/* ============================================================
   TECMAIN · Radios Móviles — Sistema visual
   Estética: premium, minimalista, cinematográfica, clara
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Manrope:wght@300;400;500;600;700&display=swap');

:root {
  /* Color */
  --bg:            #F4F7F6;
  --bg-2:          #ECF1F0;
  --surface:       #FFFFFF;
  --ink:           #14201E;
  --ink-soft:      #54625F;
  --ink-faint:     #8A9794;

  --turquoise:      #0E8C82;   /* primario dominante */
  --turquoise-deep: #0A655E;
  --turquoise-tint: #DCEEEB;
  --turquoise-glow: rgba(14,140,130,0.28);

  --olive:          #B5B330;   /* acento oliva apagado */
  --olive-soft:     #C9C76A;
  --olive-glow:     rgba(181,179,48,0.30);

  --line:          rgba(20,32,30,0.10);
  --line-strong:   rgba(20,32,30,0.18);

  /* Tipografía */
  --display: 'Bebas Neue', 'Oswald', Impact, sans-serif;
  --body:    'Manrope', system-ui, sans-serif;

  /* Métricas */
  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 80px);
  --radius: 18px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  overflow-x: clip;
}

::selection { background: var(--turquoise); color: #fff; }

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

/* ---------- Tipografía base ---------- */
.display {
  font-family: var(--display);
  font-weight: 400;
  text-transform: uppercase;
  line-height: 0.92;
  letter-spacing: 0.01em;
  margin: 0;
}

.eyebrow {
  font-family: var(--body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--turquoise);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--turquoise);
  display: inline-block;
}
.eyebrow.olive { color: var(--olive); }
.eyebrow.olive::before { background: var(--olive); }
.eyebrow.center::after {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

p { color: var(--ink-soft); text-wrap: pretty; }

/* ---------- Layout helpers ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
  width: 100%;
}

.section {
  padding-block: clamp(80px, 12vh, 160px);
  position: relative;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--gutter);
  transition: background .5s var(--ease), backdrop-filter .5s var(--ease), padding .5s var(--ease), box-shadow .5s var(--ease);
}
.nav.scrolled {
  background: rgba(244,247,246,0.82);
  backdrop-filter: blur(18px) saturate(140%);
  padding-block: 14px;
  box-shadow: 0 1px 0 var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: auto;
  height: 44px;
}
.wordmark {
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--ink);
}
.wordmark b { color: var(--turquoise); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 38px;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a {
  color: var(--ink-soft);
  letter-spacing: 0.01em;
  position: relative;
  transition: color .3s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1.5px;
  background: var(--turquoise);
  transition: width .35s var(--ease);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

/* pestaña Catálogo destacada */
.nav-links a.nav-catalogo {
  color: var(--turquoise-deep);
  font-weight: 600;
  border: 1px solid var(--turquoise);
  border-radius: 100px;
  padding: 8px 18px;
  transition: background .3s var(--ease), color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav-links a.nav-catalogo::after { display: none; }
.nav-links a.nav-catalogo:hover {
  background: var(--turquoise);
  color: #fff;
  box-shadow: 0 8px 22px -10px var(--turquoise-glow);
}

.nav-cta {
  font-family: var(--body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 11px 22px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  display: none;
  align-items: center;
  transition: all .35s var(--ease);
}
.nav-cta:hover {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(20,32,30,0.06);
}

.nav-burger { display: none; }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  font-family: var(--body);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 16px 32px;
  border-radius: 100px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: none;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), background .4s var(--ease);
  position: relative;
  isolation: isolate;
}
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }

.btn-primary {
  background: var(--turquoise);
  color: #fff;
  box-shadow: 0 10px 30px -10px var(--turquoise-glow);
}
.btn-primary:hover {
  background: var(--turquoise-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px var(--turquoise-glow), 0 0 0 1px var(--turquoise);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--olive);
  color: var(--ink);
  box-shadow: 0 0 24px -4px var(--olive-glow);
  transform: translateY(-2px);
}

.btn-olive {
  background: var(--olive);
  color: #1a1a08;
  box-shadow: 0 10px 30px -10px var(--olive-glow);
}
.btn-olive:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 44px -8px var(--olive-glow);
}

/* ============================================================
   HERO  (scroll-driven)
   ============================================================ */
.hero-track {
  position: relative;
  height: 320vh;            /* pista de scroll */
}
.hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  padding-inline: var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}

/* halo ambiental */
.hero-ambient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 50% 42%, rgba(220,238,235,0.9) 0%, rgba(244,247,246,0) 60%),
    radial-gradient(40% 40% at 78% 75%, var(--olive-glow) 0%, rgba(244,247,246,0) 55%);
  pointer-events: none;
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(70% 70% at 50% 45%, #000 0%, transparent 75%);
          mask-image: radial-gradient(70% 70% at 50% 45%, #000 0%, transparent 75%);
  opacity: .5;
  pointer-events: none;
}

/* copy del hero */
.hero-copy {
  position: relative;
  z-index: 6;
  max-width: 600px;
  will-change: opacity, transform;
}
.hero-copy .eyebrow {
  margin-bottom: 24px;
  background: rgba(14,140,130,0.08);
  border: 1px solid rgba(14,140,130,0.30);
  padding: 8px 18px;
  border-radius: 100px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero-title {
  font-size: clamp(44px, 6vw, 96px);
  line-height: 0.96;
  color: var(--ink);
}
.hero-title .tq { color: var(--turquoise); }
.hero-sub {
  font-size: 18px;
  max-width: 400px;
  margin: 26px 0 36px;
  color: var(--ink-soft);
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* etiqueta de modelo, esquina */
.hero-model {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
  font-family: var(--body);
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--ink-faint);
  z-index: 6;
}

/* escenario de la radio */
.radio-stage {
  position: relative;
  z-index: 4;
  justify-self: center;
  width: min(42vw, 460px);
  height: 80vh;
  display: grid;
  place-items: center;
  will-change: transform;
}
.radio-shadow {
  position: absolute;
  bottom: 9%;
  left: 50%;
  width: 60%;
  height: 40px;
  transform: translateX(-50%);
  background: radial-gradient(50% 50% at 50% 50%, rgba(20,32,30,0.22), transparent 70%);
  filter: blur(6px);
  z-index: -1;
}
.radio-slot {
  width: 100%;
  height: 100%;
  --img-bg: transparent;
  filter: drop-shadow(0 40px 60px rgba(10,60,55,0.20));
}
/* imágenes apiladas del radio (cross-fade frontal -> 3/4) */
.radio-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 50px 60px rgba(10,60,55,0.22));
  will-change: opacity;
}
/* imágenes rellenas al 100% */
.radio-slot { display: block; }

/* callouts de características */
.callout {
  position: absolute;
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 14px;
  opacity: 0;
  will-change: opacity, transform;
  pointer-events: none;
}
.callout .dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--turquoise);
  background: var(--surface);
  position: relative;
  flex: none;
}
.callout .dot::after {
  content: "";
  position: absolute; inset: 3px;
  border-radius: 50%;
  background: var(--turquoise);
}
.callout .line {
  height: 1px;
  width: 64px;
  background: linear-gradient(90deg, var(--turquoise), transparent);
}
.callout .label {
  background: rgba(255,255,255,0.94);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px -12px rgba(10,60,55,0.25);
  border-radius: 12px;
  padding: 10px 16px;
  min-width: 150px;
}
.callout .label .k {
  display: block;
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1;
}
.callout .label .v {
  display: block;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 5px;
  line-height: 1.35;
}
/* posiciones — todos los pines a lo largo del eje del radio, etiqueta a la derecha */
.callout.c-antena   { top: 7%;  left: 55%; }
.callout.c-control  { top: 29%; left: 57%; }
.callout.c-pantalla { top: 49%; left: 57%; }
.callout.c-bateria  { top: 75%; left: 55%; }

/* indicador de scroll */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  will-change: opacity;
}
.scroll-hint .mouse {
  width: 22px; height: 36px;
  border: 1.5px solid var(--ink-faint);
  border-radius: 12px;
  position: relative;
}
.scroll-hint .mouse::after {
  content: "";
  position: absolute;
  top: 6px; left: 50%;
  width: 3px; height: 7px;
  border-radius: 2px;
  background: var(--ink-faint);
  transform: translateX(-50%);
  animation: wheel 1.6s var(--ease) infinite;
}
@keyframes wheel {
  0% { opacity: 0; transform: translate(-50%, 0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 10px); }
}

/* Mano móvil — oculta en escritorio */
.hand-icon { display: none; }

@keyframes hand-bounce {
  0%, 100% { transform: translateY(0); }
  45%       { transform: translateY(9px); }
  65%       { transform: translateY(5px); }
}

/* ============================================================
   REVEAL (scroll fade-up)
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }
.reveal.d4 { transition-delay: .32s; }

/* Variante: desliza desde la izquierda */
.reveal-left {
  opacity: 0;
  transform: translateX(-48px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal-left.in { opacity: 1; transform: none; }
.reveal-left.d1 { transition-delay: .10s; }
.reveal-left.d2 { transition-delay: .20s; }
.reveal-left.d3 { transition-delay: .30s; }
.reveal-left.d4 { transition-delay: .40s; }
.reveal-left.d5 { transition-delay: .50s; }

/* ============================================================
   INTRO / FRASE PUENTE
   ============================================================ */
.statement {
  text-align: center;
  background: var(--surface);
  border-top: 1px solid var(--line);
}
.statement .big {
  font-family: var(--body);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 18ch;
  margin: 0 auto;
  color: var(--ink);
}
.statement .big em {
  font-style: normal;
  color: var(--turquoise);
}

/* cursor del efecto de tipeo */
.statement .big .caret {
  display: inline-block;
  width: 3px;
  height: 0.92em;
  margin-left: 6px;
  vertical-align: -1px;
  background: var(--turquoise);
  animation: caret-blink 0.9s steps(1) infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

/* ============================================================
   SERVICIOS
   ============================================================ */
.services { background: var(--surface); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(44px, 6vw, 88px);
  color: var(--ink);
  max-width: 14ch;
}
.section-head .lead {
  max-width: 340px;
  font-size: 16px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 40px 34px 46px;
  position: relative;
  transition: background .5s var(--ease);
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 120% at 50% 0%, var(--turquoise-tint), transparent 60%);
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.service:hover::before { opacity: 1; }
.service > * { position: relative; }
.service .ic {
  width: 46px; height: 46px;
  color: var(--turquoise);
  margin-bottom: 56px;
  transition: transform .5s var(--ease), color .5s var(--ease);
}
.service:hover .ic { transform: translateY(-4px); color: var(--turquoise-deep); }
.service .num {
  position: absolute;
  top: 34px; right: 30px;
  font-family: var(--display);
  font-size: 18px;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
}
.service h3 {
  font-family: var(--display);
  font-size: 34px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin: 0 0 18px;
  color: var(--ink);
  line-height: 1.04;
  overflow-wrap: break-word;
}
.service p { font-size: 14.5px; margin: 0; }

/* ============================================================
   CINE — video scroll-scrub (efecto Apple)
   ============================================================ */
.cine-track {
  position: relative;
  height: 320vh;
  background: #060B0A;
}
.cine-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: #060B0A;
}
.cine-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}
.cine-video.ready { opacity: 1; }

/* viñeta + degradados para legibilidad del texto */
.cine-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6,11,10,0.55) 0%, rgba(6,11,10,0.15) 30%, rgba(6,11,10,0.35) 70%, rgba(6,11,10,0.85) 100%),
    radial-gradient(120% 90% at 50% 50%, transparent 40%, rgba(6,11,10,0.6) 100%);
}
/* sutil halo turquesa de marca */
.cine-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 50% 95%, rgba(14,140,130,0.28), transparent 60%);
  mix-blend-mode: screen;
}
.cine-grain { display: none; }

.cine-content {
  position: absolute;
  left: 0; right: 0;
  bottom: 12vh;
  z-index: 3;
  padding-inline: var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}
.cine-eyebrow {
  justify-content: center;
  color: #fff;
  margin-bottom: 22px;
  background: rgba(14,140,130,0.38);
  border: 1px solid rgba(14,140,130,0.65);
  padding: 8px 20px;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  letter-spacing: 0.22em;
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.cine-eyebrow.in { opacity: 1; transform: none; }
.cine-eyebrow::before { background: #fff; }
.cine-title {
  font-size: clamp(52px, 8.5vw, 150px);
  color: #fff;
  line-height: 0.9;
}
.cine-title .tq { color: var(--turquoise); }
.cine-line { display: block; overflow: hidden; }
.cine-line-i {
  display: block;
  transform: translateY(110%);
  opacity: 0;
  transition: transform 1s var(--ease), opacity 1s var(--ease);
}
.cine-line:nth-child(2) .cine-line-i { transition-delay: .12s; }
.cine-title.in .cine-line-i { transform: none; opacity: 1; }
.cine-sub {
  color: rgba(255,255,255,0.78);
  font-size: clamp(15px, 1.5vw, 19px);
  max-width: 52ch;
  margin: 26px auto 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s var(--ease) .3s, transform 1s var(--ease) .3s;
}
.cine-title.in ~ .cine-sub { opacity: 1; transform: none; }

/* barra de progreso del scrub */
.cine-progress {
  position: absolute;
  left: 50%;
  bottom: 5vh;
  transform: translateX(-50%);
  width: min(280px, 40vw);
  height: 2px;
  background: rgba(255,255,255,0.18);
  border-radius: 2px;
  z-index: 3;
  overflow: hidden;
}
.cine-progress-bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--turquoise), var(--olive-soft));
  border-radius: 2px;
}

/* ============================================================
   MARCAS
   ============================================================ */
.marcas { background: var(--bg); }
.marcas-head { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.marcas-head .eyebrow { display: inline-flex; margin-bottom: 22px; }
.marcas-head .eyebrow::after {
  content: ""; width: 28px; height: 1px; background: currentColor; display: inline-block;
}
.marcas-head h2 { font-size: clamp(40px, 5.5vw, 84px); color: var(--ink); }
.marcas-head .lead { margin: 22px auto 0; font-size: 16px; max-width: 560px; }

.brand-featured {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 28px;
  transition: box-shadow .5s var(--ease), transform .5s var(--ease);
}
.brand-featured:hover {
  box-shadow: 0 24px 60px -28px rgba(10,60,55,0.4);
  transform: translateY(-3px);
}
.brand-featured .logo-wrap {
  display: grid;
  place-items: center;
  padding: 56px 48px;
  border-right: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 50% 0%, var(--turquoise-tint), transparent 65%),
    var(--surface);
}
.brand-featured .info {
  padding: 48px clamp(40px, 4vw, 60px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.badge-dealer {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--turquoise);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 15px;
  border-radius: 100px;
}
.badge-dealer::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--olive-soft);
}
.brand-featured .info h3 {
  font-family: var(--display);
  font-size: clamp(40px, 4.4vw, 64px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
  line-height: 1.06;
  margin: 0;
}
.brand-featured .info p { font-size: 16px; margin: 0; max-width: 44ch; }

.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.brand-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 26px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  transition: box-shadow .5s var(--ease), transform .5s var(--ease), border-color .5s var(--ease);
}
.brand-card:hover {
  box-shadow: 0 18px 44px -22px rgba(10,60,55,0.35);
  transform: translateY(-5px);
  border-color: var(--turquoise);
}
.brand-logo {
  width: 100%;
  height: 78px;
  display: grid;
  place-items: center;
}
.brand-logo img {
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter .5s var(--ease), opacity .5s var(--ease);
  width: 100%; height: 100%; object-fit: contain;
}
.brand-card:hover .brand-logo img { filter: none; opacity: 1; }
.brand-card .bname {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.01em;
}
.brand-card .btag {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: -10px;
}

/* ============================================================
   USOS  (Minería / Energía)
   ============================================================ */
.usos { background: var(--bg); overflow: hidden; }
.usos-head { text-align: center; margin-bottom: 70px; }
.usos-head h2 { font-size: clamp(44px, 6.5vw, 100px); color: var(--ink); }
.usos-head .lead { max-width: 540px; margin: 22px auto 0; }

.usos-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 28px;
  align-items: stretch;
}
.usos-feature {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 560px;
  background: var(--bg-2);
}
.usos-feature img.slot-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.usos-feature .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(8,20,18,0.72) 100%);
  pointer-events: none;
}
.usos-feature .cap {
  position: absolute;
  left: 32px; bottom: 30px; right: 32px;
  z-index: 2;
  color: #fff;
}
.usos-feature .cap .t {
  font-family: var(--display);
  font-size: clamp(32px, 3.6vw, 50px);
  letter-spacing: 0.03em;
  line-height: 1.06;
  margin-bottom: 18px;
}
.usos-feature .cap p { color: rgba(255,255,255,0.82); max-width: 42ch; margin: 0; }

.usos-side { display: grid; grid-template-rows: 1fr 1fr; gap: 28px; }
.uso-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 266px;
  background: var(--bg-2);
}
.uso-card img.slot-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.uso-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8,20,18,0.7) 100%);
}
.uso-card .cap {
  position: absolute; left: 26px; bottom: 24px; right: 26px; z-index: 2; color: #fff;
}
.uso-card .cap .t {
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: 0.03em;
  line-height: 1.05;
  margin-bottom: 8px;
}
.uso-card .cap p { color: rgba(255,255,255,0.8); font-size: 13.5px; margin: 0; }

.usos-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 72px;
  border-top: 1px solid var(--line);
  padding-top: 48px;
}
.stat .n {
  font-family: var(--display);
  font-size: clamp(48px, 6vw, 84px);
  color: var(--turquoise);
  line-height: 0.9;
}
.stat .n small { color: var(--olive); }
.stat .l {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-top: 10px;
  letter-spacing: 0.02em;
}

/* ============================================================
   HISTORIA
   ============================================================ */
.historia { background: var(--surface); }
.historia-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
}
.historia-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-2);
}
.historia-media img.slot-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.historia-media .badge {
  position: absolute;
  top: 24px; left: 24px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  padding: 9px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--turquoise);
}
.historia-copy h2 {
  font-size: clamp(40px, 5vw, 78px);
  color: var(--ink);
  margin: 22px 0 26px;
  max-width: 12ch;
}
.historia-copy p { font-size: 16px; margin: 0 0 18px; }
.historia-copy .signature {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.historia-copy .signature .av {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--turquoise-tint);
  display: grid; place-items: center;
  font-family: var(--display); font-size: 20px; color: var(--turquoise-deep);
}
.historia-copy .signature .nm { font-weight: 600; color: var(--ink); font-size: 15px; }
.historia-copy .signature .rl { font-size: 13px; color: var(--ink-faint); }

/* ============================================================
   ARRIENDO
   ============================================================ */
.arriendo {
  background: var(--bg);
  padding-block: clamp(40px, 6vw, 80px);
  overflow: hidden;
}
.arriendo-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 60px -20px rgba(20,32,30,0.14);
}

/* Imagen a ancho completo respetando ratio 16:9 */
.arriendo-media {
  display: block;
  width: 100%;
  line-height: 0;
  transform: scale(1.04);
  opacity: 0;
  transition: transform 1.6s var(--ease) .15s, opacity 1.2s var(--ease) .15s;
}
.arriendo.in .arriendo-media {
  transform: scale(1);
  opacity: 1;
}
.arriendo-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Texto superpuesto sobre el espacio vacío izquierdo de la imagen */
.arriendo-copy {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 44%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: clamp(28px, 4vw, 60px) clamp(32px, 4.5vw, 64px);
  z-index: 2;
}
.arriendo-copy .eyebrow { color: var(--turquoise); }
.arriendo-copy .eyebrow::before { background: var(--turquoise); }
.arriendo-copy h2 {
  font-size: clamp(38px, 4.4vw, 78px);
  color: var(--ink);
  line-height: 0.95;
}
.arriendo-copy h2 .tq { color: var(--turquoise); }
.arriendo-copy p {
  color: var(--ink-soft);
  font-size: clamp(14px, 1.2vw, 17px);
  max-width: 36ch;
  margin: 0;
}
.arriendo-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.arriendo-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-soft);
  font-size: clamp(13px, 1.1vw, 16px);
}
.arriendo-list .check {
  color: var(--turquoise);
  font-size: 16px;
  font-weight: 700;
  flex: none;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta {
  background: var(--ink);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 60% at 50% 0%, rgba(14,140,130,0.45), transparent 60%),
    radial-gradient(40% 50% at 85% 100%, var(--olive-glow), transparent 55%);
  pointer-events: none;
}
.cta .wrap { position: relative; }
.cta .eyebrow { color: var(--olive); }
.cta .eyebrow::before { background: var(--olive); }
.cta h2 {
  font-size: clamp(54px, 8vw, 132px);
  color: #fff;
  margin: 24px 0 0;
}
.cta h2 .tq { color: var(--turquoise); }
.cta p {
  color: rgba(255,255,255,0.72);
  max-width: 44ch;
  margin: 26px auto 40px;
  font-size: 17px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.3); }
.cta .btn-ghost:hover { border-color: var(--olive); box-shadow: 0 0 28px -4px var(--olive-glow); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 70px var(--gutter) 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-top {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 50px;
  flex-wrap: wrap;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer .wordmark { color: #fff; font-size: 34px; }
.footer .wordmark b { color: var(--turquoise); }
.footer-brand p { color: rgba(255,255,255,0.55); max-width: 30ch; margin: 16px 0 0; font-size: 14px; }
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-top: 26px;
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.82);
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color .3s var(--ease);
}
.footer-contact a svg { width: 19px; height: 19px; flex: none; }
.footer-contact .fc-wa svg { color: var(--turquoise); }
.footer-contact .fc-mail svg { color: var(--olive-soft); }
.footer-contact a:hover { color: #fff; }
.footer-cols { display: flex; gap: 70px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--olive); margin: 0 0 18px; font-weight: 600;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  margin-bottom: 12px;
  transition: color .3s var(--ease);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: var(--maxw);
  margin: 26px auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.02em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-copy { max-width: 60vw; }
  .historia-layout { grid-template-columns: 1fr; }
  .historia-media { aspect-ratio: 4/5; max-width: 420px; width: 100%; margin-inline: auto; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }

  /* Burger visible + animación a X */
  .nav-burger {
    display: flex; flex-direction: column; justify-content: center;
    gap: 5px; cursor: pointer; background: none; border: none; padding: 6px;
    z-index: 101;
  }
  .nav-burger span {
    width: 24px; height: 2px; background: var(--ink); display: block;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
    transform-origin: center;
  }
  .nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* Menú desplegable */
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0;
    padding-top: 90px;
    padding-bottom: 32px;
    padding-inline: var(--gutter);
    background: rgba(244,247,246,0.97);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 40px -8px rgba(20,32,30,0.14);
    z-index: 100;
    gap: 0;
  }
  .nav-links.open a {
    font-size: 17px;
    font-weight: 500;
    color: var(--ink-soft);
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    text-align: left;
    transition: color .2s var(--ease);
  }
  .nav-links.open a:last-child { border-bottom: none; }
  .nav-links.open a:hover { color: var(--ink); }
  .nav-links.open a.nav-catalogo {
    color: var(--turquoise-deep);
    font-weight: 700;
    border: none;
    border-bottom: 1px solid var(--line);
    padding: 16px 0;
    border-radius: 0;
    background: none;
  }
  .nav-links.open a::after { display: none; }

  /* CTA dentro del menú desplegable */
  .nav-mobile-cta {
    display: none;
  }
  .nav-links.open .nav-mobile-cta {
    display: block;
    margin-top: 20px;
    background: var(--turquoise);
    color: #fff !important;
    text-align: center;
    padding: 16px !important;
    border-radius: 100px;
    font-size: 15px !important;
    font-weight: 600 !important;
    border-bottom: none !important;
    border: none !important;
  }
  .nav-links.open .nav-mobile-cta:hover {
    background: var(--turquoise-deep);
    color: #fff !important;
  }

  .hero-track { height: 280vh; }
  .hero-sticky { grid-template-columns: 1fr; max-width: none; padding-inline: 0; }

  /* Radio ocupa toda la pantalla como fondo */
  .radio-stage {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    z-index: 2;
  }
  .radio-shadow { display: none; }
  .callout { display: none; }

  /* Degradado oscuro en la mitad inferior para que el texto sea legible */
  .hero-sticky::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to top,
      rgba(8,20,18,0.96) 0%,
      rgba(8,20,18,0.80) 32%,
      rgba(8,20,18,0.30) 58%,
      transparent 78%
    );
    z-index: 3;
    pointer-events: none;
  }

  /* Texto anclado al fondo, encima del degradado */
  .hero-copy {
    position: absolute;
    left: 0; right: 0;
    bottom: 9%;
    top: auto;
    transform: none;
    text-align: center;
    max-width: none;
    padding-inline: var(--gutter);
    z-index: 4;
  }
  .hero-title { color: #fff; }
  .hero-copy .eyebrow {
    justify-content: center;
    color: #fff;
    background: rgba(14,140,130,0.55);
    border-color: rgba(14,140,130,0.80);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  .hero-copy .eyebrow::before { background: #fff; }
  .hero-sub { color: rgba(255,255,255,0.80); margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-actions .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.35); }
  .hero-model { display: none; }

  /* Scroll hint en móvil: mano en lugar del mouse, más abajo */
  .scroll-hint {
    bottom: 14px;
    z-index: 5;
    color: rgba(255,255,255,0.75);
  }
  .scroll-hint .mouse { display: none; }
  .hand-icon {
    display: block;
    width: 28px; height: 28px;
    color: rgba(255,255,255,0.85);
    animation: hand-bounce 1.8s ease-in-out infinite;
  }

  .arriendo-inner { margin-inline: 16px; }
  .arriendo-copy {
    position: static;
    width: 100%;
    padding: 36px 28px 44px;
    background: #EAEAEA;
  }

  .usos-layout { grid-template-columns: 1fr; }
  .usos-feature { min-height: 420px; }
  .usos-stats { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-featured { grid-template-columns: 1fr; }
  .brand-featured .logo-wrap { border-right: none; border-bottom: 1px solid var(--line); padding: 44px; }
  .brand-featured .info { padding: 36px 40px 40px; }
  .brands-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .brand-card { padding: 24px 16px 20px; gap: 10px; }
  .brand-logo { height: 56px; overflow: hidden; }
  .brand-logo img { max-height: 56px; }
  .brand-card .bname { font-size: 15px; }
  .brand-card .btag { font-size: 12px; margin-top: -4px; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .hero-title { font-size: clamp(48px, 15vw, 80px); }
  .services-grid { grid-template-columns: 1fr; }
  .usos-stats { grid-template-columns: 1fr 1fr; }
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}