/* ============================================================
   MDESIGN - sistema visual
   Lenguaje: aproximación web al material "glass" (backdrop-filter
   + bordes interiores + highlights). No es Liquid Glass de Apple,
   que existe solo para plataformas Apple. Aquí es glassmorphism
   honesto con fallback sólido.
   Radios: controles = pill / superficies = 22px / inputs = 16px
   Acento único en toda la página: naranjo de marca.
   ============================================================ */

:root {
  color-scheme: dark light;

  --brand-deep: #0d3a46;
  --brand: #1a6d82;
  --brand-light: #3fa9c4;
  --accent: #ef7d2e;
  --accent-ink: #0a1519;

  --bg: #0a1519;
  --bg-2: #0d1e25;
  --bg-3: #112a33;
  --text: #edf3f4;
  --muted: #a3bac1;
  --line: rgb(255 255 255 / 0.1);

  --glass-bg: rgb(255 255 255 / 0.07);
  --glass-bg-strong: rgb(13 30 37 / 0.72);
  --glass-brd: rgb(255 255 255 / 0.16);
  --glass-hi: rgb(255 255 255 / 0.4);
  --glass-shadow: 0 24px 70px rgb(0 0 0 / 0.45);

  --r-surface: 22px;
  --r-input: 16px;
  --r-pill: 999px;

  --pad-section: clamp(4.5rem, 9vw, 8.5rem);
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1320px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="light"] {
  --bg: #f2f5f6;
  --bg-2: #ffffff;
  --bg-3: #e7edee;
  --text: #0a1e24;
  --muted: #4d6670;
  --line: rgb(10 30 36 / 0.12);

  --accent: #bf5410;
  --accent-ink: #ffffff;

  --glass-bg: rgb(255 255 255 / 0.62);
  --glass-bg-strong: rgb(255 255 255 / 0.82);
  --glass-brd: rgb(10 30 36 / 0.1);
  --glass-hi: rgb(255 255 255 / 0.9);
  --glass-shadow: 0 20px 50px rgb(10 30 36 / 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f2f5f6;
    --bg-2: #ffffff;
    --bg-3: #e7edee;
    --text: #0a1e24;
    --muted: #4d6670;
    --line: rgb(10 30 36 / 0.12);
    --accent: #bf5410;
    --accent-ink: #ffffff;
    --glass-bg: rgb(255 255 255 / 0.62);
    --glass-bg-strong: rgb(255 255 255 / 0.82);
    --glass-brd: rgb(10 30 36 / 0.1);
    --glass-hi: rgb(255 255 255 / 0.9);
    --glass-shadow: 0 20px 50px rgb(10 30 36 / 0.12);
  }
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 6rem; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Manrope", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  /* atmósfera de marca: dos focos suaves, fijos, sin costo de repintado */
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 82% -10%, rgb(26 109 130 / 0.38), transparent 60%),
    radial-gradient(50vw 50vw at 6% 108%, rgb(239 125 46 / 0.16), transparent 60%);
}

:root[data-theme="light"] body::before {
  background:
    radial-gradient(60vw 60vw at 82% -10%, rgb(26 109 130 / 0.14), transparent 60%),
    radial-gradient(50vw 50vw at 6% 108%, rgb(239 125 46 / 0.1), transparent 60%);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) body::before {
    background:
      radial-gradient(60vw 60vw at 82% -10%, rgb(26 109 130 / 0.14), transparent 60%),
      radial-gradient(50vw 50vw at 6% 108%, rgb(239 125 46 / 0.1), transparent 60%);
  }
}

h1, h2, h3, h4 {
  font-family: "Outfit", ui-sans-serif, system-ui, sans-serif;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.06;
  margin: 0;
  text-wrap: balance;
}

h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.5rem); letter-spacing: -0.02em; line-height: 1.2; }

p { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

.lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.175rem);
  max-width: 58ch;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  position: relative;
  z-index: 1;
}

section { position: relative; z-index: 1; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 var(--r-input) 0;
  z-index: 200;
  font-weight: 600;
}
.skip:focus { left: 0; }

:where(a, button, input, textarea, select, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- glass (aproximación web) ---------- */

.glass {
  position: relative;
  isolation: isolate;
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.14), rgb(255 255 255 / 0.03)),
    var(--glass-bg);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(26px) saturate(175%);
  -webkit-backdrop-filter: blur(26px) saturate(175%);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--glass-shadow);
  border-radius: var(--r-surface);
}

:root[data-theme="light"] .glass {
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.75), rgb(255 255 255 / 0.4)),
    var(--glass-bg);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .glass {
    background:
      linear-gradient(135deg, rgb(255 255 255 / 0.75), rgb(255 255 255 / 0.4)),
      var(--glass-bg);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .glass, .nav__bar, .sheet, .lightbox__frame {
    background: var(--glass-bg-strong) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

/* ---------- botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
  font-family: "Outfit", sans-serif;
  font-size: 0.975rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 0.85rem 1.5rem;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.35s var(--ease), background-color 0.3s var(--ease),
              box-shadow 0.35s var(--ease), border-color 0.3s var(--ease);
}
.btn svg { width: 1.15em; height: 1.15em; flex: none; }

.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 10px 30px rgb(239 125 46 / 0.28);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgb(239 125 46 / 0.36); }
.btn--primary:active { transform: translateY(0) scale(0.985); }

.btn--ghost {
  background: var(--glass-bg);
  border-color: var(--glass-brd);
  color: var(--text);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--text); }
.btn--ghost:active { transform: translateY(0) scale(0.985); }

.btn--sm { padding: 0.6rem 1.15rem; font-size: 0.9rem; }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 0.85rem var(--gutter);
}

/* Arriba del todo la barra es ancho completo y sin material: solo el
   contenido flotando sobre el video. Al bajar se contrae a la pildora
   de vidrio. El vidrio vive en ::before para poder fundirlo. */
.nav__bar {
  position: relative;
  max-width: 100%;
  margin-inline: auto;
  height: 72px;
  padding: 0 0.35rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  transition: max-width 0.65s var(--ease), padding 0.65s var(--ease),
              height 0.45s var(--ease);
}
.nav__bar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: var(--r-pill);
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.12), rgb(255 255 255 / 0.03)),
    var(--glass-bg-strong);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: inset 0 1px 0 var(--glass-hi), 0 12px 40px rgb(0 0 0 / 0.28);
  opacity: 0;
  transform: scale(0.985);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.nav.is-stuck .nav__bar {
  max-width: var(--max);
  height: 64px;
  padding: 0 0.6rem 0 1rem;
}
.nav.is-stuck .nav__bar::before { opacity: 1; transform: none; }

:root[data-theme="light"] .nav__bar::before { box-shadow: inset 0 1px 0 var(--glass-hi), 0 12px 32px rgb(10 30 36 / 0.1); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .nav__bar::before { box-shadow: inset 0 1px 0 var(--glass-hi), 0 12px 32px rgb(10 30 36 / 0.1); }
}

/* sobre el video el texto va en blanco, pase lo que pase con el tema */
.nav__brand b, .nav__brand-tx > span, .nav__links a, .icon-btn {
  transition: color 0.45s var(--ease), border-color 0.45s var(--ease),
              background-color 0.45s var(--ease);
}
.nav:not(.is-stuck) .nav__brand b,
.nav:not(.is-stuck) .nav__links a { color: #fff; }
.nav:not(.is-stuck) .nav__brand-tx > span { color: rgb(255 255 255 / 0.72); }
.nav:not(.is-stuck) .nav__links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
.nav:not(.is-stuck) .icon-btn {
  color: #fff;
  border-color: rgb(255 255 255 / 0.35);
  background: rgb(255 255 255 / 0.14);
}
.nav:not(.is-stuck) .icon-btn:hover { border-color: #fff; }

.nav__brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; flex: none; }

/* el isotipo es un disco oscuro: sobre fondo oscuro necesita su propia base clara */
.logomark {
  background: #fff;
  border-radius: 50%;
  padding: 2px;
  box-shadow: 0 2px 10px rgb(0 0 0 / 0.18);
}
.nav__brand .logomark { width: 40px; height: 40px; }
.nav__brand-tx { display: block; line-height: 1.15; }
.nav__brand b {
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  display: block;
}
.nav__brand-tx > span { color: var(--muted); font-size: 0.66rem; display: block; line-height: 1; letter-spacing: 0.09em; }

.nav__links { display: flex; align-items: center; gap: 1.6rem; margin-left: auto; }
.nav__links a {
  text-decoration: none;
  font-size: 0.925rem;
  color: var(--muted);
  transition: color 0.25s var(--ease);
}
.nav__links a:hover { color: var(--text); }

.nav__side { display: flex; align-items: center; gap: 0.5rem; margin-left: auto; }
.nav__links + .nav__side { margin-left: 1.25rem; }

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.icon-btn:hover { border-color: var(--text); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn svg { width: 19px; height: 19px; }
.nav__burger { display: none; }

/* el icono muestra el modo al que se cambia */
.ico-moon { display: none; }
:root[data-theme="light"] .ico-sun { display: none; }
:root[data-theme="light"] .ico-moon { display: block; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .ico-sun { display: none; }
  :root:not([data-theme="dark"]) .ico-moon { display: block; }
}
:root[data-theme="dark"] .ico-sun { display: block; }
:root[data-theme="dark"] .ico-moon { display: none; }

.sheet {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem var(--gutter);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
}
.sheet.is-open { display: flex; }
.sheet a {
  font-family: "Outfit", sans-serif;
  font-size: clamp(2rem, 9vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  text-decoration: none;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--line);
}
.sheet .btn { margin-top: 1.75rem; align-self: flex-start; }
.sheet__close { position: absolute; top: 1.5rem; right: var(--gutter); }

/* ---------- hero ---------- */

/* ---------- hero: secuencia avanzada por scroll ---------- */

.hero { position: relative; }
.hero__track { position: relative; height: 140vh; }
.hero__stage {
  position: sticky;
  top: 0;
  /* svh, no dvh: en iOS la unidad dvh cambia de valor mientras el navegador
     colapsa la barra de direcciones, y un elemento sticky de esa altura se
     relayoutea a mitad del scroll. Eso es el tirón. svh es constante. */
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
/* El video solo existe en telefono (ver el corte de 900px). */
.hero__vid { display: none; }

.hero__canvas,
.hero__poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__canvas { opacity: 0; transition: opacity 0.7s var(--ease); }
.hero__poster { transition: opacity 0.7s var(--ease); }
.hero__canvas.is-ready { opacity: 1; }

/* dos capas: la de arriba sostiene la legibilidad de la nav siempre.
   La de abajo existe solo mientras hay texto, y se va con el. */
.hero__scrim, .hero__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__scrim {
  background: linear-gradient(to bottom, rgb(5 16 20 / 0.55) 0%, rgb(5 16 20 / 0) 22%);
}
.hero__veil {
  background: linear-gradient(to bottom, rgb(5 16 20 / 0) 30%, rgb(5 16 20 / 0.42) 58%, rgb(5 16 20 / 0.72) 78%, rgb(5 16 20 / 0.92) 100%);
  will-change: opacity;
}

.hero__copy {
  position: relative;
  width: 100%;
  padding-bottom: clamp(3rem, 10vh, 6.5rem);
  will-change: opacity, transform;
}
.hero h1 {
  font-size: clamp(2.35rem, 4.4vw, 3.9rem);
  font-weight: 500;
  max-width: 15ch;
  color: #fff;
}
.hero .lead { color: rgb(240 246 247 / 0.86); }
.hero h1 em {
  font-style: italic;
  font-weight: 500;
  color: var(--brand-light);
  line-height: 1.1;
  padding-bottom: 0.08em;
  display: inline-block;
}
:root[data-theme="light"] .hero h1 em { color: var(--brand); }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .hero h1 em { color: var(--brand); }
}

.hero .lead { margin-top: 1.5rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2.25rem; }

/* sin movimiento: nada de scroll largo ni barrido, solo el primer cuadro */
@media (prefers-reduced-motion: reduce) {
  .hero__track { height: auto; }
  .hero__stage { position: relative; height: 100vh; height: 100svh; }
  .hero__canvas { display: none; }
}

/* ---------- servicios (bento) ---------- */

.section { padding-block: var(--pad-section); }
.section__head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }
.section__head p { margin-top: 1.1rem; }

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}
.tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-surface);
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  text-decoration: none;
  transition: transform 0.5s var(--ease);
}
.tile:hover { transform: translateY(-4px); }
.tile img,
.tile__vid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform 0.9s var(--ease);
}
.tile:hover img,
.tile:hover .tile__vid { transform: scale(1.04); }
.tile__vid { background: var(--bg-3); }
.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgb(5 16 20 / 0.88) 8%, rgb(5 16 20 / 0.28) 55%, rgb(5 16 20 / 0.06) 100%);
}
.tile--photo h3, .tile--photo p { color: #f3f7f8; }
.tile p { font-size: 0.925rem; margin-top: 0.4rem; color: rgb(243 247 248 / 0.78); max-width: 34ch; }

.tile--plain {
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.12), rgb(255 255 255 / 0.02)),
    var(--glass-bg);
  border: 1px solid var(--glass-brd);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  box-shadow: inset 0 1px 0 var(--glass-hi);
}
.tile--plain::after { display: none; }
.tile--plain p { color: var(--muted); }
.tile--plain h3 { color: var(--text); }
.tile__ico { width: 30px; height: 30px; color: var(--accent); margin-bottom: auto; }

.t-a { grid-column: span 4; min-height: 420px; }
.t-b { grid-column: span 2; min-height: 420px; }
.t-c { grid-column: span 2; min-height: 300px; }
.t-d { grid-column: span 4; min-height: 300px; }
.t-e { grid-column: span 3; }
.t-f { grid-column: span 3; }

/* ---------- galería ---------- */

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.75rem; }
.chip {
  font-family: "Outfit", sans-serif;
  font-size: 0.9rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-brd);
  background: var(--glass-bg);
  color: var(--muted);
  cursor: pointer;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}
.chip:hover { color: var(--text); border-color: var(--text); }
.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.grid-masonry { columns: 3; column-gap: 1rem; }
.shot {
  break-inside: avoid;
  margin-bottom: 1rem;
  padding: 0;
  border: 0;
  background: none;
  width: 100%;
  display: block;
  position: relative;
  border-radius: var(--r-surface);
  overflow: hidden;
  cursor: zoom-in;
  line-height: 0;
}
.shot img { width: 100%; transition: transform 0.8s var(--ease), filter 0.5s var(--ease); }
.shot:hover img { transform: scale(1.04); }
.shot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgb(255 255 255 / 0.08);
  pointer-events: none;
}
.shot[hidden] { display: none; }

.gallery__more { display: flex; justify-content: center; margin-top: 2.25rem; }
.gallery__empty {
  color: var(--muted);
  text-align: center;
  padding: 3rem 1rem;
  max-width: 44ch;
  margin-inline: auto;
}

/* ---------- proceso ---------- */

.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(270px, 1fr);
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}
.rail::-webkit-scrollbar { display: none; }
.rail { position: relative; }

/* linea que une los 4 pasos y se va llenando al entrar la seccion */
.rail__line {
  position: absolute;
  left: 2.55rem; right: 2.55rem; top: 3.5rem;
  height: 2px;
  background: var(--glass-brd);
  border-radius: 2px;
  pointer-events: none;
  z-index: 0;
}
.rail__line i {
  display: block; height: 100%; width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 1.5s cubic-bezier(.22,.61,.36,1);
}
.rail.is-on .rail__line i { width: 100%; }

.step {
  position: relative;
  z-index: 1;
  scroll-snap-align: start;
  padding: 1.75rem;
  display: grid;
  align-content: start;
  gap: 0.6rem;
  min-height: 250px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.rail.is-on .step { opacity: 1; transform: none; }
.rail.is-on .step[data-step="1"] { transition-delay: .00s; }
.rail.is-on .step[data-step="2"] { transition-delay: .18s; }
.rail.is-on .step[data-step="3"] { transition-delay: .36s; }
.rail.is-on .step[data-step="4"] { transition-delay: .54s; }

/* marca: icono dentro de un disco, con el numero al costado */
.step__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}
.step__ico {
  width: 44px; height: 44px;
  flex: none;
  padding: 10px;
  border-radius: 50%;
  color: var(--accent);
  background: var(--glass-bg);
  border: 1px solid var(--glass-brd);
  transform: scale(.7) rotate(-12deg);
  opacity: 0;
  transition: transform .55s cubic-bezier(.34,1.56,.64,1), opacity .4s var(--ease);
}
.rail.is-on .step__ico { transform: none; opacity: 1; }
.rail.is-on .step[data-step="1"] .step__ico { transition-delay: .10s; }
.rail.is-on .step[data-step="2"] .step__ico { transition-delay: .28s; }
.rail.is-on .step[data-step="3"] .step__ico { transition-delay: .46s; }
.rail.is-on .step[data-step="4"] .step__ico { transition-delay: .64s; }

.step__n {
  font-family: "Outfit", sans-serif;
  font-size: 1.55rem;
  line-height: 1;
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}
.rail.is-on .step__n { opacity: .9; transform: none; }
.rail.is-on .step[data-step="1"] .step__n { transition-delay: .16s; }
.rail.is-on .step[data-step="2"] .step__n { transition-delay: .34s; }
.rail.is-on .step[data-step="3"] .step__n { transition-delay: .52s; }
.rail.is-on .step[data-step="4"] .step__n { transition-delay: .70s; }

.step p { color: var(--muted); font-size: 0.95rem; }

/* sin movimiento: todo visible de entrada, nada se desplaza */
@media (prefers-reduced-motion: reduce) {
  .step, .step__ico, .step__n { opacity: 1; transform: none; transition: none; }
  .step__n { opacity: .9; }
  .rail__line i { width: 100%; transition: none; }
}

/* ---------- taller (banda full bleed) ---------- */

.band {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, rgb(6 18 22 / 0.92) 0%, rgb(6 18 22 / 0.62) 45%, rgb(6 18 22 / 0.2) 100%);
}
/* el panel vive siempre sobre foto oscura: no sigue el tema de la página */
.band__panel {
  max-width: 36rem;
  padding: clamp(1.75rem, 3vw, 2.75rem);
  background:
    linear-gradient(135deg, rgb(255 255 255 / 0.13), rgb(255 255 255 / 0.03)),
    rgb(8 22 27 / 0.55) !important;
  border-color: rgb(255 255 255 / 0.2);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.28), 0 24px 70px rgb(0 0 0 / 0.45);
}
.band__panel h2, .band__panel p, .band__panel li { color: #f2f7f8; }
.band__panel p { margin-top: 1.1rem; color: rgb(242 247 248 / 0.82); }
.mats { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; padding: 0; list-style: none; }
.mats li {
  font-size: 0.875rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--r-pill);
  border: 1px solid rgb(255 255 255 / 0.22);
  background: rgb(255 255 255 / 0.08);
}

/* ---------- cobertura ---------- */

.statement { text-align: center; display: grid; justify-items: center; gap: 1.5rem; }
.statement .logomark { width: 88px; height: 88px; padding: 4px; }
.statement h2 { max-width: 20ch; }
.statement .lead { margin-inline: auto; }

/* ---------- contacto ---------- */

.contact { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 1rem; align-items: start; }
.panel { padding: clamp(1.6rem, 3vw, 2.5rem); }

.field { display: grid; gap: 0.5rem; align-content: start; margin-bottom: 1.1rem; }
.field label { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.field input, .field select, .field textarea {
  font: inherit;
  font-size: 0.975rem;
  color: var(--text);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-input);
  padding: 0.85rem 1rem;
  width: 100%;
  transition: border-color 0.25s var(--ease);
}
.field textarea { min-height: 116px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: 1; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--muted); }
.field .hint { font-size: 0.82rem; color: var(--muted); }
.field.is-invalid input, .field.is-invalid textarea, .field.is-invalid select { border-color: #e2563f; }
.field .err { font-size: 0.82rem; color: #ff8a73; display: none; }
:root[data-theme="light"] .field .err { color: #a52b15; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .field .err { color: #a52b15; }
}
.field.is-invalid .err { display: block; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.data { display: grid; gap: 1.4rem; }
.data__item { display: grid; gap: 0.2rem; }
.data__item a { text-decoration: none; font-size: 1.05rem; font-family: "Outfit", sans-serif; }
.data__item a:hover { color: var(--accent); }
.data__item span { font-size: 0.85rem; color: var(--muted); }
.data__sep { height: 1px; background: var(--line); }

/* ---------- footer ---------- */

.foot { padding-block: 3rem 2.5rem; border-top: 1px solid var(--line); }
.foot__in { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; justify-content: space-between; }
.foot p, .foot a { font-size: 0.875rem; color: var(--muted); }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot__brand { display: flex; align-items: center; gap: 0.7rem; }
.foot__brand .logomark { width: 36px; height: 36px; }

/* ---------- whatsapp flotante ---------- */

.wa {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.3rem 0.85rem 1.05rem;
  border-radius: var(--r-pill);
  background: #1faa54;
  color: #fff;
  text-decoration: none;
  font-family: "Outfit", sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  box-shadow: 0 14px 38px rgb(31 170 84 / 0.4);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.wa:hover { transform: translateY(-3px); box-shadow: 0 20px 46px rgb(31 170 84 / 0.5); }
.wa:active { transform: translateY(0) scale(0.97); }
.wa svg { width: 22px; height: 22px; fill: currentColor; }

/* ---------- lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgb(4 12 15 / 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.lightbox.is-open { display: flex; }
.lightbox__frame { position: relative; max-width: min(1100px, 100%); }
.lightbox img {
  max-width: 100%;
  max-height: 82vh;
  max-height: 82svh;
  width: auto;
  border-radius: var(--r-surface);
  box-shadow: 0 30px 90px rgb(0 0 0 / 0.55);
}
.lightbox__cap { color: rgb(255 255 255 / 0.82); font-size: 0.9rem; margin-top: 0.9rem; text-align: center; }
.lightbox__nav { position: absolute; inset: 0; display: flex; align-items: center; justify-content: space-between; pointer-events: none; }
.lightbox__nav .icon-btn { pointer-events: auto; margin: 0 -1.25rem; background: rgb(255 255 255 / 0.14); color: #fff; border-color: rgb(255 255 255 / 0.25); }
.lightbox__close { position: fixed; top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); background: rgb(255 255 255 / 0.14); color: #fff; border-color: rgb(255 255 255 / 0.25); }

/* ---------- reveal ---------- */

.rv { opacity: 0; transform: translateY(26px); }
.rv.in { opacity: 1; transform: none; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .rv.in { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .grid-masonry { columns: 2; }
  .contact { grid-template-columns: 1fr; }
  .t-a, .t-b { grid-column: span 6; min-height: 320px; }
  .t-c, .t-d, .t-e { grid-column: span 2; }
  .t-f { grid-column: span 4; }
}

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__burger { display: grid; }
  .nav__cta { display: none; }
  .nav__brand-tx > span { display: none; }
  /* t-f incluido: se quedaba a media columna mientras el resto
     pasaba a ancho completo. */
  .t-c, .t-d, .t-e, .t-f { grid-column: span 6; min-height: 230px; }
  .band { min-height: 0; padding-block: var(--pad-section); }
  .wa span { display: none; }
  .wa { padding: 1rem; }
}

@media (max-width: 640px) {
  .grid-masonry { columns: 1; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .foot__in { flex-direction: column; align-items: flex-start; }
  .hero h1 { font-size: clamp(2.1rem, 8.8vw, 2.8rem); }
}

/* enlace de administracion: presente para quien lo busca, invisible
   para quien no. No compite con el boton de WhatsApp */
.foot__admin { color: var(--muted); text-decoration: none; opacity: .55; }
.foot__admin:hover, .foot__admin:focus-visible { opacity: 1; text-decoration: underline; }


/* ---------- rendimiento en movil ----------
   En telefono el compositor tiene que rehacer el desenfoque de la barra en
   cada cuadro del scroll. Bajar el radio y sacar la saturacion cuesta poco
   a la vista y quita trabajo al hilo grafico. */
/* El corte es 900px porque es el mismo que usa app.js para decidir si
   arma la secuencia. Si los dos numeros no calzan, entre medio queda un
   hero sin lienzo y con el track alto: media pantalla en blanco. */
@media (max-width: 900px) {
  /* Sin secuencia por scroll en telefono. El hero vuelve a ser una
     pantalla normal y el movimiento lo pone un video en loop. */
  .hero__track { height: auto; }
  .hero__stage { position: relative; height: 100vh; height: 100svh; }
  .hero__canvas, .hero__poster { display: none; }
  .hero__vid {
    display: block;
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
  }
  .hero__copy { opacity: 1 !important; transform: none !important; }
  .hero__veil { opacity: 1; }

  /* Sin desenfoques en telefono.

     Cada superficie con backdrop-filter obliga al navegador a releer y
     re-desenfocar lo que tiene detras en cada cuadro del scroll, y la
     pagina tiene nueve. En un iPhone eso no alcanza a resolverse a 60
     cuadros por segundo y el scroll avanza a saltos.

     Se reemplaza por el mismo fondo solido que ya se usa cuando el
     sistema pide menos transparencia: se pierde el desenfoque, que en
     una pantalla de 6 pulgadas casi no se percibe, y el scroll queda
     parejo. En escritorio el efecto glass se mantiene intacto. */
  .glass, .nav__bar, .nav__bar::before, .sheet, .lightbox,
  .lightbox__frame, .tile, .tile--plain, .chip, .icon-btn, .wa {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  .glass, .nav__bar::before, .sheet, .lightbox__frame {
    background: var(--glass-bg-strong) !important;
  }
  .lightbox { background: rgb(4 12 15 / 0.94) !important; }
}

/* El lienzo del hero es lo unico que se repinta durante el scroll: se le
   avisa al navegador para que lo mantenga en su propia capa. */
.hero__canvas { will-change: transform; transform: translateZ(0); }

/* Evita que el rebote del final arrastre a la pagina completa. */
html { overscroll-behavior-y: none; }