/* ============================================================
   BlockInnova — blockinnova.com
   Estilo: claro corporativo 2026 · blanco / negro / amarillo
   Generado desde la KB (kb/) — ver INSTRUCCIONES.md
   ============================================================ */

:root {
  --paper: #ffffff;
  --wash: #f6f6f2;
  --ink: #101010;
  --ink-2: #4b4b48;
  --ink-3: #8a8a85;
  --line: #e7e7e2;
  --accent: #f4b613;
  --accent-deep: #dda408;
  --accent-soft: #fbeec7;
  --radius: 18px;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --nav-h: 72px;
  --shadow-1: 0 1px 2px rgba(16, 16, 16, .04), 0 8px 24px rgba(16, 16, 16, .06);
  --shadow-2: 0 2px 4px rgba(16, 16, 16, .06), 0 16px 40px rgba(16, 16, 16, .12);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

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

a { color: inherit; }

::selection { background: var(--accent); color: var(--ink); }

.container {
  width: min(1160px, 92vw);
  margin-inline: auto;
}

/* ---------- Utilidades tipográficas ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 .5em;
  font-weight: 700;
  text-wrap: balance;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 1.1em;
}

.kicker::before {
  content: "";
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 4px;
  flex: none;
}

.section-title { font-size: clamp(1.9rem, 4vw, 2.9rem); max-width: 21ch; }

.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  color: var(--ink-2);
  max-width: 62ch;
}

.mark {
  background: linear-gradient(transparent 62%, var(--accent) 62%, var(--accent) 94%, transparent 94%);
  padding-inline: .06em;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: .85em 1.5em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  will-change: transform;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); }

.btn-accent { background: var(--accent); color: var(--ink); }
.btn-accent:hover { background: var(--accent-deep); }

.btn-dark { background: var(--ink); color: #fff; }

.btn-ghost { border-color: rgba(255, 255, 255, .55); color: #fff; backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); box-shadow: none; }

.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }

/* ---------- Navegación ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 50;
  display: flex;
  align-items: center;
  transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}

.nav.solid {
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  border-bottom-color: var(--line);
}

.nav-inner {
  width: min(1240px, 94vw);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
}

.brand .block {
  width: 22px; height: 22px;
  background: var(--accent);
  border-radius: 6px;
  box-shadow: inset -3px -3px 0 rgba(16, 16, 16, .18);
  flex: none;
}

.brand small {
  font-size: .62em;
  vertical-align: super;
  font-weight: 600;
}

.brand img { height: 44px; width: auto; display: block; }
footer .brand img { height: 40px; }

.group-title {
  display: flex;
  align-items: center;
  gap: .55em;
  font-size: 1.3rem;
  margin: 2.8rem 0 .25rem;
}

.group-title::before {
  content: "";
  width: 13px; height: 13px;
  background: var(--accent);
  border-radius: 4px;
  flex: none;
}

.group-title:first-of-type { margin-top: 0; }

.group-sub { color: var(--ink-2); font-size: .95rem; margin: 0 0 1.2rem; }

.product-grid + .group-title { margin-top: 2.8rem; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(.7rem, 2vw, 1.7rem);
  list-style: none;
  margin: 0; padding: 0;
}

.nav-links a:not(.btn) {
  text-decoration: none;
  font-weight: 500;
  font-size: .95rem;
  color: var(--ink);
  padding: .35em .1em;
  border-bottom: 2px solid transparent;
  transition: border-color .18s ease;
}

.nav-links a:not(.btn):hover { border-bottom-color: var(--accent); }

.nav-links .btn { padding: .55em 1.15em; font-size: .92rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 44px; height: 44px;
  cursor: pointer;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 0 0 0 var(--radius);
    box-shadow: var(--shadow-2);
    padding: 1.1rem 1.4rem 1.4rem;
    gap: .9rem;
    min-width: 230px;
    transform: translateX(110%);
    transition: transform .28s ease;
  }
  .nav.open .nav-links { transform: translateX(0); }
  .nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav.open { background: rgba(255,255,255,.96); }
}

/* ============================================================
   HÉROE — video controlado por scroll
   El alto del track se calcula en main.js según la duración
   del video (SCRUB_VH_PER_SECOND). Ver INSTRUCCIONES.md.
   ============================================================ */

.hero-track {
  position: relative;
  height: 350vh; /* valor inicial; main.js lo recalcula */
}

.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: #0e0e0e;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media video,
.hero-media .hero-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-fallback {
  /* la imagen se define inline en cada página (poster de su versión de video) */
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  display: none;
}

.video-failed .hero-fallback { display: block; }
.video-failed video { display: none; }

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(200deg, rgba(14, 14, 14, .10) 0%, rgba(14, 14, 14, 0) 45%),
    linear-gradient(180deg, rgba(14, 14, 14, .16) 0%, rgba(14, 14, 14, .02) 38%, rgba(14, 14, 14, .52) 100%);
}

.hero-progress {
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 5;
}

.hero-copy {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  z-index: 4;
}

.hero-copy .container {
  padding-bottom: clamp(4.5rem, 11vh, 8rem);
  position: relative;
}

.hero-stage {
  position: absolute;
  bottom: clamp(4.5rem, 11vh, 8rem);
  left: 0; right: 0;
  opacity: 0;
  transform: translateY(26px);
  pointer-events: none;
  will-change: opacity, transform;
}

.hero-stage.active { pointer-events: auto; }

/* Primera etapa visible desde el primer render (sin fade-in): da algo que
   leer de inmediato y evita la sensación de "pegado" mientras el video del
   héroe termina de cargar. main.js toma el control apenas arranca. */
.hero-stage[data-stage="s1"] { opacity: 1; transform: none; }

.hero-stage h1, .hero-stage p.h1like {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.4vw, 4.2rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 .35em;
  max-width: 18ch;
  text-shadow: 0 2px 24px rgba(0, 0, 0, .35);
  text-wrap: balance;
}

.hero-stage .hero-sub {
  font-size: clamp(1.02rem, 1.9vw, 1.3rem);
  color: rgba(255, 255, 255, .88);
  max-width: 52ch;
  margin: 0 0 1.4em;
  text-shadow: 0 1px 14px rgba(0, 0, 0, .35);
}

.hero-stage .accent-word {
  background: linear-gradient(transparent 66%, var(--accent) 66%, var(--accent) 96%, transparent 96%);
  color: #fff;
  padding-inline: .04em;
}

.hero-cta { display: flex; gap: .8rem; flex-wrap: wrap; }

.hero-hint {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  color: rgba(255, 255, 255, .85);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  transition: opacity .4s ease;
}

.hero-hint .chev {
  width: 10px; height: 10px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  animation: chev 1.6s ease-in-out infinite;
}

@keyframes chev {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 1; }
  50% { transform: rotate(45deg) translate(5px, 5px); opacity: .35; }
}

.hero-track.started .hero-hint { opacity: 0; }

/* Fallback sin JS / con reduced-motion */

.no-motion .hero-track { height: auto !important; }
.no-motion .hero-sticky { position: relative; }
.no-motion .hero-stage { position: relative; bottom: auto; opacity: 1 !important; transform: none !important; pointer-events: auto; display: none; }
.no-motion .hero-stage[data-final] { display: block; }
.no-motion .hero-copy { position: absolute; }
.no-motion .hero-copy .container { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.no-motion .hero-hint { display: none; }

/* ---------- Secciones ---------- */

section { padding: clamp(4rem, 9vw, 7rem) 0; }

.section-head { margin-bottom: clamp(2.2rem, 5vw, 3.6rem); }

.alt { background: var(--wash); }

/* Manifiesto */

.manifesto .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
  margin-top: 2.6rem;
}

.tenet {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.tenet:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); }

.tenet .n {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .85rem;
  color: var(--ink);
  background: var(--accent);
  width: 30px; height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  margin-bottom: .9rem;
}

.tenet h3 { font-size: 1.08rem; margin-bottom: .35em; }
.tenet p { margin: 0; color: var(--ink-2); font-size: .95rem; }

/* Productos */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.1rem;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-1); border-color: #dcdcd4; }

.card-media {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--wash), #ecece7);
  margin-bottom: .35rem;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.card:hover .card-media img { transform: scale(1.04); }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}

.card h3 { font-size: 1.25rem; margin: 0; }

.badge {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .38em .8em;
  border-radius: 999px;
  white-space: nowrap;
  flex: none;
}

.badge-available { background: var(--accent); color: var(--ink); }
.badge-dev { background: var(--ink); color: #fff; }
.badge-paused { background: #ecece7; color: var(--ink-2); border: 1px solid var(--line); }

.card p { margin: 0; color: var(--ink-2); font-size: .95rem; flex: 1; }

.card .note { font-size: .82rem; color: var(--ink-3); flex: 0; }

.card a.domain {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .88rem;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 2px solid var(--accent);
  align-self: flex-start;
  padding-bottom: .1em;
  transition: background .15s ease;
}

.card a.domain:hover { background: var(--accent-soft); }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.4rem;
  margin: 0 0 1.8rem;
  font-size: .85rem;
  color: var(--ink-2);
  align-items: center;
}

.legend .badge { font-size: .62rem; }

/* Servicios */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}

.service {
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  background: #fff;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.service::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--accent);
}

.service h3 { font-size: 1.3rem; }
.service .tagline { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin-bottom: .4rem; }
.service p { color: var(--ink-2); margin: 0; }

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-top: 2.4rem;
}

.chip {
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 600;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  padding: .45em 1.05em;
  background: #fff;
  transition: background .15s ease;
}

.chip:hover { background: var(--accent); }

/* Proceso */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
  counter-reset: paso;
}

.step {
  background: #171717;
  color: #f2f2ee;
  border-radius: var(--radius);
  padding: 2rem 1.7rem;
  position: relative;
}

.step .big {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: .8rem;
}

.step h3 { color: #fff; font-size: 1.2rem; }
.step p { color: #c9c9c2; margin: 0; font-size: .95rem; }

/* Alianzas */

.allies {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.ally {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem 1.1rem;
  background: #fff;
  min-width: 190px;
  transition: transform .2s ease, box-shadow .2s ease;
}

.ally:hover { transform: translateY(-3px); box-shadow: var(--shadow-1); }

.ally img { height: 64px; width: auto; max-width: 150px; object-fit: contain; }

.ally figcaption {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .82rem;
  color: var(--ink-2);
  text-align: center;
}

/* Contacto */

.contact {
  background: #101010;
  color: #f4f4ef;
}

.contact .kicker { color: #b9b9b2; }
.contact .section-title { color: #fff; }
.contact .lead { color: #c9c9c2; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 2.6rem;
}

.contact-item {
  border: 1px solid #2b2b2b;
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  text-decoration: none;
  color: #f4f4ef;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
  display: block;
}

a.contact-item:hover { border-color: var(--accent); background: #181818; transform: translateY(-3px); }

.contact-item .label {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: .5rem;
}

.contact-item .value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.04rem;
  word-break: break-word;
}

.contact-item .hint { font-size: .85rem; color: #9a9a93; margin-top: .35rem; }

/* Footer */

footer {
  background: #0b0b0b;
  color: #8f8f88;
  padding: 2.4rem 0 2.8rem;
  font-size: .88rem;
}

footer .foot-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  justify-content: space-between;
  align-items: center;
}

footer .brand { color: #fff; font-size: 1.05rem; }
footer a { color: #c5c5be; text-decoration: none; }
footer a:hover { color: var(--accent); }
footer ul { list-style: none; display: flex; gap: 1.4rem; margin: 0; padding: 0; flex-wrap: wrap; }

/* ---------- Página Nosotros ---------- */

.page-hero {
  padding: calc(var(--nav-h) + clamp(3rem, 8vw, 5.5rem)) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(900px 420px at 85% -10%, var(--accent-soft), transparent 60%),
    var(--wash);
}

.page-hero h1 { font-size: clamp(2.3rem, 5.5vw, 3.6rem); max-width: 16ch; }

.page-hero-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 4rem);
}

.page-hero .hero-logo {
  width: clamp(150px, 20vw, 240px);
  height: auto;
  flex: none;
  filter: drop-shadow(0 12px 30px rgba(16, 16, 16, .10));
}

@media (max-width: 760px) {
  .page-hero .hero-logo { display: none; }
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
}

.founder {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: clamp(1.6rem, 4vw, 3.4rem);
  align-items: start;
}

@media (max-width: 860px) { .founder { grid-template-columns: 1fr; } }

.founder-photo {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #171717 55%, #262626);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.founder-photo img { width: 100%; height: 100%; object-fit: cover; }

.founder-photo .initials {
  font-family: var(--font-display);
  font-size: 4.6rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--accent);
  width: 128px; height: 128px;
  border-radius: 28px;
  display: grid;
  place-items: center;
}

.mv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.1rem;
}

.mv {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 2rem 1.8rem;
}

.mv h3 { display: flex; align-items: center; gap: .6rem; }
.mv h3::before { content: ""; width: 14px; height: 14px; border-radius: 4px; background: var(--accent); }
.mv p { color: var(--ink-2); margin: 0; }

/* ---------- Animaciones de aparición ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-hint .chev { animation: none; }
}