:root {
  --bg: #F7F4EE;
  --bg-alt: #F1EBDF;
  --bg-black: #131210;
  --ink: #1C1A17;
  --ink-soft: #66605A;
  --terracotta: #B5502F;
  --terracotta-dark: #96482F;
  --terracotta-light: #D69A78;
  --line: #DAD3C7;
  --line-on-black: rgba(242,238,230,0.22);
  --white: #FFFFFF;
  --cream: #F2EEE6;

  --font-display: Georgia, "Times New Roman", Times, serif;
  --font-mono: "Space Mono", "Courier New", monospace;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}

blockquote {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  margin: 0;
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--terracotta);
  margin: 0 0 0.9rem;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
  padding: 0 1.5rem;
}

.section-head h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); }

section { padding: 6.5rem 0; }

.on-black { background: var(--bg-black); color: var(--cream); }
.on-black h1, .on-black h2, .on-black h3 { color: var(--cream); }
.on-black .eyebrow { color: var(--terracotta-light); }

/* ---------- Buttons (square, v2 style) ---------- */
.btn-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.95rem 1.9rem;
  border: 1px solid var(--white);
  background: transparent;
  color: var(--white);
  border-radius: 0;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.btn:hover { background: var(--white); color: var(--ink); transform: translateY(-3px); box-shadow: 0 12px 24px -12px rgba(19,18,16,0.35); }
.btn:active { transform: translateY(-1px); }
.btn-fill { background: var(--white); color: var(--ink); }
.btn-fill:hover { background: var(--terracotta); border-color: var(--terracotta); color: var(--white); box-shadow: 0 12px 24px -10px rgba(181,80,47,0.5); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
  padding: 1.6rem 0;
}
.site-header.scrolled {
  background: rgba(247, 244, 238, 0.94);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 var(--line);
  padding: 1rem 0;
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink);
  transition: color 0.35s ease;
}

.main-nav { display: flex; gap: 2rem; }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.9;
  transition: color 0.35s ease, opacity 0.2s ease;
  position: relative;
}
.main-nav a:hover { opacity: 1; }
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 1px;
  background: var(--terracotta);
  transition: width 0.25s ease;
}
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { opacity: 1; }
.main-nav a.active::after { width: 100%; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  width: 22px; height: 1px;
  background: var(--ink);
  transition: background 0.35s ease, transform 0.3s ease, opacity 0.3s ease;
}

/* On pages that open with a full-bleed dark photo (service detail pages),
   the header starts light and switches to dark once scrolled past it. */
.site-header.on-dark:not(.scrolled) .logo { color: var(--white); }
.site-header.on-dark:not(.scrolled) .main-nav a { color: var(--white); }
.site-header.on-dark:not(.scrolled) .menu-toggle span { background: var(--white); }

/* ---------- Hero (v2 layout: centered text over grid texture + framed photos) ---------- */
.hero { padding: 9.5rem 0 5rem; overflow: hidden; position: relative; }
.grid-texture {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(28,26,23,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28,26,23,0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(480px circle at var(--glow-x, 50%) var(--glow-y, 30%), rgba(181,80,47,0.10), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  line-height: 1.08;
  max-width: 15ch;
  margin: 0 auto;
}
.hero-sub {
  max-width: 46ch;
  margin: 1.6rem auto 2.4rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.hero .btn-row { justify-content: center; }
.hero .btn, .hero .btn-fill { border-color: var(--ink); color: var(--ink); }
.hero .btn:hover { background: var(--ink); color: var(--bg); }
.hero .btn-fill { background: var(--ink); color: var(--bg); }
.hero .btn-fill:hover { background: var(--terracotta); border-color: var(--terracotta); color: var(--white); }

.hero-frames {
  max-width: var(--container);
  margin: 4.5rem auto 0;
  padding: 0 1.75rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  position: relative;
  z-index: 1;
}
.hero-frame {
  border: 1px solid var(--line);
  padding: 0.6rem;
  background: var(--bg);
}
.hero-frame img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-frame:hover img { transform: scale(1.04); }
.hero-frame:nth-child(2) { transform: translateY(-1.2rem); }

/* ---------- Page hero (service detail pages) ---------- */
.page-hero {
  position: relative;
  height: 62vh;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.page-hero img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.page-hero .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(15,11,9,0.75) 0%, rgba(15,11,9,0.4) 40%, rgba(15,11,9,0.1) 70%),
    linear-gradient(180deg, rgba(15,11,9,0.15) 0%, rgba(15,11,9,0.6) 100%);
}
.page-hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  padding: 0 1.75rem 3.5rem;
}
.page-hero-content .eyebrow { color: var(--terracotta-light); text-shadow: 0 2px 16px rgba(0,0,0,0.5); }
.page-hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.2rem);
  color: var(--white);
  max-width: 16ch;
  text-shadow: 0 4px 30px rgba(0,0,0,0.45);
}

.breadcrumb {
  display: block;
  padding: 1.6rem 1.75rem 0;
  max-width: var(--container);
  margin: 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.breadcrumb:hover { color: var(--terracotta); }

.page-intro {
  max-width: 720px;
  margin: 0 auto;
  padding: 4.5rem 1.75rem 1rem;
  text-align: center;
}
.page-intro p { color: var(--ink-soft); font-size: 1.08rem; margin: 0 0 1.1rem; }

.service-nav {
  max-width: var(--container);
  margin: 3.5rem auto 0;
  padding: 2.5rem 1.75rem 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.service-nav a {
  font-family: var(--font-display);
  font-size: 1.05rem;
}
.service-nav a:hover { color: var(--terracotta); }
.service-nav .next { text-align: right; }
.service-nav small {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.65rem;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}

/* ---------- About (on black, like v2) ---------- */
.about { background: var(--bg-black); color: var(--cream); }
.about-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4.5rem;
  align-items: center;
}
.about-image { border: 1px solid var(--line-on-black); padding: 0.6rem; }
.about-image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.about-text h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin-bottom: 1.3rem; color: var(--cream); }
.about-text p { color: rgba(242,238,230,0.78); margin: 0 0 1.1rem; max-width: 46ch; }
.about-text blockquote {
  margin-top: 1.6rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--terracotta);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--terracotta-light);
  max-width: 40ch;
}

/* ---------- Services (overlay tiles, v1 layout) ---------- */
.services { background: var(--bg-alt); }
.service-tiles {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.service-tile {
  position: relative;
  display: block;
  aspect-ratio: 5/4;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--line);
}
.service-tile img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-tile:hover img { transform: scale(1.06); }
.service-tile::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,8,7,0) 0%, rgba(10,8,7,0.1) 30%, rgba(10,8,7,0.55) 52%, rgba(10,8,7,0.94) 78%, rgba(10,8,7,0.97) 100%);
}
.service-tile-content {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 1.8rem;
  color: var(--white);
}
.tile-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--terracotta-light);
  margin-bottom: 0.4rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}
.service-tile h3 {
  font-size: clamp(1.4rem, 2.3vw, 1.9rem);
  color: var(--white);
  margin-bottom: 0.6rem;
  text-shadow: 0 2px 16px rgba(0,0,0,0.65);
}
.service-tile p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.92);
  max-width: 38ch;
  margin: 0 0 0.9rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}
.tile-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.55);
  padding-bottom: 2px;
  display: inline-block;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
  transition: border-color 0.25s ease;
}
.service-tile:hover .tile-link { border-color: var(--terracotta); }

/* ---------- Mosaic gallery (varied tile sizes, v1 layout, full color) ---------- */
.mosaic-grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.75rem;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 160px;
  grid-auto-flow: dense;
  gap: 0.9rem;
}
.mosaic-grid .m-item {
  position: relative;
  grid-column: span 2;
  grid-row: span 2;
  border-radius: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  cursor: pointer;
}
.mosaic-grid .m-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}
.mosaic-grid .m-item:hover img { transform: scale(1.06); opacity: 0.92; }
.mosaic-grid .m-wide { grid-column: span 4; }
.mosaic-grid .m-tall { grid-row: span 3; }
.mosaic-grid .m-big { grid-column: span 3; grid-row: span 3; }
.mosaic-grid .m-small { grid-column: span 2; grid-row: span 1; }

/* ---------- Services index (text list) ---------- */
.services-index {
  max-width: 920px;
  margin: 5rem auto 0;
  padding: 0 1.75rem;
  border-top: 1px solid var(--line);
}
.si-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s ease;
}
.si-row:hover { padding-left: 0.6rem; }
.si-left {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  min-width: 0;
}
.si-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--terracotta);
  flex-shrink: 0;
}
.si-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  transition: color 0.25s ease;
}
.si-row:hover .si-title { color: var(--terracotta); }
.si-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-soft);
  white-space: nowrap;
  flex-shrink: 0;
}
.si-arrow {
  font-size: 0.85rem;
  color: var(--ink-soft);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.si-row:hover .si-arrow { opacity: 1; transform: translateX(0); color: var(--terracotta); }

.lightbox {
  position: fixed; inset: 0;
  background: rgba(15, 12, 10, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 3rem 1.5rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 88vh; max-width: 92vw; border-radius: 0; border: 1px solid rgba(255,255,255,0.2); }
.lightbox-close {
  position: absolute;
  top: 1.5rem; right: 1.75rem;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.2rem;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Contact ---------- */
.contact { background: var(--bg-black); color: var(--cream); }
.contact-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.75rem;
  text-align: center;
}
.contact h2 {
  color: var(--cream);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin-bottom: 3rem;
}
.contact-links {
  display: flex;
  justify-content: center;
  gap: 3.5rem;
  flex-wrap: wrap;
}
.contact-links a {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.contact-links a:hover { border-color: var(--terracotta); }
.contact-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta-light);
}
.contact-value { font-family: var(--font-display); font-size: 1.2rem; }

/* ---------- Footer ---------- */
.site-footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2.2rem 1.75rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-soft);
}
.back-top { text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.7rem; }
.back-top:hover { color: var(--terracotta); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px) scale(0.985); transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .mosaic-grid { grid-template-columns: repeat(4, 1fr); grid-auto-rows: 130px; }
  .mosaic-grid .m-wide { grid-column: span 4; }
  .mosaic-grid .m-big { grid-column: span 4; grid-row: span 3; }
  .about-inner { grid-template-columns: 1fr; }
  .about-image { max-width: 420px; margin: 0 auto; }
  .hero-frames { gap: 0.9rem; }
}

@media (max-width: 720px) {
  section { padding: 4.5rem 0; }
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 1.8rem;
    padding: 2rem 2.5rem;
    transform: translateX(100%);
    transition: transform 0.4s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { color: var(--ink); font-size: 0.85rem; }
  .menu-toggle { display: flex; z-index: 1001; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .menu-toggle.open span { background: var(--ink); }

  .hero-frames { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .hero-frame:nth-child(2) { transform: none; }
  .service-tiles { grid-template-columns: 1fr; }
  .service-tile { aspect-ratio: 4/3.2; }
  .mosaic-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 150px; }
  .mosaic-grid .m-item, .mosaic-grid .m-wide, .mosaic-grid .m-big { grid-column: span 2; }
  .contact-links { gap: 2rem; }
  .site-footer { flex-direction: column; gap: 0.8rem; text-align: center; }
  .page-hero { height: 52vh; min-height: 360px; }
  .service-nav .next { text-align: left; }
  .si-row { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .si-arrow { display: none; }
}

/* ============================================================
   v4 — Hero con fotos flotantes
   ============================================================ */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4rem;
}

/* El texto va por encima de las fotos y no bloquea el mouse,
   salvo los botones. */
.hero-inner { z-index: 3; pointer-events: none; }
.hero-inner .btn-row { pointer-events: auto; }

/* Halo detrás del texto: separa el título de las fotos sin taparlas. */
.hero-inner::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: min(760px, 86vw); height: min(460px, 62vh);
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse closest-side at center,
              rgba(247,244,238,1) 0%,
              rgba(247,244,238,0.995) 18%,
              rgba(247,244,238,0.97) 30%,
              rgba(247,244,238,0.93) 39%,
              rgba(247,244,238,0.87) 47%,
              rgba(247,244,238,0.78) 54%,
              rgba(247,244,238,0.66) 61%,
              rgba(247,244,238,0.53) 68%,
              rgba(247,244,238,0.39) 75%,
              rgba(247,244,238,0.26) 82%,
              rgba(247,244,238,0.15) 88%,
              rgba(247,244,238,0.07) 93%,
              rgba(247,244,238,0.02) 97%,
              rgba(247,244,238,0) 100%);
  z-index: -1;
  pointer-events: none;
}

.hero-float {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  perspective: 1000px;

  /* Escala global de las fotos. Tocar sólo este número para agrandarlas
     o achicarlas todas a la vez, sin recalcular cada --w a mano. */
  --ff-scale: 1.19;
}

.ff {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: calc(var(--w) * var(--ff-scale, 1));
  margin: 0;
  /* --px/--py los escribe el JS (parallax del mouse);
     --sx/--sy vienen de la animación de deriva. */
  transform:
    translate(-50%, -50%)
    translate(var(--px, 0px), var(--py, 0px))
    translate(var(--sx, 0px), var(--sy, 0px))
    rotate(var(--rot, 0deg));
  will-change: transform;
  opacity: 0;
  animation:
    ff-in 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards,
    ff-drift var(--dur, 22s) ease-in-out infinite;
  animation-delay: var(--delay, 0s), var(--delay, 0s);
}

.ff img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  box-shadow: 0 18px 40px -16px rgba(28, 26, 23, 0.34);
}

/* Cada foto entra escalando apenas. */
@keyframes ff-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Deriva lenta: un pequeño recorrido propio, en píxeles, que se
   compone con el parallax sin pelearse con él. */
@keyframes ff-drift {
  0%,
  100% { --sx: 0px;   --sy: 0px; }
  25%  { --sx: 10px;  --sy: -14px; }
  50%  { --sx: -6px;  --sy: -22px; }
  75%  { --sx: -12px; --sy: -8px; }
}

/* Las custom properties sólo se pueden animar si están registradas. */
@property --sx { syntax: "<length>"; inherits: false; initial-value: 0px; }
@property --sy { syntax: "<length>"; inherits: false; initial-value: 0px; }

/* Tiempos distintos para que nunca queden sincronizadas. */
.ff-1  { --dur: 24s; --delay: 0.05s; }
.ff-2  { --dur: 19s; --delay: 0.30s; }
.ff-3  { --dur: 27s; --delay: 0.15s; }
.ff-4  { --dur: 21s; --delay: 0.45s; }
.ff-5  { --dur: 25s; --delay: 0.20s; }
.ff-6  { --dur: 18s; --delay: 0.55s; }
.ff-7  { --dur: 29s; --delay: 0.10s; }
.ff-8  { --dur: 20s; --delay: 0.60s; }
.ff-9  { --dur: 23s; --delay: 0.35s; }
.ff-10 { --dur: 17s; --delay: 0.50s; }

/* En pantallas medianas se achican y se corren hacia los bordes.
   0.76 = el 0.72 de antes, ya con el 5% extra incorporado. */
@media (max-width: 980px) {
  .hero-float { --ff-scale: 0.76; }
}

/* En celular no hay lugar para dispersarlas: el texto ocupa todo el ancho.
   Quedan sólo 4, chicas y ancladas a las esquinas, asomando desde el borde. */
@media (max-width: 720px) {
  .hero { min-height: 92svh; }

  .ff { display: none; }

  .ff-1, .ff-5, .ff-3, .ff-10 {
    display: block;
    width: 74px;
  }
  .ff-1  { --x: 0%;   --y: 13%; }
  .ff-5  { --x: 100%; --y: 10%; }
  .ff-3  { --x: 1%;   --y: 89%; }
  .ff-10 { --x: 99%;  --y: 85%; }

  .hero-inner::before { width: 100vw; height: 58vh; }
}

/* Respeta a quien pidió menos movimiento. */
@media (prefers-reduced-motion: reduce) {
  .ff { animation: ff-in 0.6s ease forwards; }
}

/* ============================================================
   v5 — El hero dura ~2 pantallas y las fotos suben al scrollear
   ============================================================ */

/* La sección pasa a ser una pista de scroll alta; lo que se ve es el
   .hero-sticky pegado arriba. Dos pantallas de alto = ~2 scrolls hasta
   que aparece la sección siguiente. */
.hero {
  height: 200svh;
  min-height: 0;
  display: block;
  padding: 0;
  /* Ojo: sticky no funciona si un ancestro tiene overflow hidden. */
  overflow: visible;
}

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* El halo del título vive ahora dentro del sticky. */
.hero-sticky > .hero-inner { width: 100%; }

/* Con 40 fotos cruzando, el texto necesita un respaldo más firme. */
.hero-inner::before {
  background: radial-gradient(ellipse closest-side at center,
              rgba(247,244,238,1) 0%,
              rgba(247,244,238,0.995) 18%,
              rgba(247,244,238,0.97) 30%,
              rgba(247,244,238,0.93) 39%,
              rgba(247,244,238,0.87) 47%,
              rgba(247,244,238,0.78) 54%,
              rgba(247,244,238,0.66) 61%,
              rgba(247,244,238,0.53) 68%,
              rgba(247,244,238,0.39) 75%,
              rgba(247,244,238,0.26) 82%,
              rgba(247,244,238,0.15) 88%,
              rgba(247,244,238,0.07) 93%,
              rgba(247,244,238,0.02) 97%,
              rgba(247,244,238,0) 100%);
}

/* Las fotos ya no derivan solas: el movimiento lo manda el scroll.
   Se deja sólo un balanceo mínimo para que no se vean congeladas. */
@keyframes ff-drift {
  0%, 100% { --sx: 0px;  --sy: 0px; }
  50%      { --sx: -5px; --sy: -6px; }
}

@media (max-width: 720px) {
  .hero { height: 190svh; }
  .hero-sticky { height: 92svh; }

    /* En 375 px las 6 columnas quedan a 60 px entre sí, y una foto de 60 px
       inclinada ocupa 72: se tocarían. En vez de achicarlas, se ocultan dos
       columnas intercaladas — las que quedan pasan a 90-120 px de distancia
       y las fotos entran holgadas. */
    .ff { display: none; }
    .ff[data-col="0"],
    .ff[data-col="2"],
    .ff[data-col="3"],
    .ff[data-col="5"] { display: block; width: 60px; }

  /* Halo más sólido: en celular las fotos pasan por encima del texto sí o sí. */
  .hero-inner::before {
    width: 118vw;
    height: 62vh;
    background: radial-gradient(ellipse closest-side at center,
              rgba(247,244,238,1) 0%,
              rgba(247,244,238,0.995) 18%,
              rgba(247,244,238,0.97) 30%,
              rgba(247,244,238,0.93) 39%,
              rgba(247,244,238,0.87) 47%,
              rgba(247,244,238,0.78) 54%,
              rgba(247,244,238,0.66) 61%,
              rgba(247,244,238,0.53) 68%,
              rgba(247,244,238,0.39) 75%,
              rgba(247,244,238,0.26) 82%,
              rgba(247,244,238,0.15) 88%,
              rgba(247,244,238,0.07) 93%,
              rgba(247,244,238,0.02) 97%,
              rgba(247,244,238,0) 100%);
  }
}

/* Las fotos se desvanecen al acercarse al header y al borde inferior,
   así ninguna se superpone al logo ni al menú mientras sube. */
.hero-float {
  -webkit-mask-image: linear-gradient(to bottom,
      transparent 0%, #000 13%, #000 94%, transparent 100%);
  mask-image: linear-gradient(to bottom,
      transparent 0%, #000 13%, #000 94%, transparent 100%);
}

/* Con 40 fotos cruzando hace falta un respaldo más ancho bajo el texto. */
.hero-inner::before {
  width: min(1060px, 96vw);
  height: min(640px, 78vh);
}