/* ============================================================
   LUVA Solutions — luva.css
   Tokens → Reset → Layout → Components → Animations
   Dark electric-blue identity · fiber-optic atmosphere
============================================================ */

:root {
  --c-void:        #040612;
  --c-deep:        #070d20;
  --c-navy:        #0b1530;
  --c-midnight:    #0f1e44;
  --c-electric:    #3b7cf8;
  --c-electric-dim:#2860d0;
  --c-cyan:        #4fd6ff;
  --c-glow:        rgba(59, 124, 248, 0.18);
  --c-glow-strong: rgba(59, 124, 248, 0.32);
  --c-white:       #f0f4ff;
  --c-text-primary:#dde4f5;
  --c-text-muted:  #7e90b8;
  --c-text-subtle: #4a5a7a;
  --c-border:      rgba(255, 255, 255, 0.06);
  --c-border-hover:rgba(59, 124, 248, 0.30);
  --font-display: 'DM Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
  --t-xs:   clamp(0.72rem, 0.68rem + 0.2vw,  0.80rem);
  --t-sm:   clamp(0.85rem, 0.80rem + 0.25vw, 0.94rem);
  --t-base: clamp(1.00rem, 0.95rem + 0.25vw, 1.06rem);
  --t-md:   clamp(1.10rem, 1.00rem + 0.5vw,  1.25rem);
  --t-lg:   clamp(1.30rem, 1.10rem + 1.0vw,  1.75rem);
  --t-xl:   clamp(1.70rem, 1.30rem + 2.0vw,  2.60rem);
  --t-2xl:  clamp(2.20rem, 1.50rem + 3.5vw,  4.00rem);
  --t-3xl:  clamp(2.80rem, 1.80rem + 5.0vw,  5.50rem);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;
  --sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;
  --sp-16:64px;--sp-20:80px;--sp-24:96px;--sp-32:128px;
  --dur-fast:220ms;--dur-medium:400ms;--dur-slow:700ms;
  --ease-std:cubic-bezier(0.4,0,0.2,1);
  --ease-spring:cubic-bezier(0.16,1,0.3,1);
  --max-w:1200px;
  --radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:32px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:var(--font-display);font-size:var(--t-base);line-height:1.7;
  color:var(--c-text-primary);background-color:var(--c-void);overflow-x:hidden;position:relative}
img,svg,video{display:block;max-width:100%}
ul[role="list"],ol[role="list"]{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none}
a{color:inherit;text-decoration:none}
p:not(:last-child){margin-bottom:1em}
h1,h2,h3,h4{line-height:1.18;font-weight:600;letter-spacing:-0.02em}

/* ── ACCESSIBILITY ── */
.skip-link{position:absolute;top:-100%;left:var(--sp-4);padding:var(--sp-2) var(--sp-4);
  background:var(--c-electric);color:#000;font-weight:700;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);z-index:9999;transition:top var(--dur-fast)}
.skip-link:focus{top:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--c-electric);outline-offset:3px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:0.01ms!important;
    animation-iteration-count:1!important;transition-duration:0.01ms!important;
    scroll-behavior:auto!important}
}

/* ── LAYOUT ── */
.container{width:100%;max-width:var(--max-w);margin-inline:auto;padding-inline:var(--sp-5)}
@media(min-width:768px){.container{padding-inline:var(--sp-8)}}
@media(min-width:1200px){.container{padding-inline:var(--sp-12)}}
.section{padding-block:var(--sp-20)}
@media(min-width:1024px){.section{padding-block:var(--sp-32)}}

/* ════ FIBER OPTIC BACKGROUND (subtle SVG strands) ════ */
.fiber-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.fiber-bg svg{position:absolute;top:0;left:0;width:100%;height:100%}
/* Static dim fiber strands (the "cables") */
.fiber-strand{fill:none;stroke:rgba(59,124,248,0.05);stroke-width:1}
/* The travelling light pulse drawn on top of each strand */
.fiber-pulse{fill:none;stroke-linecap:round}
/* Subtle radial vignette so text stays readable */
.bg-vignette{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse at 50% 0%, transparent 0%, rgba(4,6,18,0.4) 72%, rgba(4,6,18,0.78) 100%)}
/* Keep real content above the background */
main,footer{position:relative;z-index:2}
/* El header lleva el nav fijo: debe estar por encima de main para recibir los clics */
header{position:relative;z-index:200}

/* ── NAV (se achica al scrollear, siempre visible) ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding-block:var(--sp-4);
  transition:background var(--dur-medium) var(--ease-std),
    backdrop-filter var(--dur-medium) var(--ease-std),
    border-color var(--dur-medium) var(--ease-std),padding var(--dur-medium) var(--ease-std);
  border-bottom:1px solid transparent}
.nav--scrolled{background:rgba(4,6,18,0.9);backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom-color:var(--c-border);padding-block:8px;
  box-shadow:0 8px 32px rgba(0,0,0,0.35)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-8)}
.nav__logo{display:flex;align-items:center;gap:var(--sp-3)}
.nav__logo img{height:38px;width:auto;object-fit:contain;
  transition:height var(--dur-medium) var(--ease-std)}
.nav--scrolled .nav__logo img{height:28px}
.nav__links{display:none;list-style:none;gap:var(--sp-6)}
@media(min-width:900px){.nav__links{display:flex}}
.nav__link{font-size:var(--t-sm);color:var(--c-text-muted);position:relative;
  padding-block:var(--sp-1);transition:color var(--dur-fast) var(--ease-std)}
.nav__link::after{content:'';position:absolute;bottom:-2px;left:50%;width:0;height:1px;
  background:var(--c-electric);transform:translateX(-50%);
  transition:width var(--dur-medium) var(--ease-spring)}
.nav__link:hover{color:var(--c-white)}
.nav__link:hover::after{width:100%}
.nav__cta{display:none;font-size:var(--t-sm);font-weight:600;
  padding:var(--sp-2) var(--sp-5);border-radius:var(--radius-xl);
  background:var(--c-electric);color:#fff;
  transition:box-shadow var(--dur-fast) var(--ease-std),transform var(--dur-fast) var(--ease-std),
    padding var(--dur-medium) var(--ease-std)}
.nav__cta:hover{box-shadow:0 0 24px var(--c-glow-strong);transform:translateY(-1px)}
.nav--scrolled .nav__cta{padding:6px var(--sp-4)}
@media(min-width:900px){.nav__cta{display:block}}

/* Acciones a la derecha: Cloud, Soporte, Hablemos */
.nav__actions{display:flex;align-items:center;gap:var(--sp-2)}
@media(min-width:600px){.nav__actions{gap:var(--sp-3)}}
.nav__client-btn{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  font-size:var(--t-sm);font-weight:500;color:var(--c-text-muted);
  padding:8px;border-radius:var(--radius-xl);
  border:1px solid var(--c-border);background:rgba(255,255,255,0.02);
  transition:color var(--dur-fast) var(--ease-std),border-color var(--dur-fast) var(--ease-std),
    background var(--dur-fast) var(--ease-std),transform var(--dur-fast) var(--ease-std)}
.nav__client-btn svg{width:18px;height:18px;color:var(--c-electric);flex-shrink:0}
.nav__client-btn span{display:none}
.nav__client-btn:hover{color:var(--c-white);border-color:var(--c-border-hover);
  background:var(--c-glow);transform:translateY(-1px)}
/* En pantallas anchas muestran también el texto */
@media(min-width:1100px){
  .nav__client-btn{padding:7px var(--sp-4)}
  .nav__client-btn span{display:inline}
}
.nav--scrolled .nav__client-btn{padding:7px}
@media(min-width:1100px){.nav--scrolled .nav__client-btn{padding:5px var(--sp-3)}}

/* ── HERO ── (grid de cuadrados eliminado) ── */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero__glow{position:absolute;top:18%;left:50%;width:80vw;height:80vw;
  max-width:960px;max-height:960px;transform:translate(-50%,-30%);
  background:radial-gradient(ellipse at center,rgba(59,124,248,0.16) 0%,
    rgba(14,34,80,0.08) 42%,transparent 72%);z-index:0;pointer-events:none}
.hero__content{position:relative;z-index:2;padding-top:120px;padding-bottom:var(--sp-20)}
.hero__eyebrow{display:inline-flex;align-items:center;gap:var(--sp-2);
  font-size:var(--t-xs);font-weight:600;letter-spacing:0.12em;
  text-transform:uppercase;color:var(--c-electric);margin-bottom:var(--sp-5)}
.hero__eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--c-electric);
  animation:pulse-dot 2s ease-in-out infinite}
@keyframes pulse-dot{
  0%,100%{opacity:1;box-shadow:0 0 0 0 var(--c-glow-strong)}
  50%{opacity:0.8;box-shadow:0 0 0 5px transparent}
}
.hero__headline{font-size:var(--t-3xl);font-weight:700;letter-spacing:-0.03em;
  line-height:1.06;max-width:15ch;color:var(--c-white);margin-bottom:var(--sp-6)}
.hero__headline em{font-style:normal;color:var(--c-electric);position:relative}
.hero__lead{font-size:var(--t-md);color:var(--c-text-muted);max-width:52ch;
  line-height:1.65;margin-bottom:var(--sp-10)}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--sp-4);align-items:center;margin-bottom:var(--sp-16)}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  max-width:520px;background:var(--c-border);border:1px solid var(--c-border);
  border-radius:var(--radius-md);overflow:hidden}
.hero__stat{background:rgba(7,13,32,0.7);padding:var(--sp-4) var(--sp-5);text-align:center}
.hero__stat-number{display:block;font-size:var(--t-xl);font-weight:700;
  color:var(--c-white);letter-spacing:-0.04em;line-height:1;margin-bottom:var(--sp-1)}
.hero__stat-label{font-size:var(--t-xs);color:var(--c-text-subtle);letter-spacing:0.04em}

/* ── TERMINAL (luva-monitor bash) ── */
.hero__terminal{position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:min(480px,44vw);background:rgba(7,13,32,0.82);backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);border:1px solid var(--c-border);
  border-radius:var(--radius-lg);overflow:hidden;z-index:2;
  box-shadow:0 24px 80px rgba(0,0,0,0.6),0 0 0 1px rgba(59,124,248,0.08)}
.hero__terminal-bar{display:flex;align-items:center;gap:var(--sp-2);
  padding:var(--sp-3) var(--sp-4);border-bottom:1px solid var(--c-border);background:rgba(4,6,18,0.6)}
.terminal-dot{width:10px;height:10px;border-radius:50%}
.terminal-dot--red{background:#ff5f57}
.terminal-dot--yellow{background:#febc2e}
.terminal-dot--green{background:#28c840}
.hero__terminal-title{font-size:var(--t-xs);color:var(--c-text-subtle);
  font-family:var(--font-mono);margin-left:auto}
.hero__terminal-body{padding:var(--sp-5);font-family:var(--font-mono);
  font-size:12px;line-height:1.8;color:var(--c-text-muted)}
.hero__terminal-body .line-prompt{color:var(--c-electric)}
.hero__terminal-body .line-output{color:#7adb9e}
.hero__terminal-body .line-comment{color:var(--c-text-subtle)}
.hero__terminal-body .cursor{display:inline-block;width:8px;height:14px;
  background:var(--c-electric);vertical-align:text-bottom;animation:blink 1.2s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
@media(max-width:1023px){.hero__terminal{display:none}}

/* ════ PHOTO CAROUSEL ════ */
.showcase{position:relative;background:var(--c-deep);border-top:1px solid var(--c-border);overflow:hidden}
.showcase__inner{display:grid;grid-template-columns:1fr;gap:var(--sp-12);align-items:center}
@media(min-width:1024px){.showcase__inner{grid-template-columns:0.85fr 1.15fr;gap:var(--sp-16)}}
.carousel{position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--c-border);background:var(--c-void);
  box-shadow:0 30px 80px rgba(0,0,0,0.5);aspect-ratio:4/3}
.carousel__track{position:absolute;inset:0}
.carousel__slide{position:absolute;inset:0;opacity:0;transform:scale(1.06);
  transition:opacity 900ms var(--ease-std),transform 6000ms linear;pointer-events:none}
.carousel__slide.is-active{opacity:1;transform:scale(1);pointer-events:auto}
.carousel__slide img{width:100%;height:100%;object-fit:cover}
.carousel__slide::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(4,6,18,0.85) 100%)}
.carousel__caption{position:absolute;left:var(--sp-5);bottom:var(--sp-5);right:var(--sp-5);
  z-index:2;font-size:var(--t-sm);color:var(--c-white);font-weight:500;
  display:flex;align-items:center;gap:var(--sp-2)}
.carousel__caption::before{content:'';width:8px;height:8px;border-radius:50%;
  background:var(--c-electric);box-shadow:0 0 8px var(--c-electric);flex-shrink:0;
  animation:pulse-dot 2s ease-in-out infinite}
.carousel__dots{position:absolute;top:var(--sp-4);right:var(--sp-4);z-index:3;
  display:flex;gap:6px}
.carousel__dot{width:7px;height:7px;border-radius:50%;
  background:rgba(255,255,255,0.3);transition:all var(--dur-fast);cursor:pointer;padding:0}
.carousel__dot.is-active{background:var(--c-electric);width:20px;border-radius:4px;
  box-shadow:0 0 8px var(--c-glow-strong)}
.carousel__arrows{position:absolute;inset:0;z-index:3;display:flex;
  justify-content:space-between;align-items:center;padding:0 var(--sp-3);pointer-events:none}
.carousel__arrow{pointer-events:auto;width:40px;height:40px;border-radius:50%;
  background:rgba(4,6,18,0.6);border:1px solid var(--c-border);color:var(--c-white);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  backdrop-filter:blur(8px);transition:all var(--dur-fast);opacity:0}
.carousel:hover .carousel__arrow{opacity:1}
.carousel__arrow:hover{background:var(--c-electric);border-color:var(--c-electric);transform:scale(1.08)}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:var(--sp-2);
  font-family:var(--font-display);font-size:var(--t-sm);font-weight:600;
  padding:12px var(--sp-6);border-radius:var(--radius-xl);
  transition:transform var(--dur-fast) var(--ease-spring),
    box-shadow var(--dur-fast) var(--ease-std),background var(--dur-fast) var(--ease-std);
  cursor:pointer;border:none;text-decoration:none;white-space:nowrap}
.btn--primary{background:var(--c-electric);color:#fff}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(59,124,248,0.4)}
.btn--ghost{background:transparent;color:var(--c-text-muted);border:1px solid var(--c-border)}
.btn--ghost:hover{border-color:var(--c-border-hover);color:var(--c-white);background:var(--c-glow)}
.btn--magnetic{transition:transform var(--dur-medium) cubic-bezier(0.23,1,0.32,1),
  box-shadow var(--dur-fast) var(--ease-std)}

/* ── SECTION HEADER ── */
.section-header{margin-bottom:var(--sp-12)}
.section-eyebrow{display:inline-block;font-size:var(--t-xs);font-weight:600;
  letter-spacing:0.12em;text-transform:uppercase;color:var(--c-electric);
  margin-bottom:var(--sp-4);position:relative;padding-left:var(--sp-5)}
.section-eyebrow::before{content:'';position:absolute;left:0;top:50%;
  width:12px;height:1px;background:var(--c-electric);transform:translateY(-50%)}
.section-title{font-size:var(--t-2xl);font-weight:700;color:var(--c-white);
  letter-spacing:-0.03em;line-height:1.12;max-width:18ch}
.section-subtitle{margin-top:var(--sp-4);font-size:var(--t-md);
  color:var(--c-text-muted);max-width:56ch;line-height:1.65}

/* ════ NETWORK RACK SECTION ════ */
.rack-section{position:relative;padding-block:var(--sp-20) var(--sp-16);
  background:var(--c-deep);border-top:1px solid var(--c-border);overflow:hidden}
.rack-section__inner{position:relative;z-index:1;display:grid;
  grid-template-columns:1fr;gap:var(--sp-12);align-items:center}
@media(min-width:1024px){.rack-section__inner{grid-template-columns:1fr 1fr;gap:var(--sp-20)}}
.rack-section__text p{font-size:var(--t-md);color:var(--c-text-muted);
  line-height:1.7;max-width:48ch;margin-bottom:var(--sp-6)}
.rack-section__badges{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-8)}
.rack-badge{display:inline-flex;align-items:center;gap:6px;
  font-size:var(--t-xs);font-weight:600;letter-spacing:0.06em;
  padding:var(--sp-2) var(--sp-4);
  border:1px solid rgba(59,124,248,0.25);border-radius:var(--radius-xl);
  color:var(--c-text-muted);background:var(--c-glow)}
.rack-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:#28c840;
  box-shadow:0 0 6px #28c840;flex-shrink:0}
.rack-visual{position:relative;display:flex;justify-content:center;align-items:center}
.rack-frame{background:rgba(4,6,18,0.95);border:2px solid rgba(59,124,248,0.2);
  border-radius:var(--radius-md);padding:20px 16px;width:100%;max-width:440px;
  box-shadow:0 0 60px rgba(59,124,248,0.12),0 40px 80px rgba(0,0,0,0.6);position:relative}
.rack-frame::before{content:'LUVA · DATACENTER RACK A01';display:block;
  font-family:var(--font-mono);font-size:9px;letter-spacing:0.15em;
  color:var(--c-text-subtle);text-align:center;padding-bottom:12px;
  border-bottom:1px solid var(--c-border);margin-bottom:12px}
.rack-unit{display:flex;align-items:center;gap:10px;height:36px;margin-bottom:4px;
  padding:0 8px;background:rgba(7,13,32,0.8);border:1px solid rgba(255,255,255,0.05);
  border-radius:4px;position:relative;overflow:hidden}
.rack-unit.rack-unit--patch{height:18px;background:rgba(4,6,18,0.6)}
.rack-unit__label{font-family:var(--font-mono);font-size:8px;color:var(--c-text-subtle);
  letter-spacing:0.08em;white-space:nowrap;flex-shrink:0;width:56px}
.rack-unit__ports{display:flex;gap:3px;flex:1;align-items:center;flex-wrap:nowrap;overflow:hidden}
.rack-port{width:8px;height:6px;border-radius:1px;background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.08);position:relative;
  transition:background 0.3s,border-color 0.3s;flex-shrink:0}
.rack-port.port--active{background:rgba(59,124,248,0.45);border-color:rgba(59,124,248,0.6);
  box-shadow:0 0 4px rgba(59,124,248,0.4)}
.rack-leds{display:flex;gap:4px;margin-left:auto;flex-shrink:0}
.rack-led{width:7px;height:7px;border-radius:50%;background:#0a0a0a;
  transition:background 0.4s,box-shadow 0.4s}
.rack-led.led-pwr.on{background:#28c840;box-shadow:0 0 6px #28c840}
.rack-led.led-act.blink{background:var(--c-electric);box-shadow:0 0 5px var(--c-electric)}
.rack-unit--patch .rack-leds{display:none}
.rack-unit--patch .rack-unit__label{font-size:7px}
.rack-unit--patch .rack-port{height:4px;width:6px}
@keyframes power-on-glow{
  0%{background:#0a0a0a;box-shadow:none}
  40%{background:#ffd600;box-shadow:0 0 8px #ffd600}
  100%{background:#28c840;box-shadow:0 0 6px #28c840}
}
.rack-led.led-pwr.booting{animation:power-on-glow 1.4s ease-out forwards}

/* ════ SERVICE CARDS — flip 3D + zoom al centro ════ */
.services-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-4)}
@media(min-width:640px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.services-grid{grid-template-columns:repeat(3,1fr)}}

.flip-card{perspective:1600px;cursor:pointer;min-height:280px;
  transition:transform 0.6s cubic-bezier(0.22,1,0.36,1);will-change:transform}
.flip-card__inner{position:relative;width:100%;height:100%;min-height:280px;
  transform-style:preserve-3d;transition:transform 0.7s cubic-bezier(0.22,1,0.36,1)}
.flip-card.is-flipped .flip-card__inner{transform:rotateY(180deg)}
.flip-card:not(.is-flipped):hover .flip-card__inner{box-shadow:0 0 36px rgba(59,124,248,0.14)}

.flip-face{position:absolute;inset:0;backface-visibility:hidden;
  -webkit-backface-visibility:hidden;border-radius:var(--radius-md);
  display:flex;flex-direction:column;padding:var(--sp-8);overflow:hidden}

/* Front */
.flip-front{background:var(--c-deep);border:1px solid var(--c-border);
  transition:border-color var(--dur-fast) var(--ease-std),background var(--dur-fast) var(--ease-std)}
.flip-card:not(.is-flipped):hover .flip-front{border-color:var(--c-border-hover);background:var(--c-navy)}
.flip-front::before{content:'';position:absolute;inset:0;
  background:radial-gradient(circle at var(--mouse-x,50%) var(--mouse-y,50%),
    rgba(59,124,248,0.08) 0%,transparent 60%);
  opacity:0;transition:opacity var(--dur-fast) var(--ease-std);pointer-events:none}
.flip-card:not(.is-flipped):hover .flip-front::before{opacity:1}
.service-card__icon{width:46px;height:46px;display:flex;align-items:center;
  justify-content:center;background:var(--c-glow);border:1px solid rgba(59,124,248,0.20);
  border-radius:var(--radius-sm);margin-bottom:var(--sp-5);
  color:var(--c-electric);
  transition:box-shadow var(--dur-fast) var(--ease-std),color var(--dur-fast);position:relative;z-index:1}
.service-card__icon svg{width:24px;height:24px}
.flip-card:hover .service-card__icon{box-shadow:0 0 20px var(--c-glow-strong);color:var(--c-cyan)}
.service-card__title{font-size:var(--t-md);font-weight:600;color:var(--c-white);
  margin-bottom:var(--sp-3);letter-spacing:-0.02em;position:relative;z-index:1}
.service-card__desc{font-size:var(--t-sm);color:var(--c-text-muted);line-height:1.65;
  flex:1;position:relative;z-index:1}
.card-hint{margin-top:auto;padding-top:var(--sp-4);font-size:var(--t-xs);
  color:var(--c-electric);font-family:var(--font-mono);display:flex;
  align-items:center;gap:6px;opacity:0.75;position:relative;z-index:1}
.card-hint::before{content:'⤢';font-size:14px}

/* Back */
.flip-back{background:var(--c-midnight);border:1px solid rgba(59,124,248,0.32);
  transform:rotateY(180deg);justify-content:flex-start;
  box-shadow:0 40px 120px rgba(0,0,0,0.6),0 0 60px rgba(59,124,248,0.12)}
.flip-back__tag{font-size:var(--t-xs);font-family:var(--font-mono);color:var(--c-electric);
  letter-spacing:0.1em;margin-bottom:var(--sp-3);opacity:0.85}
.flip-back__title{font-size:var(--t-base);font-weight:700;color:var(--c-white);
  letter-spacing:-0.02em;margin-bottom:var(--sp-4)}
.flip-back__features{list-style:none;padding:0;margin:0;flex:1}
.flip-back__features li{font-size:var(--t-xs);color:var(--c-text-primary);
  padding:5px 0;display:flex;align-items:flex-start;gap:var(--sp-2);line-height:1.45}
.flip-back__features li::before{content:'→';color:var(--c-electric);flex-shrink:0;margin-top:1px}
.flip-back__cta{margin-top:var(--sp-4);display:inline-flex;align-items:center;gap:6px;
  font-size:var(--t-xs);font-weight:600;color:var(--c-electric);
  font-family:var(--font-mono);letter-spacing:0.05em;cursor:pointer}
.flip-back__cta::after{content:'✕';font-size:11px;opacity:0.7}

/* Telón oscuro detrás de la tarjeta ampliada (sólido, sin blur para no romper el render) */
.flip-scrim{position:fixed;inset:0;z-index:850;
  background:rgba(2,4,12,0.82);
  opacity:0;visibility:hidden;transition:opacity var(--dur-medium) var(--ease-std),
    visibility var(--dur-medium) var(--ease-std)}
.flip-scrim.is-active{opacity:1;visibility:visible}
/* Clon de la tarjeta que se anima al centro */
.flip-card--clone{perspective:1600px;cursor:pointer;will-change:transform,opacity;
  box-shadow:0 40px 120px rgba(0,0,0,0.7);border-radius:var(--radius-md)}
.flip-card--clone .flip-card__inner{min-height:0;height:100%}

/* ════ BROADCASTING SECTION ════ */
.broadcast-section{position:relative;
  background:linear-gradient(180deg,var(--c-void) 0%,rgba(7,13,32,0.9) 100%);overflow:hidden}
.broadcast-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:var(--sp-16)}
@media(min-width:1024px){.broadcast-inner{grid-template-columns:1fr 1fr;gap:var(--sp-20);align-items:center}}
.broadcast-signal{position:relative;display:flex;justify-content:center;align-items:center;min-height:280px}
.signal-rings{position:relative;width:200px;height:200px}
.signal-core{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:var(--c-electric);
  box-shadow:0 0 30px var(--c-glow-strong);display:flex;align-items:center;
  justify-content:center;font-size:22px;z-index:2}
.signal-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  border:1px solid rgba(59,124,248,0.3);border-radius:50%;animation:signal-expand 3s ease-out infinite}
.signal-ring:nth-child(1){width:90px;height:90px;animation-delay:0s}
.signal-ring:nth-child(2){width:130px;height:130px;animation-delay:0.6s}
.signal-ring:nth-child(3){width:170px;height:170px;animation-delay:1.2s}
.signal-ring:nth-child(4){width:210px;height:210px;animation-delay:1.8s;border-color:rgba(59,124,248,0.1)}
@keyframes signal-expand{
  0%{opacity:0.8;transform:translate(-50%,-50%) scale(0.7)}
  100%{opacity:0;transform:translate(-50%,-50%) scale(1.1)}
}
.broadcast-metrics{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);margin-top:var(--sp-8)}
.broadcast-metric{background:var(--c-navy);border:1px solid var(--c-border);
  border-radius:var(--radius-md);padding:var(--sp-5)}
.broadcast-metric__val{font-size:var(--t-xl);font-weight:700;color:var(--c-white);
  letter-spacing:-0.04em;line-height:1;margin-bottom:4px}
.broadcast-metric__label{font-size:var(--t-xs);color:var(--c-text-subtle)}

/* ── ABOUT ── */
.about{background:var(--c-deep);border-top:1px solid var(--c-border)}
.about__inner{display:grid;grid-template-columns:1fr;gap:var(--sp-12);align-items:start}
@media(min-width:1024px){.about__inner{grid-template-columns:1fr 1fr;gap:var(--sp-20)}}
.about__values{display:flex;flex-direction:column;gap:var(--sp-5);margin-top:var(--sp-8)}
.about__value{display:flex;gap:var(--sp-4);align-items:flex-start}
.about__value-bar{flex-shrink:0;width:3px;height:48px;
  background:linear-gradient(to bottom,var(--c-electric),transparent);border-radius:2px;margin-top:4px}
.about__value-text{font-size:var(--t-sm);color:var(--c-text-muted);line-height:1.65}
.about__value-text strong{display:block;color:var(--c-white);font-weight:600;
  margin-bottom:2px;font-size:var(--t-base)}
.about__right{position:relative}
.about__quote{font-size:var(--t-lg);color:var(--c-white);line-height:1.45;
  letter-spacing:-0.02em;font-weight:500;position:relative;padding-left:var(--sp-8)}
.about__quote::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(to bottom,var(--c-electric),transparent);border-radius:2px}
.mini-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin-top:var(--sp-10);
  background:var(--c-border);border:1px solid var(--c-border);border-radius:var(--radius-md);overflow:hidden}
.mini-stat-cell{background:var(--c-deep);padding:var(--sp-5)}
.mini-stat-val{font-size:var(--t-xl);font-weight:700;color:var(--c-white);
  letter-spacing:-0.04em;line-height:1;margin-bottom:4px}
.mini-stat-label{font-size:var(--t-xs);color:var(--c-text-subtle)}

/* ── METHOD ── */
.method{background:var(--c-deep);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.method-steps{display:grid;grid-template-columns:1fr;gap:var(--sp-8)}
@media(min-width:768px){.method-steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.method-steps{grid-template-columns:repeat(4,1fr);gap:0}}
.method-step{position:relative;padding:var(--sp-6)}
@media(min-width:1024px){.method-step+.method-step{border-left:1px solid var(--c-border)}}
.method-step__number{font-family:var(--font-mono);font-size:var(--t-xs);
  color:var(--c-electric);letter-spacing:0.1em;margin-bottom:var(--sp-4);opacity:0.7}
.method-step__title{font-size:var(--t-base);font-weight:600;color:var(--c-white);margin-bottom:var(--sp-3)}
.method-step__desc{font-size:var(--t-sm);color:var(--c-text-muted);line-height:1.65}

/* ── WHY ── */
.why-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-5)}
@media(min-width:640px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.why-grid{grid-template-columns:repeat(3,1fr)}}
.why-item{padding:var(--sp-6);border:1px solid var(--c-border);
  border-radius:var(--radius-md);background:var(--c-deep);
  transition:border-color var(--dur-fast) var(--ease-std),background var(--dur-fast) var(--ease-std)}
.why-item:hover{border-color:var(--c-border-hover);background:var(--c-navy)}
.why-item__icon{color:var(--c-electric);margin-bottom:var(--sp-4);display:flex;width:28px;height:28px}
.why-item__icon svg{width:28px;height:28px}
.why-item__title{font-size:var(--t-base);font-weight:600;color:var(--c-white);margin-bottom:var(--sp-2)}
.why-item__desc{font-size:var(--t-sm);color:var(--c-text-muted);line-height:1.65}

/* ════ CLIENTS (logos reales) ════ */
.clients{background:var(--c-deep);border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);padding-block:var(--sp-16);overflow:hidden}
.clients__label{text-align:center;font-size:var(--t-xs);letter-spacing:0.12em;
  text-transform:uppercase;color:var(--c-text-subtle);margin-bottom:var(--sp-12)}
.marquee{overflow:hidden;
  mask-image:linear-gradient(to right,transparent 0%,black 12%,black 88%,transparent 100%);
  -webkit-mask-image:linear-gradient(to right,transparent 0%,black 12%,black 88%,transparent 100%)}
.marquee__track{display:flex;gap:var(--sp-6);width:max-content;
  animation:marquee-scroll 45s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes marquee-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.client-chip{display:flex;align-items:center;justify-content:center;
  height:96px;min-width:180px;padding:var(--sp-5) var(--sp-8);
  background:rgba(240,244,255,0.04);border:1px solid var(--c-border);
  border-radius:var(--radius-md);transition:all var(--dur-fast) var(--ease-std);flex-shrink:0}
.client-chip:hover{background:rgba(240,244,255,0.08);border-color:var(--c-border-hover);
  transform:translateY(-2px)}
.client-chip img{max-height:56px;max-width:140px;width:auto;object-fit:contain;
  opacity:0.85;transition:opacity var(--dur-fast)}
.client-chip:hover img{opacity:1}

/* ── CONTACT ── */
.contact{position:relative}
.contact__glow{position:absolute;bottom:0;left:50%;transform:translateX(-50%);
  width:60vw;height:400px;
  background:radial-gradient(ellipse at bottom,rgba(59,124,248,0.08) 0%,transparent 70%);pointer-events:none}
.contact__inner{display:grid;grid-template-columns:1fr;gap:var(--sp-12)}
@media(min-width:1024px){.contact__inner{grid-template-columns:1fr 1fr;gap:var(--sp-16)}}
.contact__info{display:flex;flex-direction:column;gap:var(--sp-6)}
.contact__info-item{display:flex;align-items:flex-start;gap:var(--sp-4)}
.contact__info-icon{width:40px;height:40px;display:flex;align-items:center;
  justify-content:center;background:var(--c-glow);border:1px solid rgba(59,124,248,0.20);
  border-radius:var(--radius-sm);color:var(--c-electric);flex-shrink:0;margin-top:2px}
.contact__info-icon svg{width:19px;height:19px}
.contact__info-text{font-size:var(--t-sm);color:var(--c-text-muted);line-height:1.6}
.contact__info-text strong{display:block;color:var(--c-white);font-weight:600;margin-bottom:2px}

/* ── FORM ── */
.form{display:flex;flex-direction:column;gap:var(--sp-4)}
.form-row{display:grid;grid-template-columns:1fr;gap:var(--sp-4)}
@media(min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
.form-field{display:flex;flex-direction:column;gap:var(--sp-2)}
.form-label{font-size:var(--t-xs);font-weight:600;letter-spacing:0.06em;
  text-transform:uppercase;color:var(--c-text-subtle)}
.form-input,.form-textarea{font-family:var(--font-display);font-size:var(--t-sm);
  color:var(--c-text-primary);background:rgba(7,13,32,0.8);
  border:1px solid var(--c-border);border-radius:var(--radius-sm);
  padding:12px var(--sp-4);width:100%;
  transition:border-color var(--dur-fast) var(--ease-std),
    box-shadow var(--dur-fast) var(--ease-std),background var(--dur-fast) var(--ease-std);appearance:none}
.form-input::placeholder,.form-textarea::placeholder{color:var(--c-text-subtle)}
.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--c-electric);
  box-shadow:0 0 0 3px var(--c-glow);background:rgba(11,21,48,0.9)}
.form-textarea{resize:vertical;min-height:120px}
.form-hint{font-size:var(--t-xs);color:var(--c-text-subtle);line-height:1.5}

/* ── FOOTER ── */
.footer{padding-block:var(--sp-10);border-top:1px solid var(--c-border)}
.footer__inner{display:flex;flex-direction:column;gap:var(--sp-6)}
@media(min-width:768px){.footer__inner{flex-direction:row;align-items:center;justify-content:space-between}}
.footer__copy{font-size:var(--t-xs);color:var(--c-text-subtle)}
.footer__links{display:flex;gap:var(--sp-6);list-style:none}
.footer__link{font-size:var(--t-xs);color:var(--c-text-subtle);transition:color var(--dur-fast) var(--ease-std)}
.footer__link:hover{color:var(--c-text-muted)}

/* ── SECTORS ── */
.sectors-list{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}
.sector-tag{font-size:var(--t-xs);font-weight:500;padding:var(--sp-2) var(--sp-4);
  border:1px solid var(--c-border);border-radius:var(--radius-xl);
  color:var(--c-text-muted);background:transparent;
  transition:border-color var(--dur-fast),color var(--dur-fast),background var(--dur-fast)}
.sector-tag:hover{border-color:var(--c-border-hover);color:var(--c-white);background:var(--c-glow)}

/* ── CTA STRIP ── */
.cta-strip{background:var(--c-midnight);border:1px solid rgba(59,124,248,0.12);
  border-radius:var(--radius-lg);padding:var(--sp-12) var(--sp-8);
  text-align:center;position:relative;overflow:hidden;margin-top:var(--sp-20)}
.cta-strip::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:60%;height:1px;background:linear-gradient(to right,transparent,var(--c-electric),transparent)}
.cta-strip__title{font-size:var(--t-xl);font-weight:700;color:var(--c-white);
  letter-spacing:-0.03em;margin-bottom:var(--sp-4)}
.cta-strip__subtitle{font-size:var(--t-md);color:var(--c-text-muted);margin-bottom:var(--sp-8);
  max-width:48ch;margin-inline:auto}

/* ── REVEAL ── */
[data-reveal]{opacity:0;transform:translateY(20px);
  transition:opacity 600ms var(--ease-spring) var(--reveal-delay,0ms),
    transform 600ms var(--ease-spring) var(--reveal-delay,0ms)}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}
[data-reveal="left"]{transform:translateX(-24px)}
[data-reveal="left"].is-visible{transform:translateX(0)}
[data-reveal="scale"]{transform:scale(0.96)}
[data-reveal="scale"].is-visible{transform:scale(1)}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

.text-accent{color:var(--c-electric)}
.mono{font-family:var(--font-mono)}

/* ════ CAROUSEL VIDEO SLIDES ════ */
.carousel__slide video{width:100%;height:100%;object-fit:cover;background:#000}
.carousel__play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;z-index:3;
  background:rgba(59,124,248,0.85);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  border:2px solid rgba(255,255,255,0.4);color:#fff;font-size:24px;
  box-shadow:0 0 30px var(--c-glow-strong);transition:transform var(--dur-fast) var(--ease-spring),background var(--dur-fast);
  pointer-events:none}
.carousel__slide.is-playing .carousel__play{opacity:0;pointer-events:none}
.carousel__slide[data-type="video"]:hover .carousel__play{transform:translate(-50%,-50%) scale(1.1)}
.carousel__badge{position:absolute;top:var(--sp-4);left:var(--sp-4);z-index:3;
  font-size:10px;font-family:var(--font-mono);font-weight:600;letter-spacing:0.1em;
  padding:4px 10px;border-radius:var(--radius-xl);background:rgba(4,6,18,0.7);
  border:1px solid var(--c-border);color:var(--c-cyan);backdrop-filter:blur(6px);
  display:flex;align-items:center;gap:5px}
.carousel__badge::before{content:'';width:6px;height:6px;border-radius:50%;
  background:var(--c-cyan);box-shadow:0 0 6px var(--c-cyan)}

/* ════ WHATSAPP FLOATING BUTTON ════ */
.wa-fab{position:fixed;right:20px;bottom:20px;z-index:200;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 28px rgba(37,211,102,0.45),0 0 0 0 rgba(37,211,102,0.5);
  transition:transform var(--dur-fast) var(--ease-spring),box-shadow var(--dur-fast);
  animation:wa-pulse 2.6s ease-out infinite}
.wa-fab:hover{transform:scale(1.08) translateY(-2px);
  box-shadow:0 12px 36px rgba(37,211,102,0.6)}
.wa-fab svg{width:32px;height:32px;fill:#fff}
.wa-fab__label{position:absolute;right:70px;white-space:nowrap;
  background:rgba(4,6,18,0.92);color:var(--c-white);font-size:var(--t-sm);font-weight:600;
  padding:8px 14px;border-radius:var(--radius-md);border:1px solid var(--c-border);
  opacity:0;transform:translateX(8px);pointer-events:none;
  transition:opacity var(--dur-fast),transform var(--dur-fast);
  box-shadow:0 8px 24px rgba(0,0,0,0.4)}
.wa-fab:hover .wa-fab__label{opacity:1;transform:translateX(0)}
@keyframes wa-pulse{
  0%{box-shadow:0 8px 28px rgba(37,211,102,0.45),0 0 0 0 rgba(37,211,102,0.45)}
  70%{box-shadow:0 8px 28px rgba(37,211,102,0.45),0 0 0 16px rgba(37,211,102,0)}
  100%{box-shadow:0 8px 28px rgba(37,211,102,0.45),0 0 0 0 rgba(37,211,102,0)}
}
@media(min-width:768px){.wa-fab{right:28px;bottom:28px;width:62px;height:62px}}

@media(prefers-reduced-motion:reduce){.wa-fab{animation:none}}