/* ============================================================
   MEYLAB — Laboratorio de Acústica y Vibraciones
   Sistema de diseño: editorial-industrial
   Tipografía: Bebas Neue (display) / DM Sans (texto)
   Paleta: crema cálido, acero oscuro, rojo MEYLAB, azul eléctrico
   ============================================================ */

:root{
  --cream:        #F4F0E8;
  --cream-soft:   #ECE6D9;
  --steel-900:    #15181B;
  --steel-800:    #1E2226;
  --steel-700:    #2B3137;
  --steel-600:    #3C444B;
  --steel-300:    #8B9298;
  --red:          #BC2025;
  --red-dark:     #8F1620;
  --red-bright:   #DE2A30;
  --blue:         #2C5FE8;
  --blue-dim:     #2C5FE822;
  --line:         #00000017;
  --line-dark:    #ffffff1c;

  --font-display: "Bebas Neue", "Arial Narrow", sans-serif;
  --font-body:    "DM Sans", "Segoe UI", sans-serif;
  --font-mono:    "DM Mono", "Courier New", monospace;

  --maxw: 1180px;
  --ease: cubic-bezier(.22,.68,.16,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--steel-900);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  letter-spacing:.02em;
  line-height:1.04;
  margin:0;
  text-transform:uppercase;
}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--red);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--red);display:inline-block;
}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;}

/* ---------- waveform bars (firma visual del logo) ---------- */
.wave-bars{display:flex;align-items:center;gap:4px;height:28px;}
.wave-bars span{
  width:4px;border-radius:2px;background:var(--red);
  display:block;
  animation:wavepulse 1.2s ease-in-out infinite;
}
.wave-bars span:nth-child(1){height:40%;animation-delay:.0s;}
.wave-bars span:nth-child(2){height:75%;animation-delay:.12s;}
.wave-bars span:nth-child(3){height:100%;animation-delay:.24s;}
.wave-bars span:nth-child(4){height:60%;animation-delay:.36s;}
.wave-bars span:nth-child(5){height:85%;animation-delay:.48s;}
@keyframes wavepulse{
  0%,100%{transform:scaleY(.45);}
  50%{transform:scaleY(1);}
}
@media (prefers-reduced-motion:reduce){
  .wave-bars span{animation:none;transform:scaleY(.8);}
}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(244,240,232,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.site-header.is-dark{
  background:rgba(21,24,27,.82);
  border-bottom-color:var(--line-dark);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:34px;width:auto;transition:transform .4s var(--ease);}
.brand:hover img{transform:scale(1.06) rotate(-2deg);}
.brand span{
  font-family:var(--font-display);font-size:1.2rem;letter-spacing:.04em;
  color:var(--steel-900);
}
.site-header.is-dark .brand span{color:var(--cream);}
.nav-links{display:flex;gap:30px;list-style:none;margin:0;padding:0;align-items:center;}
.nav-links a{
  font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  font-weight:700;color:var(--steel-700);position:relative;padding:6px 0;
}
.site-header.is-dark .nav-links a{color:var(--cream-soft);}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--red);transition:width .3s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--red);}
.nav-cta{
  background:var(--red);color:#fff;padding:10px 20px;border-radius:2px;
  font-weight:700;font-size:.78rem;letter-spacing:.08em;
}
.nav-cta:hover{background:var(--red-dark);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--steel-900);margin:5px 0;}
.site-header.is-dark .nav-toggle span{background:var(--cream);}

@media (max-width:880px){
  .nav-links{
    position:fixed;top:64px;right:0;left:0;background:var(--steel-900);
    flex-direction:column;align-items:flex-start;padding:24px 28px;gap:18px;
    transform:translateY(-110%);opacity:0;transition:all .35s var(--ease);
    pointer-events:none;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{color:var(--cream-soft)!important;}
  .nav-toggle{display:block;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:center;
  background:var(--steel-900);color:var(--cream);overflow:hidden;
  padding-top:80px;
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 75% 50%, black 0%, transparent 70%);
  opacity:.5;
}
.hero-portal{
  position:absolute;right:-12%;top:50%;transform:translateY(-50%);
  width:62vh;height:62vh;max-width:680px;max-height:680px;
  border:3px solid var(--red);border-left:none;border-radius:0 100% 100% 0;
  opacity:.5;
}
.hero-portal::before{
  content:"";position:absolute;inset:60px -3px 60px auto;left:auto;right:-3px;
  width:0;
}
.hero-bars{
  position:absolute;right:8%;top:50%;transform:translateY(-50%);
  display:flex;align-items:center;gap:10px;height:160px;
}
.hero-bars span{
  width:10px;border-radius:6px;background:linear-gradient(180deg,var(--red-bright),var(--red-dark));
  animation:heroWave 2.6s ease-in-out infinite;
}
.hero-bars span:nth-child(1){height:30%;animation-delay:0s;}
.hero-bars span:nth-child(2){height:55%;animation-delay:.15s;}
.hero-bars span:nth-child(3){height:85%;animation-delay:.3s;}
.hero-bars span:nth-child(4){height:100%;animation-delay:.45s;}
.hero-bars span:nth-child(5){height:70%;animation-delay:.6s;}
.hero-bars span:nth-child(6){height:45%;animation-delay:.75s;}
.hero-bars span:nth-child(7){height:62%;animation-delay:.9s;}
@keyframes heroWave{0%,100%{transform:scaleY(.35);}50%{transform:scaleY(1);}}

.hero-content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%;}
.hero-content .eyebrow{color:var(--red-bright);}
.hero h1{
  font-size:clamp(3rem,8vw,6.4rem);
  max-width:780px;
  background:linear-gradient(180deg,#fff,#cfd3d6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 em{
  font-style:normal;color:var(--red-bright);
  background:none;-webkit-text-fill-color:var(--red-bright);
}
.hero p.lead{
  max-width:520px;color:var(--steel-300);font-size:1.05rem;margin-top:18px;
}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;font-weight:700;font-size:.82rem;letter-spacing:.08em;
  text-transform:uppercase;border-radius:2px;border:1px solid transparent;
  transition:all .3s var(--ease);cursor:pointer;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-bright);transform:translateY(-2px);}
.btn-ghost{border-color:var(--line-dark);color:var(--cream);}
.btn-ghost:hover{border-color:var(--cream);background:rgba(255,255,255,.06);}
.btn-dark{border-color:var(--steel-700);color:var(--steel-900);}
.btn-dark:hover{background:var(--steel-900);color:var(--cream);}

.scroll-cue{
  position:absolute;left:28px;bottom:28px;display:flex;align-items:center;gap:12px;
  color:var(--steel-300);font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;z-index:2;
}
.scroll-cue .line{width:1px;height:34px;background:var(--steel-300);position:relative;overflow:hidden;}
.scroll-cue .line::after{
  content:"";position:absolute;top:-100%;left:0;width:100%;height:100%;
  background:var(--red-bright);animation:scrolldown 1.8s ease-in-out infinite;
}
@keyframes scrolldown{0%{top:-100%;}50%{top:0;}100%{top:100%;}}

/* ---------- secciones generales ---------- */
section{padding:110px 0;}
.section-tight{padding:80px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(2.1rem,4.2vw,3.2rem);}
.section-head p{color:var(--steel-600);font-size:1.05rem;margin-top:14px;}
.bg-dark{background:var(--steel-900);color:var(--cream);}
.bg-dark .section-head p{color:var(--steel-300);}
.bg-soft{background:var(--cream-soft);}

/* grid de identidad / stats */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);margin-top:50px;
}
.stat{background:var(--cream);padding:28px 24px;}
.stat .num{font-family:var(--font-display);font-size:2.6rem;color:var(--red);}
.stat .num small{font-size:1.2rem;color:var(--steel-600);}
.stat .label{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--steel-600);margin-top:6px;}
@media(max-width:880px){.stat-row{grid-template-columns:repeat(2,1fr);}}

/* tarjetas servicio */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.card{
  background:var(--cream);padding:36px 30px;transition:background .35s var(--ease);
  position:relative;
}
.card:hover{background:var(--steel-900);color:var(--cream);}
.card:hover .card-num{color:var(--red-bright);}
.card-num{font-family:var(--font-mono);color:var(--red);font-size:.8rem;letter-spacing:.1em;}
.card h3{font-size:1.4rem;margin:14px 0 10px;text-transform:none;}
.card p{color:var(--steel-600);font-size:.95rem;}
.card:hover p{color:var(--steel-300);}
@media(max-width:880px){.cards{grid-template-columns:1fr;}}

/* franja de onda divisoria */
.divider-wave{height:90px;width:100%;display:block;}

/* equipo / personas */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:50px;}
.person{}
.person .photo{
  aspect-ratio:4/5;background:var(--steel-700);overflow:hidden;border-radius:2px;margin-bottom:16px;
  position:relative;
}
.person .photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(.15);transition:transform .5s var(--ease);}
.person:hover .photo img{transform:scale(1.05);}
.person h4{font-size:1.2rem;}
.person .role{color:var(--red);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-top:4px;}
@media(max-width:880px){.team-grid{grid-template-columns:1fr 1fr;}}

/* timeline / proceso */
.timeline{position:relative;margin-top:50px;border-left:2px solid var(--line);padding-left:36px;}
.timeline .step{position:relative;padding-bottom:46px;}
.timeline .step:last-child{padding-bottom:0;}
.timeline .step::before{
  content:"";position:absolute;left:-43px;top:2px;width:14px;height:14px;
  border-radius:50%;background:var(--cream);border:3px solid var(--red);
}
.timeline .step .tag{font-family:var(--font-mono);font-size:.74rem;color:var(--red);letter-spacing:.1em;}
.timeline .step h4{font-size:1.25rem;margin:6px 0 8px;text-transform:none;}
.timeline .step p{color:var(--steel-600);max-width:560px;}

/* galeria cabinas */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px;}
.gallery figure{margin:0;position:relative;overflow:hidden;border-radius:2px;}
.gallery img{width:100%;height:320px;object-fit:cover;transition:transform .6s var(--ease);}
.gallery figure:hover img{transform:scale(1.08);}
.gallery figcaption{
  position:absolute;left:0;bottom:0;right:0;padding:18px;
  background:linear-gradient(180deg,transparent,rgba(21,24,27,.92));color:#fff;
  font-size:.85rem;letter-spacing:.04em;
}
@media(max-width:880px){.gallery{grid-template-columns:1fr;}}

/* blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:50px;}
.post{background:#fff;border:1px solid var(--line);transition:transform .35s var(--ease),box-shadow .35s var(--ease);}
.post:hover{transform:translateY(-6px);box-shadow:0 18px 40px -22px rgba(21,24,27,.4);}
.post img{height:200px;width:100%;object-fit:cover;}
.post .body{padding:24px;}
.post .meta{font-family:var(--font-mono);font-size:.72rem;color:var(--red);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;}
.post h3{font-size:1.25rem;text-transform:none;line-height:1.3;}
.post p{color:var(--steel-600);font-size:.9rem;margin-top:10px;}
.post .read{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--steel-900);margin-top:14px;text-transform:uppercase;}
.post .read::after{content:"→";transition:transform .3s var(--ease);}
.post:hover .read::after{transform:translateX(4px);}
@media(max-width:880px){.blog-grid{grid-template-columns:1fr;}}

/* contacto */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.contact-info .row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);}
.contact-info .row .ico{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--red);
  display:flex;align-items:center;justify-content:center;color:var(--red);flex-shrink:0;
}
.contact-info h4{font-size:.9rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;}
.contact-info .row p{margin:0;color:var(--steel-600);font-size:.92rem;}
form.contact-form{display:flex;flex-direction:column;gap:18px;}
.field{position:relative;}
.field input,.field textarea,.field select{
  width:100%;padding:14px 4px;border:none;border-bottom:1px solid var(--steel-300);
  background:transparent;font-family:var(--font-body);font-size:1rem;color:var(--steel-900);
  transition:border-color .3s var(--ease);
}
.field textarea{resize:vertical;min-height:90px;}
.field label{
  position:absolute;left:4px;top:14px;color:var(--steel-600);font-size:1rem;
  transition:all .2s var(--ease);pointer-events:none;
}
.field input:focus,.field textarea:focus{border-color:var(--red);outline:none;}
.field input:focus + label,.field textarea:focus + label,
.field input:not(:placeholder-shown) + label,.field textarea:not(:placeholder-shown) + label{
  top:-6px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--red);
}
.form-status{font-size:.85rem;color:var(--steel-600);min-height:20px;}

/* footer */
.site-footer{background:var(--steel-900);color:var(--cream-soft);padding:70px 0 26px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
.footer-grid h5{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--red-bright);margin-bottom:16px;}
.footer-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:var(--steel-300);font-size:.9rem;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid var(--line-dark);margin-top:50px;padding-top:22px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  font-size:.78rem;color:var(--steel-300);
}
.socials{display:flex;gap:14px;}
.socials a{
  width:34px;height:34px;border:1px solid var(--line-dark);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);
}
.socials a:hover{background:var(--red);border-color:var(--red);}
@media(max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* page hero pequeño (subpáginas) */
.page-hero{
  background:var(--steel-900);color:var(--cream);padding:160px 0 70px;position:relative;overflow:hidden;
}
.page-hero .wave-bars span{background:var(--red-bright);}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.4rem);}
.breadcrumb{font-family:var(--font-mono);font-size:.75rem;color:var(--steel-300);letter-spacing:.08em;text-transform:uppercase;margin-top:10px;}
.breadcrumb a{color:var(--red-bright);}

.cta-band{
  background:var(--red);color:#fff;padding:70px 0;text-align:center;
}
.cta-band h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:20px;}
.cta-band .btn-ghost{border-color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.15);}