/* ============================================================
   CHIPUS STUDIO — hoja de estilos
   Paleta y tipografía tomadas de la papelería (cotizaciones):
   amarillo #F4E11A · rojo #E3262B · negro #111 · crema #F3F2EE
   Anton (títulos) + Work Sans (texto)
   ============================================================ */

:root {
  --yellow: #F4E11A;
  --yellow-soft: #FBF3A3;
  --red: #E3262B;
  --red-dark: #B51B1F;
  --black: #111111;
  --ink: #1B1B1B;
  --cream: #F3F2EE;
  --cream-2: #E9E7E1;
  --line: #DDDBD3;
  --gray: #7A7A7A;
  --white: #FFFFFF;

  --font-display: "Anton", "Arial Narrow", Impact, sans-serif;
  --font-body: "Work Sans", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 6px;
  --shadow-hard: 6px 6px 0 var(--black);
  --shadow-hard-red: 6px 6px 0 var(--red);
  --container: 1180px;
  --gutter: clamp(16px, 4vw, 48px);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--yellow);
  line-height: 1.55;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 400; line-height: 0.95; margin: 0; letter-spacing: 0.01em; text-transform: uppercase; }
h2 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

.container { width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--black); color: var(--yellow); padding: 8px 14px; z-index: 100; }
.skip-link:focus { left: 8px; }

/* Textura de papel/grano sutil sobre todo el sitio (impresión, fotocopia) */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.08;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }

/* ---------- botones / etiquetas ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.04em;
  font-size: 1.05rem; padding: 14px 26px;
  border: 3px solid var(--black); border-radius: var(--radius);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn--dark { background: var(--black); color: var(--yellow); box-shadow: var(--shadow-hard-red); }
.btn--dark:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--red); }
.btn--ghost { background: transparent; color: var(--black); }
.btn--ghost:hover { background: var(--black); color: var(--yellow); }
.btn:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--red); }

.tag {
  display: inline-block; font-family: var(--font-display); text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.85rem; padding: 6px 12px;
  background: var(--black); color: var(--yellow); transform: rotate(-1.5deg);
}
.tag--red { background: var(--red); color: var(--white); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 14px var(--gutter);
  background: var(--yellow);
  border-bottom: 3px solid var(--black);
}
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__mark {
  font-family: var(--font-display); font-size: 1.1rem; line-height: 1;
  background: var(--black); color: var(--yellow);
  padding: 8px 9px; border: 2px solid var(--black); box-shadow: 3px 3px 0 var(--red);
  transform: rotate(-3deg);
}
.nav__name { font-family: var(--font-display); font-size: 1.35rem; text-transform: uppercase; letter-spacing: 0.02em; }
.nav__name span { color: var(--red); }
.nav__links { display: flex; gap: 26px; margin-left: auto; font-weight: 600; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; }
.nav__links a { position: relative; padding: 4px 0; }
.nav__links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav__links a:hover::after, .nav__links a.is-active::after { transform: scaleX(1); }
.nav__cta { font-size: 0.95rem; padding: 10px 18px; }
.nav__burger { display: none; margin-left: auto; width: 44px; height: 44px; background: none; border: 3px solid var(--black); border-radius: var(--radius); cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; padding: 8px; }
.nav__burger span { display: block; height: 3px; background: var(--black); transition: transform .2s, opacity .2s; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.menu-movil { display: none; position: sticky; top: 74px; z-index: 49; background: var(--black); border-bottom: 3px solid var(--red); flex-direction: column; }
.menu-movil a { color: var(--yellow); font-family: var(--font-display); text-transform: uppercase; font-size: 1.6rem; padding: 16px var(--gutter); border-bottom: 1px solid #333; }
.menu-movil a:hover { background: var(--red); color: var(--white); }
.menu-movil.is-open { display: flex; }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: clamp(24px, 4vw, 64px);
  width: min(var(--container), 100% - 2 * var(--gutter)); margin-inline: auto;
  padding: clamp(48px, 8vw, 110px) 0 clamp(40px, 6vw, 80px);
  min-height: calc(100vh - 74px);
}
.hero__title { font-size: clamp(3.6rem, 11vw, 9.5rem); line-height: 0.88; margin: 22px 0 26px; }
.hero__line { display: block; }
.hero__line--outline { color: transparent; -webkit-text-stroke: 3px var(--black); }
.hero__punct { color: var(--red); }
.hero__sub { font-size: clamp(1.05rem, 1.6vw, 1.3rem); max-width: 520px; font-weight: 500; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.hero__logo { margin: 0; position: relative; }
.hero__logo img {
  border: 4px solid var(--black); box-shadow: var(--shadow-hard-red);
  transform: rotate(2deg); transition: transform .3s ease;
}
.hero__logo:hover img { transform: rotate(0deg) scale(1.01); }
/* cinta de "pegado" tipo afiche */
.hero__logo::before, .hero__logo::after {
  content: ""; position: absolute; width: 110px; height: 30px;
  background: rgba(255,255,255,0.55); border: 1px solid rgba(0,0,0,0.15);
  z-index: 2;
}
.hero__logo::before { top: -12px; left: 8%; transform: rotate(-8deg); }
.hero__logo::after  { bottom: -10px; right: 6%; transform: rotate(6deg); }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; background: var(--black); color: var(--yellow); border-top: 3px solid var(--black); border-bottom: 3px solid var(--black); }
.marquee__track { display: flex; gap: 32px; width: max-content; padding: 14px 0; animation: marquee 28s linear infinite; font-family: var(--font-display); text-transform: uppercase; font-size: 1.4rem; letter-spacing: 0.05em; white-space: nowrap; }
.marquee__track i { font-style: normal; color: var(--red); }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee:hover .marquee__track { animation-play-state: paused; }

/* ---------- secciones ---------- */
.section { padding: clamp(64px, 9vw, 120px) 0; border-bottom: 3px solid var(--black); }
.section--cream { background: var(--cream); }
.section--yellow { background: var(--yellow); }
.section--dark { background: var(--black); color: var(--cream); }
.section--red { background: var(--red); color: var(--white); }

.section__head { margin-bottom: clamp(32px, 5vw, 56px); max-width: 720px; }
.section__num {
  display: inline-block; font-family: var(--font-display); font-size: 0.9rem; letter-spacing: 0.1em;
  background: var(--red); color: var(--white); padding: 4px 10px; margin-bottom: 14px; transform: rotate(-2deg);
}
.section--red .section__num { background: var(--black); color: var(--yellow); }
.section__head p { font-size: 1.15rem; margin-top: 14px; max-width: 560px; }

/* ---------- servicios: volantes pegados en la pared ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 34px 28px; padding-top: 10px; }
.card {
  --ic-main: var(--black); --ic-shadow: var(--red); --ic-cut: var(--white); --num: rgba(17,17,17,0.07); --tilt: 0deg;
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--white); border: 3px solid var(--black); border-radius: 2px;
  padding: 34px 28px 30px; box-shadow: var(--shadow-hard);
  transform: rotate(var(--tilt));
  transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease;
}
.card:hover { transform: rotate(0deg) translate(-3px, -3px); box-shadow: 10px 10px 0 var(--black); }
/* trama halftone en la esquina, como el afiche del logo */
.card::before {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 200px; height: 200px; z-index: -1;
  background-image: radial-gradient(var(--dot, rgba(17,17,17,0.14)) 1.6px, transparent 1.7px);
  background-size: 9px 9px;
  -webkit-mask-image: radial-gradient(circle at 100% 100%, #000 30%, transparent 72%);
  mask-image: radial-gradient(circle at 100% 100%, #000 30%, transparent 72%);
}
.card--yellow { background: var(--yellow); --ic-cut: var(--yellow); --dot: rgba(17,17,17,0.2); }
.card--red { background: var(--red); color: var(--white); --ic-main: var(--black); --ic-shadow: var(--yellow); --ic-cut: var(--red); --num: rgba(255,255,255,0.14); --dot: rgba(0,0,0,0.25); }
.card--red .chips li { border-color: var(--white); }

/* cinta adhesiva arriba */
.card__tape {
  position: absolute; top: -12px; left: 50%; width: 120px; height: 28px; z-index: 3;
  transform: translateX(-50%) rotate(-3deg);
  background: rgba(255,255,255,0.6); border: 1px solid rgba(0,0,0,0.18);
  box-shadow: 0 1px 2px rgba(0,0,0,0.12);
}
.card:nth-child(even) .card__tape { transform: translateX(-50%) rotate(2.5deg); left: 62%; }
/* número gigante estilo sello de fondo */
.card__num {
  position: absolute; right: 14px; top: -14px; z-index: -1;
  font-family: var(--font-display); font-size: 8rem; line-height: 1; color: var(--num);
  letter-spacing: -0.03em; user-select: none;
}
/* sticker rotado */
.card__sticker {
  position: absolute; top: 18px; right: 18px; z-index: 2;
  font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--red); color: var(--white); padding: 5px 10px;
  border: 2px solid var(--black); box-shadow: 3px 3px 0 var(--black);
  transform: rotate(6deg);
  transition: transform .25s ease;
}
.card--red .card__sticker { background: var(--yellow); color: var(--black); }
.card:hover .card__sticker { transform: rotate(-4deg) scale(1.06); }

/* icono: esténcil en dos capas (sombra desplazada + figura) */
.card__icon { width: 84px; height: 84px; margin-bottom: 18px; display: grid; place-items: center; }
.card__icon svg { width: 84px; height: 84px; overflow: visible; }
.ic-shadow { fill: var(--ic-shadow); }
.ic-main { fill: var(--ic-main); transition: transform .3s cubic-bezier(.2,.8,.2,1); }
.ic-cut { fill: var(--ic-cut); }
.ic-cursor { fill: var(--ic-shadow); }
.ic-cursor-stroke { stroke: var(--ic-main); stroke-width: 3; stroke-linejoin: round; }
.card:hover .ic-main { transform: translate(-3px, -3px); }
.card:hover .ic-cursor, .card:hover .ic-cursor-stroke { animation: click .5s ease; }
.card:hover .ic-paw { animation: wag .6s ease; transform-origin: 20px 60px; }
.ic-blink { animation: blink 1.6s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes click { 40% { transform: translate(3px, 3px) scale(0.9); } }
@keyframes wag { 30% { transform: rotate(-12deg); } 70% { transform: rotate(10deg); } }

.card h3 { margin-bottom: 10px; position: relative; }
.card p { font-size: 1rem; position: relative; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; position: relative; }
.chips li { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; border: 2px solid currentColor; padding: 3px 9px; border-radius: 999px; }
@media (prefers-reduced-motion: reduce) { .ic-blink, .card:hover .ic-cursor, .card:hover .ic-paw { animation: none; } }

/* ---------- proyectos ---------- */
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.project {
  display: grid; grid-template-columns: 140px 1fr; gap: 24px; align-items: center;
  background: var(--ink); border: 3px solid var(--cream); border-radius: var(--radius);
  padding: 26px; box-shadow: 6px 6px 0 var(--red);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.project:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--yellow); border-color: var(--yellow); }
.project__icon { width: 140px; height: 140px; border-radius: 26px; overflow: hidden; border: 3px solid var(--cream); background: var(--white); display: grid; place-items: center; }
.project__icon img { width: 100%; height: 100%; object-fit: cover; }
.project__kind { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; color: var(--yellow); }
.project h3 { color: var(--white); margin: 6px 0 8px; font-size: 2rem; }
.project p { color: var(--cream-2); font-size: 0.98rem; }
.project__link { display: inline-block; margin-top: 14px; font-weight: 700; color: var(--yellow); border-bottom: 2px solid var(--red); }
.projects__note { margin-top: 32px; font-size: 0.9rem; color: var(--gray); max-width: 640px; }

/* ---------- proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--cream); border: 3px solid var(--black); border-radius: var(--radius); padding: 26px 22px 28px; position: relative; box-shadow: var(--shadow-hard); }
.step__n {
  font-family: var(--font-display); font-size: 2.6rem; line-height: 1;
  color: var(--red); display: block; margin-bottom: 12px;
}
.step h3 { font-size: 1.45rem; margin-bottom: 10px; }
.step p { font-size: 0.95rem; }

/* ---------- nosotros ---------- */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.about__lead { font-size: 1.35rem; font-weight: 600; margin: 18px 0 16px; line-height: 1.4; }
.about__text p + p { margin-top: 14px; }
.about__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fact { background: var(--black); color: var(--cream); border-radius: var(--radius); padding: 22px 18px; border: 3px solid var(--black); box-shadow: 5px 5px 0 var(--red); }
.fact strong { display: block; font-family: var(--font-display); font-size: 2.4rem; color: var(--yellow); line-height: 1; margin-bottom: 8px; }
.fact span { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- contacto ---------- */
.contact { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.contact h2 { font-size: clamp(2.6rem, 6.5vw, 5rem); }
.contact__text p { margin-top: 18px; font-size: 1.15rem; max-width: 460px; }
.contact__list li { border-top: 3px solid var(--white); padding: 18px 0; display: flex; flex-direction: column; gap: 4px; }
.contact__list li:last-child { border-bottom: 3px solid var(--white); }
.contact__label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 700; opacity: 0.85; }
.contact__list a { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); text-transform: none; letter-spacing: 0.01em; transition: color .15s, transform .15s; display: inline-block; }
.contact__list a:hover { color: var(--yellow); transform: translateX(6px); }

/* ---------- footer ---------- */
.footer { background: var(--black); color: var(--cream); padding: 40px 0 28px; }
.footer__inner { display: grid; gap: 24px; }
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__brand strong { display: block; font-size: 1rem; }
.footer__brand span { font-size: 0.85rem; color: var(--gray); }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 0.9rem; font-weight: 600; }
.footer__links a:hover { color: var(--yellow); }
.footer__legal { font-size: 0.8rem; color: var(--gray); border-top: 1px solid #333; padding-top: 18px; }

/* ---------- animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero__logo { order: -1; max-width: 520px; }
  .cards, .projects, .about, .contact { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .card { padding: 30px 20px 26px; }
  .card__num { font-size: 6rem; }
  .card__sticker { font-size: 0.68rem; top: 14px; right: 12px; }
  .project { grid-template-columns: 1fr; }
  .project__icon { width: 110px; height: 110px; }
  .about__facts { grid-template-columns: 1fr 1fr; }
  .hero__title { font-size: clamp(3.4rem, 17vw, 5rem); }
  .btn { width: 100%; justify-content: center; }
  .hero__logo::before, .hero__logo::after { width: 80px; }
}

/* ---------- selector de idioma ---------- */
.lang { display: inline-flex; border: 3px solid var(--black); border-radius: var(--radius); overflow: hidden; margin-left: auto; }
.nav__links + .lang { margin-left: 0; }
.lang__btn {
  font-family: var(--font-display); font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase;
  background: transparent; color: var(--black); border: 0; padding: 8px 12px; cursor: pointer;
  transition: background .15s, color .15s;
}
.lang__btn + .lang__btn { border-left: 3px solid var(--black); }
.lang__btn:hover { background: var(--yellow-soft); }
.lang__btn.is-active { background: var(--black); color: var(--yellow); }
.lang--mobile { display: none; margin: 16px var(--gutter) 20px; border-color: var(--yellow); }
.lang--mobile .lang__btn { color: var(--yellow); font-size: 1rem; padding: 12px 18px; flex: 1; }
.lang--mobile .lang__btn + .lang__btn { border-left-color: var(--yellow); }
.lang--mobile .lang__btn.is-active { background: var(--yellow); color: var(--black); }
.menu-movil.is-open .lang--mobile { display: flex; }
@media (max-width: 960px) {
  .nav > .lang { display: none; }
}