/* =========================================================
   CELLTRONIK CENTER — DESIGN TOKENS
   Paleta: navy profundo + doble acento (cian señal / ámbar carga)
   Tipografía: Space Grotesk (display) · Manrope (cuerpo) · IBM Plex Mono (datos)
   ========================================================= */
:root{
  --bg: #0A0E17;
  --bg-elevated: #10192B;
  --bg-elevated-2: #142138;
  --line: rgba(230, 238, 250, 0.09);
  --text: #EAF1FB;
  --text-muted: #93A1BC;
  --text-dim: #5D6B87;

  --cyan: #21E1FF;
  --cyan-dim: rgba(33, 225, 255, 0.14);
  --amber: #FFB238;
  --amber-dim: rgba(255, 178, 56, 0.14);

  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --ease: cubic-bezier(.22,1,.36,1);
}

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

p{ margin: 0; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
button{ font-family: inherit; cursor: pointer; }

:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}
.eyebrow__dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-dim);
}

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14.5px;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s, border-color .3s, color .3s;
  white-space: nowrap;
}
.btn--primary{
  background: linear-gradient(135deg, var(--cyan), #57e9ff 60%, var(--cyan));
  color: #051019;
  box-shadow: 0 8px 24px -8px rgba(33,225,255,.55);
}
.btn--primary:hover{ transform: translateY(-3px); box-shadow: 0 14px 30px -8px rgba(33,225,255,.7); }

.btn--outline{
  border-color: rgba(234,241,251,.25);
  color: var(--text);
}
.btn--outline:hover{ border-color: var(--amber); color: var(--amber); transform: translateY(-3px); }

.btn--ghost{
  border-color: var(--line);
  color: var(--text);
  background: rgba(255,255,255,.02);
}
.btn--ghost:hover{ border-color: var(--cyan); color: var(--cyan); }

.btn--sm{ padding: 10px 20px; font-size: 13px; }
.btn--lg{ padding: 18px 38px; font-size: 16px; }

/* =========================================================
   PRELOADER
   ========================================================= */
.preloader{
  position: fixed; inset: 0; z-index: 999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s var(--ease);
}
.preloader.is-hidden{ opacity: 0; visibility: hidden; pointer-events: none; }

.preloader__phone{
  width: 120px; height: 220px;
  border: 3px solid rgba(234,241,251,.18);
  border-radius: 26px;
  padding: 10px;
  box-shadow: 0 0 60px -10px rgba(33,225,255,.25);
}
.preloader__screen{
  height: 100%;
  border-radius: 16px;
  background: var(--bg-elevated);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
}
.preloader__logo{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  color: var(--cyan);
  letter-spacing: 0.05em;
}
.preloader__bar{
  width: 70%; height: 4px; border-radius: 4px;
  background: rgba(234,241,251,.1);
  overflow: hidden;
}
.preloader__bar span{
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  border-radius: 4px;
  transition: width .2s linear;
}
.preloader__pct{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* =========================================================
   NAV
   ========================================================= */
.nav{
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(10,14,23,.6);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .4s, background .4s;
}
.nav.is-scrolled{ border-color: var(--line); background: rgba(10,14,23,.85); }

.nav__inner{
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 28px;
}

.nav__brand{ display: flex; align-items: center; gap: 10px; margin-right: auto; }
.nav__brand-mark{
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  color: #04101a; font-family: var(--font-display); font-weight: 700; font-size: 14px;
}
.nav__brand-text{ font-family: var(--font-display); font-weight: 600; font-size: 16.5px; }
.nav__brand-text em{ font-style: normal; color: var(--cyan); }

.nav__links{ display: flex; gap: 26px; }
.nav__links a{
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  position: relative; padding: 4px 0;
  transition: color .25s;
}
.nav__links a::after{
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--cyan);
  transition: width .3s var(--ease);
}
.nav__links a:hover{ color: var(--text); }
.nav__links a:hover::after{ width: 100%; }

.nav__actions{ display: flex; align-items: center; gap: 16px; }

.battery-indicator{
  display: flex; align-items: center; gap: 8px;
  background: none; border: none; color: var(--text-muted);
  padding: 4px;
}
.battery-indicator__shell{ color: var(--text-dim); }
.battery-indicator__pct{ font-family: var(--font-mono); font-size: 12px; width: 34px; text-align: left; }

.nav__cta{ display: inline-flex; }

.nav__burger{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 34px; height: 30px; background: none; border: none;
}
.nav__burger span{ height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav__burger[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 130px 28px 60px;
  overflow: hidden;
}

.hero__bg{ position: absolute; inset: 0; z-index: 0; }
.hero__grid{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(234,241,251,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234,241,251,.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 40%, transparent 85%);
}
.hero__orb{
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  animation: orb-float 14s ease-in-out infinite;
}
.hero__orb--cyan{ width: 420px; height: 420px; background: var(--cyan); top: -120px; right: 8%; }
.hero__orb--amber{ width: 320px; height: 320px; background: var(--amber); bottom: -80px; left: 4%; animation-delay: -6s; }
@keyframes orb-float{
  0%,100%{ transform: translate(0,0); }
  50%{ transform: translate(-30px, 30px); }
}

.hero__inner{
  position: relative; z-index: 1;
  max-width: 1240px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px;
  align-items: center;
}

.hero__title{
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  font-weight: 600;
  margin: 18px 0 22px;
}
.hero__title-accent{ color: var(--cyan); }
.hero__title-accent--amber{ color: var(--amber); }

.hero__subtitle{
  font-size: 17px; color: var(--text-muted);
  max-width: 46ch; margin-bottom: 32px;
}

.hero__actions{ display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.hero__cities{ display: flex; gap: 10px; }
.city-pill{
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.02);
  color: var(--text-muted); font-size: 13px; font-weight: 600;
  transition: all .3s var(--ease);
}
.city-pill__dot{ width: 6px; height: 6px; border-radius: 50%; background: var(--text-dim); transition: background .3s; }
.city-pill--active, .city-pill:hover{ color: var(--text); border-color: var(--cyan); }
.city-pill--active .city-pill__dot, .city-pill:hover .city-pill__dot{ background: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-dim); }

/* ---- phone mock ---- */
.hero__device{ position: relative; display: flex; justify-content: center; }
.phone-mock{
  position: relative; z-index: 1;
  width: min(300px, 78vw);
  aspect-ratio: 9/18.5;
  background: linear-gradient(155deg, #3a4150, #14171f 35%, #1c2029 65%, #454c5b);
  border-radius: 50px;
  border: 1px solid rgba(234,241,251,.18);
  padding: 5px;
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,.65),
    0 0 0 1px rgba(255,255,255,.02),
    inset 0 0 0 1px rgba(255,255,255,.06);
  animation: phone-drift 7s ease-in-out infinite;
}
@keyframes phone-drift{ 0%,100%{ transform: translateY(0) rotate(-1deg); } 50%{ transform: translateY(-14px) rotate(1deg); } }

/* metallic side buttons */
.phone-mock__btn{
  position: absolute; background: linear-gradient(90deg, #4a5261, #23272f); z-index: 0;
  box-shadow: inset 0 0 1px rgba(255,255,255,.3);
}
.phone-mock__btn--mute{ left: -2px; top: 17%; width: 3px; height: 4%; border-radius: 2px 0 0 2px; }
.phone-mock__btn--vol-up{ left: -2px; top: 24%; width: 3px; height: 8%; border-radius: 2px 0 0 2px; }
.phone-mock__btn--vol-down{ left: -2px; top: 34%; width: 3px; height: 8%; border-radius: 2px 0 0 2px; }
.phone-mock__btn--power{ right: -2px; top: 26%; width: 3px; height: 11%; border-radius: 0 2px 2px 0; }

.phone-mock__screen{
  position: relative; height: 100%; border-radius: 46px; overflow: hidden;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg));
  display: flex; flex-direction: column;
  box-shadow: inset 0 0 0 2px rgba(0,0,0,.5);
}

.phone-mock__statusbar{
  position: relative; z-index: 4; flex-shrink: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px 4px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--text);
}
.phone-mock__sysicons{ display: inline-flex; align-items: center; gap: 4px; color: var(--text); }
.phone-mock__island{
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 72px; height: 20px; background: #000; border-radius: 12px;
  display: flex; align-items: center; justify-content: flex-end; padding-right: 8px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.04);
}
.phone-mock__cam{
  width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #3a4a5c, #05080f 70%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.06);
}

.phone-mock__sheen{
  position: absolute; inset: 0; z-index: 5; pointer-events: none;
  background: linear-gradient(115deg, rgba(255,255,255,.10) 0%, rgba(255,255,255,0) 18%, rgba(255,255,255,0) 78%, rgba(255,255,255,.05) 100%);
}

.phone-mock__glow{
  position: absolute; inset: 10% -20% auto -20%; height: 70%;
  background: radial-gradient(ellipse at center, var(--cyan-dim), transparent 70%);
  filter: blur(30px); z-index: 0;
}

.chat-app{ display: flex; flex-direction: column; height: 100%; min-height: 0; }
.chat-app__header{
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px 12px; border-bottom: 1px solid var(--line);
}
.chat-app__avatar{
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #04101a;
}
.chat-app__name{ font-size: 12.5px; font-weight: 700; }
.chat-app__status{ font-size: 10.5px; color: var(--text-dim); display: flex; align-items: center; gap: 5px; }
.dot-online{ width: 6px; height: 6px; border-radius: 50%; background: #35e07a; display: inline-block; }

.chat-app__body{
  flex: 1; padding: 14px; display: flex; flex-direction: column; gap: 8px;
  overflow: hidden;
}
.chat-bubble{
  max-width: 82%; padding: 8px 12px; border-radius: 14px;
  font-size: 11.5px; line-height: 1.4;
  opacity: 0; transform: translateY(8px);
  animation: bubble-in .5s var(--ease) forwards;
}
.chat-bubble--in{ align-self: flex-start; background: var(--bg-elevated-2); border-bottom-left-radius: 4px; }
.chat-bubble--out{ align-self: flex-end; background: var(--cyan-dim); color: var(--text); border-bottom-right-radius: 4px; }
@keyframes bubble-in{ to{ opacity: 1; transform: translateY(0); } }

.chat-app__input{
  margin: 8px 14px 16px; padding: 10px 12px; border-radius: 999px;
  background: var(--bg-elevated-2); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 11px; color: var(--text-dim);
}
.chat-app__input svg{ color: var(--cyan); }

.hero__scroll-cue{
  position: relative; z-index: 1;
  margin: 40px auto 0; display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase;
}
.hero__scroll-cue-line{ width: 1px; height: 40px; background: var(--line); position: relative; overflow: hidden; }
.hero__scroll-cue-line i{
  position: absolute; top: -40px; left: 0; width: 100%; height: 40%;
  background: linear-gradient(var(--cyan), transparent);
  animation: cue-drop 2s ease-in-out infinite;
}
@keyframes cue-drop{ 0%{ top: -40%; } 100%{ top: 100%; } }

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 22px 0; overflow: hidden; background: var(--bg-elevated);
}
.marquee__track{
  display: flex; gap: 60px; width: max-content;
  animation: marquee-scroll 24s linear infinite;
}
.marquee__track span{
  font-family: var(--font-display); font-size: 20px; font-weight: 600;
  color: var(--text-dim); white-space: nowrap;
}
@keyframes marquee-scroll{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }

/* =========================================================
   SECTION SHELL
   ========================================================= */
.section{ padding: 110px 28px; max-width: 1240px; margin: 0 auto; }
.section--alt{ max-width: none; background: var(--bg-elevated); }
.section--alt > *{ max-width: 1240px; margin-left: auto; margin-right: auto; }

.section__head{ max-width: 640px; margin-bottom: 56px; }
.section__title{ font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 600; margin-bottom: 14px; }
.section__desc{ color: var(--text-muted); font-size: 16px; }

/* ---------- reveal on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* =========================================================
   SERVICIOS
   ========================================================= */
.service-grid{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.service-card{
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: transform .4s var(--ease), border-color .4s;
  position: relative; overflow: hidden;
}
.service-card::before{
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(200px circle at var(--mx,50%) var(--my,0%), var(--cyan-dim), transparent 70%);
  opacity: 0; transition: opacity .4s;
}
.service-card:hover::before{ opacity: 1; }
.service-card:hover{ transform: translateY(-6px); border-color: rgba(33,225,255,.35); }
.service-card__icon{
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim); color: var(--cyan); margin-bottom: 18px;
  position: relative; z-index: 1;
}
.service-card h3{ font-size: 18px; margin-bottom: 8px; position: relative; z-index: 1; }
.service-card p{ color: var(--text-muted); font-size: 14.5px; position: relative; z-index: 1; }
.service-card__tag{
  display: inline-block; margin-top: 16px;
  font-family: var(--font-mono); font-size: 11px; color: var(--amber);
  border: 1px solid var(--amber-dim); background: var(--amber-dim);
  padding: 4px 10px; border-radius: 999px; position: relative; z-index: 1;
}

/* =========================================================
   ACCESIBILIDAD — skip link
   ========================================================= */
.skip-link{
  position: absolute; left: 12px; top: -60px;
  background: var(--cyan); color: #051019; font-weight: 700;
  padding: 12px 18px; border-radius: 10px; z-index: 1000;
  transition: top .25s var(--ease);
}
.skip-link:focus{ top: 12px; }

/* =========================================================
   BARRA DE CONFIANZA
   ========================================================= */
.trust-bar{
  background: var(--bg-elevated-2);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  white-space: nowrap;
}
.trust-bar__track{
  display: inline-flex; align-items: center; gap: 14px;
  padding: 9px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  width: 100%;
  justify-content: center;
  flex-wrap: wrap;
}
.trust-bar__item{ display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.trust-bar__item strong{ color: var(--text); }
.trust-bar__stars{ color: var(--amber); letter-spacing: 1px; }
.trust-bar__sep{ color: var(--text-dim); }
@media (max-width: 720px){
  .trust-bar__track{ justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

/* =========================================================
   GARANTÍAS
   ========================================================= */
.guarantee-grid{
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px;
}
.guarantee-card{
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 24px 20px;
  transition: transform .4s var(--ease), border-color .4s;
}
.guarantee-card:hover{ transform: translateY(-5px); border-color: rgba(255,178,56,.35); }
.guarantee-card__icon{
  width: 42px; height: 42px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--amber-dim); color: var(--amber); margin-bottom: 14px;
}
.guarantee-card h3{ font-size: 15.5px; margin-bottom: 6px; }
.guarantee-card p{ color: var(--text-muted); font-size: 13.5px; }
@media (max-width: 980px){ .guarantee-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .guarantee-grid{ grid-template-columns: 1fr; } }

/* =========================================================
   COTIZADOR RÁPIDO
   ========================================================= */
.configurator{
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 24px;
}
.configurator__fields{
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.configurator__field{ display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: var(--text-muted); }
.configurator__field select{
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: var(--font-body); font-size: 14.5px;
}
.configurator__field select:disabled{ opacity: .5; cursor: not-allowed; }
.configurator__result{
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  border-top: 1px solid var(--line); padding-top: 22px;
  animation: product-in .5s var(--ease) both;
}
.configurator__result-label{ display: block; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.configurator__result-price{ font-family: var(--font-display); font-size: 28px; font-weight: 600; color: var(--cyan); }
@media (max-width: 720px){ .configurator__fields{ grid-template-columns: 1fr; } }

/* =========================================================
   CATALOGO — filtros por marca y condición
   ========================================================= */
.section__note{ display: block; margin-top: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }

.catalog-brand-tabs{ display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.brand-tab{
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text-muted); font-size: 14px; font-weight: 700;
  transition: all .3s var(--ease);
}
.brand-tab:hover{ border-color: var(--cyan); color: var(--text); }
.brand-tab--active{ background: var(--cyan); border-color: var(--cyan); color: var(--bg); }

.catalog-condition-filters{ display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 36px; }
.catalog-condition-label{ font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; margin-right: 2px; }
.condition-chip{
  padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--text-muted); font-size: 12.5px; font-weight: 700;
  transition: all .3s var(--ease);
}
.condition-chip:hover{ border-color: var(--amber); color: var(--text); }
.condition-chip--active{ background: var(--amber); border-color: var(--amber); color: #1a0f00; }

/* =========================================================
   CATALOGO — productos
   ========================================================= */
.product-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.product-card{
  border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg);
  transition: transform .45s var(--ease), border-color .3s, opacity .35s, box-shadow .4s;
  display: flex; flex-direction: column;
}
.product-card:hover{ transform: translateY(-8px); border-color: rgba(33,225,255,.3); box-shadow: 0 20px 40px -20px rgba(0,0,0,.6); }
.product-card.is-hidden{ display: none; }

.product-card__media{
  height: 150px; position: relative;
  display: flex; align-items: flex-end; justify-content: flex-start;
  background-size: 200% 200%;
  transition: background-position 1.2s var(--ease);
}
.product-card:hover .product-card__media{ background-position: 100% 100%; }

.product-card__media--phone-1{ background-image: linear-gradient(135deg, #10263d, #21E1FF3d, #10263d); }
.product-card__media--phone-2{ background-image: linear-gradient(135deg, #123420, #7CFF573d, #123420); }
.product-card__media--phone-3{ background-image: linear-gradient(135deg, #2c1c0d, #FFB2383d, #2c1c0d); }
.product-card__media--phone-4{ background-image: linear-gradient(135deg, #241633, #C084FC3d, #241633); }
.product-card__media--phone-5{ background-image: linear-gradient(135deg, #0f2a3a, #57e9ff3d, #0f2a3a); }
.product-card__media--acc-1{ background-image: linear-gradient(135deg, #2a1010, #ff6b6b33, #2a1010); }
.product-card__media--acc-2{ background-image: linear-gradient(135deg, #2c2409, #FFB23833, #2c2409); }
.product-card__media--acc-3{ background-image: linear-gradient(135deg, #101f2c, #21E1FF33, #101f2c); }
.product-card__media--rep-1{ background-image: linear-gradient(135deg, #1a1a2c, #8a8aff33, #1a1a2c); }
.product-card__media--rep-2{ background-image: linear-gradient(135deg, #24160d, #FFB23833, #24160d); }

.product-card__media::after{
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,.35));
}

.product-card__icon{
  position: absolute; inset: 0; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
  opacity: .92;
  transition: transform .45s var(--ease);
}
.product-card__icon svg{ filter: drop-shadow(0 8px 18px rgba(0,0,0,.45)); }
.product-card:hover .product-card__icon{ transform: translateY(-4px) scale(1.05); }

.product-card__media--phone-1 .product-card__icon,
.product-card__media--acc-3 .product-card__icon{ color: #21E1FF; }
.product-card__media--phone-2 .product-card__icon{ color: #7CFF57; }
.product-card__media--phone-3 .product-card__icon,
.product-card__media--acc-2 .product-card__icon,
.product-card__media--rep-2 .product-card__icon{ color: #FFB238; }
.product-card__media--phone-4 .product-card__icon{ color: #C084FC; }
.product-card__media--phone-5 .product-card__icon{ color: #57e9ff; }
.product-card__media--acc-1 .product-card__icon{ color: #ff6b6b; }
.product-card__media--rep-1 .product-card__icon{ color: #8a8aff; }

.product-card__badge{
  position: relative; z-index: 1; margin: 12px;
  font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(255,255,255,.1); color: var(--text); backdrop-filter: blur(4px);
}
.product-card__badge--new{ background: var(--cyan-dim); color: var(--cyan); }
.product-card__badge--cert{ background: rgba(124,255,87,.14); color: #7cff57; }
.product-card__badge--exh{ background: var(--amber-dim); color: var(--amber); }
.product-card__badge--used{ background: rgba(124,255,87,.14); color: #7cff57; }
.product-card__badge--rep{ background: var(--amber-dim); color: var(--amber); }

.product-card__body{ padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card__cat{ font-family: var(--font-mono); font-size: 10.5px; color: var(--cyan); text-transform: uppercase; letter-spacing: .08em; }
.product-card h3{ font-size: 16.5px; margin: 2px 0 2px; }
.product-card__body > p{ color: var(--text-muted); font-size: 13px; margin-bottom: 10px; }

.product-card__foot{ margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.product-card__price{ font-family: var(--font-mono); font-weight: 600; font-size: 15px; color: var(--text); }
.product-card__cta{
  font-size: 12.5px; font-weight: 700; color: var(--bg);
  background: linear-gradient(135deg, var(--cyan), #57e9ff);
  padding: 8px 16px; border-radius: 999px;
  transition: transform .3s var(--ease), box-shadow .3s;
  white-space: nowrap;
}
.product-card__cta:hover{ transform: translateY(-2px); box-shadow: 0 8px 18px -6px rgba(33,225,255,.6); }

.catalog-empty{ text-align: center; color: var(--text-dim); padding: 40px 0 0; font-size: 14.5px; }

@keyframes product-in{
  from{ opacity: 0; transform: translateY(14px) scale(.97); }
  to{ opacity: 1; transform: translateY(0) scale(1); }
}

/* =========================================================
   STATS
   ========================================================= */
.stats{ padding: 70px 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats__inner{
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.stats__number{
  font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block;
}
.stats__label{ color: var(--text-muted); font-size: 14px; margin-top: 6px; display: block; }

/* =========================================================
   TIMELINE / PROCESO
   ========================================================= */
.timeline{ position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.timeline__line{
  position: absolute; top: 11px; left: 6%; right: 6%; height: 2px; background: var(--line);
}
.timeline__line-fill{ display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--cyan), var(--amber)); transition: width 1s var(--ease); }
.timeline__step{ position: relative; padding-top: 40px; }
.timeline__num{
  position: absolute; top: 0; left: 0;
  font-family: var(--font-mono); font-size: 13px; color: var(--bg);
  background: var(--cyan); width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.timeline__step h3{ font-size: 17px; margin-bottom: 8px; }
.timeline__step p{ color: var(--text-muted); font-size: 14px; }

/* =========================================================
   SEDES
   ========================================================= */
.locations__tabs{ display: flex; gap: 10px; margin-bottom: 30px; }
.locations__tab{
  padding: 10px 22px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--text-muted); font-weight: 700; font-size: 14px;
  transition: all .3s var(--ease);
}
.locations__tab--active, .locations__tab:hover{ color: var(--bg); background: var(--cyan); border-color: var(--cyan); }

.location-card{ display: none; grid-template-columns: 1.2fr 1fr; gap: 26px; }
.location-card--active{ display: grid; }
.location-card__map{ border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line); min-height: 300px; filter: grayscale(.3) contrast(1.1); }
.location-card__map iframe{ width: 100%; height: 100%; min-height: 300px; border: 0; }
.location-card__info{
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 30px; display: flex; flex-direction: column; gap: 18px; justify-content: center;
}
.location-card__info h3{ font-size: 20px; }
.location-card__info ul{ display: flex; flex-direction: column; gap: 10px; }
.location-card__info li{ font-size: 14.5px; color: var(--text-muted); }
.location-card__info strong{ color: var(--text); }

/* =========================================================
   TESTIMONIOS
   ========================================================= */
.testimonials{ display: flex; align-items: center; gap: 18px; max-width: 1240px; margin: 0 auto; padding: 0 28px; }
.testimonials__track{
  display: flex; gap: 22px; overflow: hidden; scroll-behavior: smooth; flex: 1;
}
.testimonial-card{
  min-width: calc(33.333% - 15px); flex-shrink: 0;
  background: var(--bg-elevated); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 26px; transition: transform .3s;
}
.testimonial-card__head{ display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.testimonial-card__avatar{
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--amber));
  display: flex; align-items: center; justify-content: center; font-weight: 700; color: #04101a; font-size: 13px;
}
.testimonial-card__head strong{ display: block; font-size: 14.5px; }
.testimonial-card__head span{ font-size: 12px; color: var(--text-dim); }
.testimonial-card p{ font-size: 14.5px; color: var(--text-muted); margin-bottom: 12px; }
.testimonial-card__stars{ color: var(--amber); letter-spacing: 2px; }
.testimonial-card__meta{ margin-top: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); }

.testimonials__arrow{
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--bg-elevated); color: var(--text);
  font-size: 20px; display: flex; align-items: center; justify-content: center;
  transition: all .3s;
}
.testimonials__arrow:hover{ background: var(--cyan); color: var(--bg); border-color: var(--cyan); }

.testimonials__dots{ display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.testimonials__dots span{ width: 7px; height: 7px; border-radius: 50%; background: var(--line); transition: background .3s, transform .3s; }
.testimonials__dots span.is-active{ background: var(--cyan); transform: scale(1.3); }

/* =========================================================
   FAQ / ACCORDION
   ========================================================= */
.accordion{ max-width: 780px; display: flex; flex-direction: column; gap: 12px; }
.accordion__item{ border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg); overflow: hidden; }
.accordion__trigger{
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 22px; background: none; border: none; color: var(--text);
  font-size: 15.5px; font-weight: 700; text-align: left;
}
.accordion__icon{ font-size: 20px; color: var(--cyan); transition: transform .35s var(--ease); flex-shrink: 0; margin-left: 14px; }
.accordion__item.is-open .accordion__icon{ transform: rotate(45deg); }
.accordion__panel{
  max-height: 0; overflow: hidden; transition: max-height .4s var(--ease);
  padding: 0 22px;
}
.accordion__panel p{ color: var(--text-muted); font-size: 14.5px; padding-bottom: 20px; }

/* =========================================================
   CTA FINAL
   ========================================================= */
.cta-final{
  padding: 100px 28px; text-align: center;
  background: radial-gradient(ellipse at 50% 0%, var(--cyan-dim), transparent 60%), var(--bg-elevated);
  border-top: 1px solid var(--line);
}
.cta-final__inner{ max-width: 600px; margin: 0 auto; }
.cta-final h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 14px; }
.cta-final p{ color: var(--text-muted); margin-bottom: 30px; font-size: 16px; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{ background: var(--bg); border-top: 1px solid var(--line); padding: 70px 28px 20px; }
.footer__inner{
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px;
}
.footer__brand p{ color: var(--text-muted); font-size: 14px; margin: 14px 0; max-width: 30ch; }
.footer__payments{ font-size: 12.5px !important; color: var(--text-dim) !important; margin-top: -6px !important; }
.footer__social{ display: flex; gap: 12px; }
.footer__social a{
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; color: var(--text-muted);
  transition: all .3s;
}
.footer__social a:hover{ color: var(--bg); background: var(--cyan); border-color: var(--cyan); }
.footer__col h4{ font-size: 14px; margin-bottom: 16px; color: var(--text); }
.footer__col a, .footer__col p{ display: block; color: var(--text-muted); font-size: 14px; margin-bottom: 10px; }
.footer__col a:hover{ color: var(--cyan); }
.footer__bottom{
  max-width: 1240px; margin: 50px auto 0; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; color: var(--text-dim); font-size: 12.5px; flex-wrap: wrap; gap: 10px;
}
.footer__bottom a{ color: var(--text-dim); text-decoration: underline; text-underline-offset: 2px; transition: color .25s; }
.footer__bottom a:hover{ color: var(--cyan); }

/* =========================================================
   WHATSAPP FLOAT
   ========================================================= */
.whatsapp-float{
  position: fixed; bottom: 26px; right: 26px; z-index: 150;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #1eb958);
  color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px -8px rgba(37,211,102,.7);
  animation: pulse-wa 2.6s ease-in-out infinite;
}
@keyframes pulse-wa{
  0%,100%{ box-shadow: 0 10px 30px -8px rgba(37,211,102,.7); }
  50%{ box-shadow: 0 10px 40px -4px rgba(37,211,102,.95); }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__device{ order: -1; margin-bottom: 20px; }
  .phone-mock{ width: 220px; }
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
  .product-grid{ grid-template-columns: repeat(2, 1fr); }
  .stats__inner{ grid-template-columns: repeat(2, 1fr); }
  .timeline{ grid-template-columns: repeat(2, 1fr); }
  .timeline__line{ display: none; }
  .location-card{ grid-template-columns: 1fr; }
  .testimonial-card{ min-width: calc(50% - 11px); }
  .footer__inner{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px){
  .nav__links{
    position: fixed; top: 68px; left: 0; right: 0;
    background: rgba(10,14,23,.98); backdrop-filter: blur(14px);
    flex-direction: column; padding: 20px 28px; gap: 4px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-140%); opacity: 0;
    transition: transform .4s var(--ease), opacity .3s;
  }
  .nav__links.is-open{ transform: translateY(0); opacity: 1; }
  .nav__links a{ padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__burger{ display: flex; }
  .nav__cta{ display: none; }
  .service-grid, .product-grid{ grid-template-columns: 1fr; }
  .stats__inner{ grid-template-columns: 1fr 1fr; }
  .timeline{ grid-template-columns: 1fr; }
  .testimonial-card{ min-width: 85%; }
  .footer__inner{ grid-template-columns: 1fr; }
  .battery-indicator__pct{ display: none; }
}