/* =============================================================
   CSNV SYSTEMS — Editorial Light
   1. Tokens
   ============================================================= */
:root {
  --cream:      #F6F3ED;
  --cream-2:    #EFEAE0;
  --cream-3:    #E6E0D4;
  --ink:        #16130F;
  --ink-2:      #26221C;
  --muted:      #7C7368;
  --muted-2:    #A39A8E;
  --accent:     #A8563C;
  --accent-lt:  #D08A6C;
  --line:       rgba(22, 19, 15, .13);
  --line-soft:  rgba(22, 19, 15, .07);
  --line-inv:   rgba(246, 243, 237, .16);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:  cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --wrap: 1240px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.04; letter-spacing: -0.025em; font-weight: 400; }
::selection { background: var(--accent); color: var(--cream); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--ink); color: var(--cream);
  z-index: 9999; border-radius: 8px; font-weight: 500; font-size: .875rem;
}
.skip-link:focus { top: 1rem; }

.mono {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.eyebrow {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

/* =============================================================
   4. Components
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .95rem 1.6rem;
  background: var(--ink);
  color: var(--cream);
  border-radius: 100px;
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: transform .5s var(--ease-out), background .35s var(--ease-out);
  will-change: transform;
}
.btn:hover { background: var(--accent); transform: translateY(-2px); }
.btn-sm { padding: .62rem 1.15rem; font-size: .8125rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .9375rem;
  font-weight: 500;
  color: var(--accent);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color .35s var(--ease-out), gap .35s var(--ease-out);
}
.link-arrow::after { content: "→"; transition: transform .45s var(--ease-out); }
.link-arrow:hover { border-color: currentColor; }
.link-arrow:hover::after { transform: translateX(4px); }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.5rem; }
.tags li {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .35rem .65rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--muted);
  white-space: nowrap;
}

/* =============================================================
   5. Nav
   ============================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background .4s var(--ease-out), border-color .4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(246, 243, 237, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}

.nav-inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 1.05rem var(--gutter);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo { display: flex; align-items: baseline; gap: .3rem; margin-right: auto; }
.nav-logo-mark {
  font-family: var(--serif);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.nav-logo-sub {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .22em;
  color: var(--muted);
  transform: translateY(-1px);
}

.nav-links { display: none; gap: 1.9rem; }
.nav-links a {
  font-size: .875rem;
  color: var(--muted);
  transition: color .3s var(--ease-out);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav .btn-sm { display: none; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  margin-right: -8px;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  width: 21px;
  background: var(--ink);
  margin-left: auto;
  transition: transform .45s var(--ease-out), width .45s var(--ease-out), opacity .3s;
}
.nav-toggle span:last-child { width: 14px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { width: 21px; transform: translateY(-3.25px) rotate(-45deg); }

.nav-mobile {
  background: rgba(246, 243, 237, .97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  padding: .5rem var(--gutter) 1.75rem;
  display: flex;
  flex-direction: column;
}
.nav-mobile[hidden] { display: none; }
.nav-mobile a {
  font-family: var(--serif);
  font-size: 1.5rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.nav-mobile a:last-child { border-bottom: 0; color: var(--accent); }

/* =============================================================
   6. Hero
   ============================================================= */
.hero {
  position: relative;
  padding-top: clamp(8rem, 18vh, 11rem);
  padding-bottom: 0;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(ellipse 90% 60% at 70% 20%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 70% 20%, #000 0%, transparent 75%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-title {
  font-family: var(--serif);
  /* Ajustado a la palabra más larga ("alimentación") para que no se recorte. */
  font-size: clamp(2.6rem, 8.2vw, 6.6rem);
  font-weight: 300;
  line-height: .94;
  letter-spacing: -0.04em;
  margin-bottom: 2.75rem;
}
/* Sin overflow:hidden — recortaba la cursiva y las colas de las letras. */
.hero-title .line { display: block; }
.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.hero-body {
  max-width: 46ch;
  margin-left: auto;
}
.hero-body p {
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  color: var(--ink-2);
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem 2rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: clamp(4rem, 10vh, 7rem);
  border-top: 1px solid var(--line);
  position: relative;
}
.hero-meta-item {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: 1.15rem 0;
  font-size: .875rem;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-soft);
}
.hero-meta-item .mono { color: var(--accent); }

/* =============================================================
   7. Sections
   ============================================================= */
.section { padding-block: clamp(5.5rem, 14vh, 9.5rem); }
.section-tight { padding-block: clamp(4.5rem, 10vh, 7rem); }

.section-ink {
  background: var(--ink);
  color: var(--cream);
}
.section-ink .sec-lead { color: var(--muted-2); }
.section-ink .eyebrow { color: #D08A6C; }

.sec-head { max-width: 58ch; margin-bottom: clamp(3rem, 7vh, 4.75rem); }
.sec-title {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 5.2vw, 4.1rem);
  font-weight: 300;
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
}
.sec-lead {
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  color: var(--muted);
  max-width: 52ch;
}

/* --- Categorías --- */
.cats {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.cat {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left .55s var(--ease-out);
}
.cat-num {
  color: var(--accent);
  display: block;
  margin-bottom: 1rem;
}
.cat-name {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  font-weight: 400;
  margin-bottom: .85rem;
}
.cat-desc { color: var(--muted); max-width: 54ch; }

/* --- Servicios --- */
.services {
  display: grid;
  gap: 1px;
  background: var(--line-inv);
  border: 1px solid var(--line-inv);
}
.service {
  background: var(--ink);
  padding: 2.25rem 1.75rem 2.5rem;
  transition: background .5s var(--ease-out);
}
.service:hover { background: var(--ink-2); }
.service h3 {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 400;
  margin-bottom: .75rem;
}
.service p { font-size: .9375rem; color: var(--muted-2); }

/* --- Marquee de marcas --- */
.marquee {
  margin-top: 1rem;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: 1.75rem;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
/* Sin JS: fila que envuelve, estática y completa. */
.marquee-track {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem clamp(2.5rem, 6vw, 5rem);
  padding-inline: var(--gutter);
}
/* Con JS y la lista ya duplicada: cinta infinita. */
.marquee-track.is-dup {
  flex-wrap: nowrap;
  justify-content: flex-start;
  width: max-content;
  padding-inline: 0;
  animation: marquee 46s linear infinite;
}
.marquee:hover .marquee-track.is-dup { animation-play-state: paused; }
.brand-word {
  font-family: var(--sans);
  font-size: clamp(1.05rem, 2.1vw, 1.6rem);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--muted-2);
  white-space: nowrap;
  transition: color .4s var(--ease-out);
  flex-shrink: 0;
}
.brand-word:hover { color: var(--ink); }
@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* --- Proyectos --- */
.projects { display: grid; gap: clamp(2rem, 5vw, 3.5rem); }

.project {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--cream-2);
}
.project-body { padding: clamp(2rem, 4vw, 3.5rem); }
.project-kind { color: var(--accent); display: block; margin-bottom: 1.25rem; }
.project-name {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 400;
  margin-bottom: .75rem;
}
.project-claim {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.project-desc { color: var(--ink-2); margin-bottom: 1.75rem; max-width: 52ch; }
.project-points { margin-bottom: 2rem; display: grid; gap: .7rem; }
.project-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9375rem;
  color: var(--muted);
}
.project-points li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.project-visual {
  display: grid;
  place-items: center;
  min-height: 200px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}
.project-euro .project-visual { background: linear-gradient(145deg, #E8DFD2, #D9CCB8); }
.project-nacala .project-visual { background: linear-gradient(145deg, #23201B, #14120F); }

.project-wordmark {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  text-align: center;
  line-height: 1.1;
}
.project-euro .project-wordmark { color: #6B5B45; }
.project-nacala .project-wordmark {
  color: var(--cream);
  letter-spacing: .22em;
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1.1rem, 2.6vw, 1.8rem);
}

/* --- Contacto --- */
.contact { display: grid; gap: clamp(2.5rem, 6vw, 4rem); }
.contact-cards { display: grid; gap: 1px; background: var(--line-inv); border: 1px solid var(--line-inv); }
.contact-card {
  background: var(--ink);
  padding: 2rem 1.75rem;
  display: grid;
  gap: .45rem;
  align-content: center;
  transition: background .45s var(--ease-out);
}
.contact-card:hover { background: var(--ink-2); }
.contact-label { color: #D08A6C; }
.contact-value {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  word-break: break-word;
}
.contact-hint { font-size: .8125rem; color: var(--muted); }

/* =============================================================
   8. Footer
   ============================================================= */
.footer {
  padding-block: 3.5rem 2.5rem;
  border-top: 1px solid var(--line);
}
.footer-inner { display: grid; gap: 2rem; }
.footer-brand { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem; }
.footer-brand p {
  flex-basis: 100%;
  font-size: .875rem;
  color: var(--muted);
  margin-top: .6rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a {
  font-size: .875rem;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .3s, border-color .3s;
}
.footer-links a:hover { color: var(--accent); border-bottom-color: currentColor; }
.footer-copy { font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; color: var(--muted-2); }

/* =============================================================
   9. Reveals — visible by default; only hidden when JS is alive
   ============================================================= */
html.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .95s var(--ease-out), transform .95s var(--ease-out);
}
html.js .reveal.is-in { opacity: 1; transform: none; }

/* --- Hero: animación CSS pura, sin JS ni observador ---------------------
   Se reproduce sola al cargar. Si el CSS no llegara, el contenido se ve
   igual: aquí nunca hay un estado "invisible" a la espera de nada.        */
@keyframes heroIn {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: none; }
}
html.js .hero-in { animation: heroIn .9s var(--ease-out) both; }
html.js .hero-title .hero-in:nth-of-type(1) { animation-delay: .10s; }
html.js .hero-title .hero-in:nth-of-type(2) { animation-delay: .19s; }
html.js .hero-title .hero-in:nth-of-type(3) { animation-delay: .28s; }
html.js .hero-body.hero-in { animation-delay: .40s; }

/* =============================================================
   10. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .footer-inner { grid-template-columns: 1fr auto; align-items: end; }
  .footer-copy { grid-column: 1 / -1; }
}

@media (min-width: 720px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: repeat(2, 1fr); }
  .hero-meta { grid-template-columns: repeat(4, 1fr); }
  .hero-meta-item { border-bottom: 0; padding-right: 1rem; }
  .cat {
    display: grid;
    grid-template-columns: 4.5rem 1fr;
    gap: 0 2rem;
    align-items: start;
  }
  .cat-num { margin-bottom: 0; padding-top: .55rem; }
  /* Descripción y etiquetas nunca en la columna estrecha del número. */
  .cat-desc, .tags { grid-column: 2 / -1; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav .btn-sm { display: inline-flex; }
  .nav-toggle { display: none; }
  .nav-mobile { display: none !important; }

  .hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 0 clamp(2rem, 5vw, 5rem);
    align-items: end;
  }
  .hero .eyebrow { grid-column: 1 / -1; }
  .hero-title { margin-bottom: 0; }
  .hero-body { margin-left: 0; padding-bottom: .6rem; }

  .services { grid-template-columns: repeat(4, 1fr); }

  .cat { grid-template-columns: 5rem 1fr 1fr; gap: 0 3rem; padding: 3rem 0; }
  .cat:hover { padding-left: 1.25rem; }
  .cat-name { margin-bottom: 0; }
  .cat-desc { margin-top: 0; grid-column: 3 / 4; }
  .tags { grid-column: 2 / -1; margin-top: 1.75rem; }

  .project { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .project-visual { min-height: 100%; }
  .project-nacala { direction: rtl; }
  .project-nacala > * { direction: ltr; }

  .contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; }
  .contact-cards { grid-template-columns: 1fr; }
}

@media (min-width: 1280px) {
  .contact-cards { grid-template-columns: 1fr; }
}

/* =============================================================
   11. Reduced motion — only the intrusive stuff
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track,
  .marquee-track.is-dup {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .hero-in { animation: none; opacity: 1; transform: none; }
}