var(--bad-bg); color: var(--bad); }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.viewer { position: relative; height: 270px; border-radius: 10px; overflow: hidden; background: radial-gradient(120% 90% at 50% 15%, #ffffff 0%, #eef2f6 60%, #e1e7ee 100%); touch-action: none; }
.viewer canvas { width: 100% !important; height: 100% !important; cursor: grab; }
.viewer canvas:active { cursor: grabbing; }
.viewer-msg { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 20px; font-size: 14px; color: var(--gris); background: rgba(243, 246, 250, .88); }
.viewer[data-state="ready"] .viewer-msg { display: none; }
.viewer-hint { position: absolute; left: 50%; bottom: 8px; transform: translateX(-50%); font-size: 12px; color: var(--gris); background: rgba(255, 255, 255, .92); padding: 3px 10px; border-radius: 999px; white-space: nowrap; pointer-events: none; }
.viewer[data-state="nowebgl"] .viewer-hint { display: none; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0 0; }
.stats div { background: var(--suave); border: 1px solid var(--linea); border-radius: 9px; padding: 8px 10px; min-width: 0; }
.stats dt { font-size: 12px; color: var(--gris); font-weight: 600; }
.stats dd { margin: 3px 0 0; font: 500 13.5px/1.3 var(--mono); color: var(--texto); }
.stats dd.bad { color: var(--bad); }
.warns { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; }
.warns li { font-size: 13.5px; line-height: 1.4; padding: 8px 10px 8px 32px; border-radius: 8px; position: relative; }
.warns li::before { position: absolute; left: 11px; top: 7px; font-weight: 800; }
.warns .w-bad { background: var(--bad-bg); color: var(--bad); }
.warns .w-bad::before { content: "✕"; }
.warns .w-warn { background: var(--warn-bg); color: var(--warn); }
.warns .w-warn::before { content: "!"; left: 14px; }
.warns .w-ok { background: var(--ok-bg); color: var(--ok); }
.warns .w-ok::before { content: "✓"; }
.btn-xl { width: 100%; min-height: 58px; flex-direction: column; gap: 3px; font-size: 17px; margin-top: 12px; }
.btn-xl small { font-size: 12.5px; font-weight: 500; opacity: .85; }
.cta { display: flex; gap: 16px; border: 0; color: var(--blanco); background-color: var(--noche); background-image: var(--capas-bg); }
.cta .iso { width: 48px; height: 48px; }
.cta h2 { font: 700 23px/1.1 var(--display); margin-bottom: 6px; }
.cta p { margin: 0 0 14px; font-size: 15px; color: var(--gris-osc); }
.privacy { display: flex; align-items: center; gap: 8px; justify-content: center; text-align: center; font-size: 14px; color: var(--gris); padding-block: 18px 6px; }
.privacy svg { width: 16px; height: 16px; flex: none; color: var(--ok); }
.ad-slot { margin: 26px auto 0; border: 1.5px dashed var(--linea-2); border-radius: 10px; display: grid; place-items: center; color: #a3afbd; font: 500 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; background: rgba(255, 255, 255, .6); }
.ad-leaderboard { min-height: 110px; max-width: 970px; }
.ad-incontent { min-height: 250px; max-width: 820px; margin-left: 0; }
.content { padding-top: 56px; }
.content > h2 { font: 700 clamp(28px, 3.4vw, 38px)/1.05 var(--display); margin-bottom: 20px; }
.steps3 { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.steps3 li { border: 1px solid var(--linea); border-radius: var(--r); padding: 20px; }
.steps3 svg { width: 30px; height: 30px; color: var(--azul); margin-bottom: 10px; }
.steps3 h3 { font: 700 21px/1.1 var(--display); margin-bottom: 5px; }
.steps3 p, .ideas p { color: var(--gris); font-size: 15px; }
.ideas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ideas article { border: 1px solid var(--linea); border-radius: var(--r); padding: 20px; }
.ideas .ico { font-size: 24px; display: block; margin-bottom: 8px; }
.ideas h3 { font: 700 20px/1.1 var(--display); margin-bottom: 5px; }
.prose { max-width: 760px; }
.prose p { color: var(--gris); font-size: 16.5px; margin-bottom: 14px; }
.prose strong { color: var(--texto); }
.faq { display: grid; gap: 8px; max-width: 820px; }
.faq details { border: 1px solid var(--linea); border-radius: 10px; padding: 0 16px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 15px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--azul); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 15px; color: var(--gris); }

/* 8. Legales ----------------------------------------------- */
.legal { max-width: 820px; padding-block: 40px 20px; }
.legal h1 { font: 800 42px/1 var(--display); margin-bottom: 18px; }
.legal h2 { font: 700 24px/1.1 var(--display); margin: 28px 0 8px; }
.legal p { color: var(--gris); margin-bottom: 10px; }
.todo { background: var(--warn-bg); border-radius: 4px; padding: 0 4px; }

/* 9. Pie --------------------------------------------------- */
.site-footer { background: var(--noche); color: var(--gris-osc); font-size: 15px; border-top: 1px solid var(--linea-osc); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding-block: 44px 30px; }
.foot-grid h3 { font: 600 14px/1 var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--celeste); margin-bottom: 14px; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.foot-grid a { color: var(--gris-osc); text-decoration: none; }
.foot-grid a:hover { color: var(--blanco); }
.foot-lema { display: flex; align-items: center; gap: 12px; margin-top: 16px; font: 600 18px/1.2 var(--display); letter-spacing: .03em; color: var(--blanco); }
.foot-bottom { border-top: 1px solid var(--linea-osc); padding-block: 16px 20px; font-size: 13.5px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.foot-bottom a { color: var(--gris-osc); }
.wa-float { position: fixed; right: calc(18px + env(safe-area-inset-right, 0px)); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 20; width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: var(--wa-txt); display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0, 0, 0, .28); }
.wa-float svg { width: 28px; height: 28px; }

/* 10. Responsive ------------------------------------------- */
@media (max-width: 960px) {
  .menu-btn { display: grid; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--noche); border-bottom: 1px solid var(--linea-osc);
    padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 13px 4px; border-bottom: 1px solid var(--linea-osc); font-size: 17px; }
  .hero-grid, .qr-grid, .contacto { grid-template-columns: 1fr; gap: 36px; }
  .pila { justify-self: start; max-width: 520px; }
  .trabajos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .servicios { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-grid { display: flex; flex-direction: column; gap: 14px; }
  .col { display: contents; }
  .col-right { position: static; }
  .step-1 { order: 1; } .out-img { order: 2; } .step-2 { order: 3; }
  .step-3 { order: 4; } .out-3d { order: 5; } .cta { order: 6; }
  .steps3, .ideas { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .hero { padding-block: 40px 56px; }
  .eyebrow { font-size: 13px; letter-spacing: .14em; }
  .tool-hero { padding-block: 22px 24px; }
  .tool-hero .lead { font-size: 15.5px; }
  .hero .lead { font-size: 17px; }
  .section, .qr-band { padding-block: 56px; }
  .servicios, .pasos { grid-template-columns: 1fr; }
  .trabajos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .trabajo h3 { font-size: 15px; }
  .filtro { font-size: 13.5px; padding: 7px 12px; }
  .pila figure:nth-child(2) { transform: translateY(18px); }
  .card { padding: 16px; }
  .chips-4 { grid-template-columns: repeat(2, 1fr); }
  .row-2 { grid-template-columns: 1fr; gap: 0; }
  .qr-stage { min-height: 200px; }
  .qr-preview, .qr-preview canvas, .qr-preview svg { width: 176px !important; height: 176px !important; }
  .dl-row { flex-wrap: wrap; }
  .dl-row .btn { flex: 1 1 40%; }
  .sel-sm { flex: 1 1 100%; }
  .viewer { height: 236px; }
  .cta { flex-direction: column; }
  .foot-grid { grid-template-columns: 1fr; }
}

/* Ajustes: bajada de sección y detalle de trabajo */
.sec-head .bajada { display: inline-flex; align-items: center; gap: 12px; font: 600 clamp(19px, 2.2vw, 24px)/1.2 var(--display); letter-spacing: .02em; color: var(--azul); }
.trabajo .det { color: var(--gris); font-size: 14px; line-height: 1.4; }

/* Visor de trabajos (pantalla completa) */
.trabajo .abrir { display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in; }
.trabajo .abrir:focus-visible { outline: 2px solid var(--celeste); outline-offset: 3px; }
.visor { position: fixed; inset: 0; width: 100%; height: 100%; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(8, 13, 22, .96); color: var(--blanco); overscroll-behavior: contain; }
.visor::backdrop { background: rgba(8, 13, 22, .96); }
.visor[open] { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 360px); }
.visor-foto { position: relative; display: grid; place-items: center; min-height: 0; padding: calc(56px + env(safe-area-inset-top, 0px)) 64px 24px; }
.visor-foto img { max-width: 100%; max-height: calc(100vh - 110px); max-height: calc(100dvh - 110px); width: auto; height: auto; border-radius: 12px; box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.visor-info { display: flex; flex-direction: column; gap: 12px; padding: calc(72px + env(safe-area-inset-top, 0px)) max(28px, env(safe-area-inset-right, 0px)) 28px 8px; overflow-y: auto; }
.visor-info .cat { font: 600 13px/1 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--celeste); margin: 0; }
.visor-info h3 { font: 700 32px/1.05 var(--display); margin: 0; }
.visor-info .det { color: var(--gris-osc); font-size: 16px; margin: 0; }
.visor-info .pos { font: 500 13px/1 var(--mono); color: var(--gris-osc); margin-top: auto; }
.visor-info .btn { align-self: flex-start; }
.visor-btn { position: absolute; z-index: 2; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--linea-osc); background: var(--capa); color: var(--blanco); display: grid; place-items: center; cursor: pointer; }
.visor-btn:hover { border-color: var(--celeste); }
.visor-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.visor-cerrar { top: calc(14px + env(safe-area-inset-top, 0px)); right: calc(14px + env(safe-area-inset-right, 0px)); }
.visor-ant { left: 10px; top: 50%; transform: translateY(-50%); }
.visor-sig { right: 10px; top: 50%; transform: translateY(-50%); }
body.visor-abierto { overflow: hidden; }
@media (max-width: 860px) {
  .visor[open] { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .visor-foto { padding: calc(64px + env(safe-area-inset-top, 0px)) 12px 8px; }
  .visor-foto img { max-height: calc(100vh - 290px); max-height: calc(100dvh - 290px); }
  .visor-info { padding: 8px max(18px, env(safe-area-inset-left, 0px)) calc(18px + env(safe-area-inset-bottom, 0px)) max(18px, env(safe-area-inset-right, 0px)); gap: 8px; }
  .visor-info h3 { font-size: 25px; }
  .visor-info .pos { margin-top: 4px; }
  .visor-ant, .visor-sig { top: auto; bottom: 8px; transform: none; width: 44px; height: 44px; }
  .visor-ant { left: auto; right: calc(66px + env(safe-area-inset-right, 0px)); }
  .visor-sig { right: calc(14px + env(safe-area-inset-right, 0px)); }
  .visor-btn.visor-ant, .visor-btn.visor-sig { position: fixed; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); }
}

/* Varias fotos por pieza */
.trabajo .abrir { position: relative; }
.n-fotos { position: absolute; right: 10px; bottom: 10px; padding: 5px 9px; border-radius: 999px; background: rgba(8, 13, 22, .72); color: var(--blanco); font: 600 12px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.visor-foto { grid-template-rows: minmax(0, 1fr) auto; gap: 12px; }
.visor-minis { display: flex; gap: 8px; justify-content: center; }
.visor-minis[hidden] { display: none; }
.visor-mini { width: 56px; height: 70px; padding: 0; border: 2px solid transparent; border-radius: 8px; overflow: hidden; background: var(--capa); cursor: pointer; opacity: .6; }
.visor-mini img { width: 100%; height: 100%; object-fit: cover; display: block; }
.visor-mini.is-on { border-color: var(--celeste); opacity: 1; }
.visor-foto img { max-height: calc(100vh - 190px); max-height: calc(100dvh - 190px); }
@media (max-width: 860px) {
  .visor-foto img { max-height: calc(100vh - 360px); max-height: calc(100dvh - 360px); }
  .visor-mini { width: 44px; height: 55px; }
}

/* Un poco de historia */
.hist-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.hitos { list-style: none; margin: 0; padding: 0 0 0 22px; border-left: 2px solid var(--linea); display: grid; gap: 22px; }
.hitos li { position: relative; }
.hitos li::before { content: ""; position: absolute; left: -29px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--azul); box-shadow: 0 0 0 4px var(--suave); }
.hitos li:nth-child(2)::before { background: var(--celeste); }
.hitos li:nth-child(3)::before { background: var(--noche); }
.hitos b { font: 700 28px/1 var(--display); color: var(--texto); }
.hitos p { margin: 6px 0 0; color: var(--gris); max-width: 46ch; }
.fdm { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r); padding: 24px; }
.fdm h3 { font: 700 24px/1.1 var(--display); margin: 0 0 6px; }
.fdm-intro { color: var(--gris); margin: 0 0 18px; }
.fdm-pasos { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.fdm-pasos li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.fdm-n { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--noche); color: var(--blanco); font: 500 14px/1 var(--mono); }
.fdm-pasos strong { font: 700 18px/1.2 var(--display); color: var(--texto); }
.fdm-pasos p { margin: 2px 0 0; color: var(--gris); font-size: 15px; }
@media (max-width: 860px) { .hist-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Publicidad: el recuadro solo aparece cuando tiene un anuncio de AdSense adentro */
.ad-slot:not(:has(ins)) { display: none; }