/* =========================================================
   CABINA51 — Design tokens
   Concepto: cabina de grabación / consola de mezcla.
   Paleta cálida casi-negra (luz tenue de estudio),
   rojo "REC" como acento principal, bronce como acento secundario.
   ========================================================= */
:root{
  --bg:        #15130F;
  --bg-panel:  #1D1A14;
  --bg-panel-2:#262119;
  --line:      rgba(242,237,228,0.10);
  --line-strong: rgba(242,237,228,0.18);

  --text:      #F2EDE4;
  --text-muted:#9C9486;

  --rec:       #FF4D2E;
  --rec-dim:   rgba(255,77,46,0.16);
  --cyan:      #1FE3EE;
  --cyan-dim:  rgba(31,227,238,0.16);

  --font-display: "Oswald", sans-serif;
  --font-body: "Work Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --container: 1140px;
  --radius: 10px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1,h2,h3{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0;
  color: var(--text);
}

h2{ font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 600; }
h3{ font-size: 1.15rem; font-weight: 600; letter-spacing: 0.02em; }

p{ margin: 0 0 1rem; color: var(--text-muted); }
a{ color: inherit; text-decoration: none; }

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

/* subtle grain texture overlay */
.grain{
  position: fixed; inset: 0; z-index: 999; pointer-events:none;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.container, .header-inner, .hero-inner, .section-inner, .stats-inner, .footer-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* =========================================================
   Rack screws — pequeño detalle de "equipo montado en rack"
   usado en hero y contacto.
   ========================================================= */
.rack-screws{ position:absolute; inset:0; pointer-events:none; }
.rack-screws span{
  position:absolute; width:6px; height:6px; border-radius:50%;
  background: radial-gradient(circle at 35% 35%, #4a4438, #110f0b);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
}
.rack-screws span:nth-child(1){ top:18px; left:18px; }
.rack-screws span:nth-child(2){ top:18px; right:18px; }
.rack-screws span:nth-child(3){ bottom:18px; left:18px; }
.rack-screws span:nth-child(4){ bottom:18px; right:18px; }

/* =========================================================
   HEADER
   ========================================================= */
.header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: rgba(21,19,15,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark-img{ height: 34px; width: auto; display:block; }
.brand-mark{
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500;
  color: var(--bg); background: var(--rec);
  padding: 4px 7px; border-radius: 4px; letter-spacing: 0.05em;
}
.brand-text{
  font-family: var(--font-display); letter-spacing: 0.04em;
  font-size: 1.05rem; font-weight: 500;
}
.brand-text strong{ color: var(--cyan); font-weight: 700; }

.nav{ display:flex; align-items:center; gap: 28px; }
.nav a{
  font-family: var(--font-mono); font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted);
  position: relative; padding: 6px 0;
  transition: color 0.2s ease;
}
.nav a::before{
  content: "CH." attr(data-ch) " "; color: var(--rec); opacity: 0.7;
}
.nav a:hover{ color: var(--text); }
.nav a.nav-cta{
  border: 1px solid var(--line-strong); padding: 8px 16px; border-radius: 30px;
  color: var(--text);
}
.nav a.nav-cta:hover{ border-color: var(--rec); color: var(--rec); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 36px; height: 36px; background: none; border:none; cursor:pointer;
}
.nav-toggle span{ height:2px; background: var(--text); border-radius: 2px; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position: relative;
  min-height: 100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding: 140px 24px 80px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--rec-dim), transparent 70%),
    var(--bg);
  overflow:hidden;
}
.hero::before{
  content:""; position:absolute; inset:0; z-index:0;
  background: url("../images/marcianos-pattern.jpg") repeat; background-size: 520px;
  opacity: 0.07; mix-blend-mode: screen;
}
.hero-inner{ max-width: 760px; position:relative; z-index:1; }

.onair{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--rec);
  border: 1px solid rgba(255,77,46,0.4); border-radius: 30px;
  padding: 7px 14px; margin: 0 0 28px;
}
.onair-dot{
  width:7px; height:7px; border-radius:50%; background: var(--rec);
  box-shadow: 0 0 0 0 rgba(255,77,46,0.7);
  animation: pulse 1.6s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(255,77,46,0.55); }
  70%{ box-shadow: 0 0 0 8px rgba(255,77,46,0); }
  100%{ box-shadow: 0 0 0 0 rgba(255,77,46,0); }
}

.hero-title{
  font-size: clamp(3.2rem, 13vw, 7rem);
  font-weight: 700; letter-spacing: 0.01em; line-height: 0.95;
}
.hero-title .fifty-one{ color: var(--cyan); }
.hero-logo{
  max-width: min(520px, 86vw);
  width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 0 36px rgba(31,227,238,0.18));
}

.hero-tagline{
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 560px; margin: 24px auto 36px; color: var(--text-muted);
}

.hero-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; margin-bottom: 56px; }

.btn{
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 28px; border-radius: 30px; display:inline-block;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn-primary{ background: var(--rec); color: #15100D; font-weight:600; }
.btn-primary:hover{ transform: translateY(-2px); background:#ff6647; }
.btn-ghost{ border: 1px solid var(--line-strong); color: var(--text); }
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }
.btn-block{ width:100%; text-align:center; border:none; cursor:pointer; }

/* VU meter decorativo */
.vu-meter{ display:flex; flex-direction:column; align-items:center; gap:10px; }
.vu-bars{ display:flex; gap:4px; align-items:flex-end; height: 38px; }
.vu-bars span{
  width: 5px; border-radius: 2px;
  background: linear-gradient(to top, var(--cyan), var(--rec));
  animation: vu 1.2s ease-in-out infinite;
  opacity: 0.85;
}
.vu-bars span:nth-child(odd){ animation-duration: 0.9s; }
.vu-bars span:nth-child(3n){ animation-duration: 1.4s; }
.vu-bars span:nth-child(4n){ animation-delay: 0.2s; }
.vu-bars span:nth-child(5n){ animation-delay: 0.4s; }
@keyframes vu{
  0%, 100%{ height: 20%; }
  50%{ height: 100%; }
}
.vu-label{ font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.3em; color: var(--text-muted); }

.scroll-cue{
  position:absolute; bottom: 28px; left:50%; transform: translateX(-50%);
  width: 22px; height: 36px; border: 1px solid var(--line-strong); border-radius: 14px;
}
.scroll-cue span{
  position:absolute; top:6px; left:50%; width:3px; height:7px; margin-left:-1.5px;
  background: var(--cyan); border-radius: 2px;
  animation: scrollcue 1.6s infinite;
}
@keyframes scrollcue{
  0%{ opacity:1; transform: translateY(0); }
  70%{ opacity:0; transform: translateY(12px); }
  100%{ opacity:0; }
}

/* =========================================================
   STATS STRIP
   ========================================================= */
.stats{ background: var(--bg-panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats-inner{
  display:grid; grid-template-columns: repeat(4, 1fr);
  padding: 36px 24px;
}
.stat{ text-align:center; }
.stat-num{
  display:block; font-family: var(--font-display); font-weight:700;
  font-size: clamp(1.8rem, 4vw, 2.4rem); color: var(--cyan);
}
.stat-label{
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-muted);
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section{ padding: 100px 0; position: relative; }
.section-alt{ background: var(--bg-panel); }
.section-contact{ background: var(--bg-panel); }

.section-head{ margin-bottom: 44px; }
.section-head-center{ text-align:center; }
.ch-label{
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.15em;
  color: var(--rec); display:block; margin-bottom: 10px;
}
.section-sub{ margin-top: 14px; max-width: 540px; }
.section-head-center .section-sub{ margin-left:auto; margin-right:auto; }

.two-col{ display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items:start; }
.section-body p{ font-size: 1.02rem; }

.link-arrow{
  display:inline-block; margin-top: 8px; color: var(--cyan);
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.03em;
  border-bottom: 1px solid transparent; transition: border-color 0.2s ease;
}
.link-arrow:hover{ border-color: var(--cyan); }

/* Servicios */
.cards-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.card{
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover{ border-color: var(--cyan); transform: translateY(-4px); }
.card-tag{
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--rec);
  display:block; margin-bottom: 14px;
}
.card p{ font-size: 0.92rem; margin:0; }

/* Trabajos */
.works-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.work-card{
  display:block; background: var(--bg-panel-2); border: 1px solid var(--line);
  border-radius: var(--radius); overflow:hidden; transition: border-color 0.2s ease, transform 0.2s ease;
}
.work-card:hover{ border-color: var(--rec); transform: translateY(-4px); }
.work-ch{
  display:block; font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-muted); padding: 12px 16px 0;
}
.work-thumb{
  aspect-ratio: 16/9; margin: 10px 16px 0;
  background: linear-gradient(135deg, var(--bg-panel), #0e0c09);
  border-radius: 6px; display:flex; align-items:center; justify-content:center;
}
.play-icon{ width: 34px; height:34px; fill: var(--text-muted); opacity:0.7; }
.work-card:hover .play-icon{ fill: var(--rec); opacity:1; }
.work-card h3{ padding: 14px 16px 0; font-size: 1rem; }
.work-card p{ padding: 6px 16px 18px; font-size: 0.85rem; margin:0; }

.works-cta{ text-align:center; margin-top: 40px; }

/* Artistas — sección con la textura de "marcianos" de fondo:
   la idea de marca es que el artista "sale" de la cabina hacia la escena. */
#artistas{ position: relative; overflow: hidden; }
#artistas::before{
  content:""; position:absolute; inset:0;
  background: url("../images/marcianos-pattern.jpg") repeat; background-size: 420px;
  opacity: 0.16; mix-blend-mode: screen;
}
#artistas::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, var(--bg-panel) 0%, rgba(29,26,20,0.55) 35%, var(--bg-panel) 100%);
}
#artistas .section-inner, #artistas .marquee{ position:relative; z-index:1; }

/* Artistas — marquee */
.marquee{
  overflow:hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 28px 0; margin-top: 10px;
  background: rgba(13,12,9,0.4);
}
.marquee-track{
  display:flex; gap: 48px; width: max-content;
  animation: scroll-left 22s linear infinite;
}
.marquee-item{
  font-family: var(--font-display); font-size: 1.6rem; letter-spacing: 0.03em;
  text-transform: uppercase; color: var(--text-muted); white-space:nowrap;
}
.marquee-item:nth-child(even){ color: var(--cyan); }
@keyframes scroll-left{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* Redes */
.social-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.social-card{
  background: var(--bg-panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 20px; text-align:center; transition: border-color 0.2s ease, transform 0.2s ease;
}
.social-card:hover{ border-color: var(--cyan); transform: translateY(-4px); }
.social-icon{ width: 30px; height: 30px; fill: var(--text); margin: 0 auto 14px; }
.social-card span{ display:block; font-family: var(--font-display); letter-spacing: 0.04em; text-transform: uppercase; }
.social-card small{ display:block; margin-top:4px; color: var(--text-muted); font-family: var(--font-mono); font-size: 0.78rem; }

/* Contacto */
.contact-list{ list-style:none; padding:0; margin: 28px 0 0; }
.contact-list li{
  display:flex; justify-content:space-between; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 0.9rem;
}
.contact-list li span{ color: var(--text-muted); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.06em; }
.contact-list li a{ color: var(--text); }
.contact-list li a:hover{ color: var(--rec); }

.contact-form{
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px;
}
.form-row{ margin-bottom: 18px; }
.form-row label{
  display:block; font-family: var(--font-mono); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px;
}
.form-row input, .form-row select, .form-row textarea{
  width:100%; background: var(--bg-panel); border: 1px solid var(--line-strong);
  border-radius: 6px; padding: 12px 14px; color: var(--text); font-family: var(--font-body);
  font-size: 0.95rem;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline: none; border-color: var(--rec);
}
.form-row textarea{ resize: vertical; }
.form-note{ margin-top: 14px; font-size: 0.85rem; min-height: 1.2em; }
.form-note.ok{ color: #7ED957; }
.form-note.err{ color: var(--rec); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{ background: var(--bg); border-top: 1px solid var(--line); padding: 50px 0 30px; text-align:center; }
.brand-footer{ display:inline-flex; justify-content:center; margin-bottom: 14px; }
.footer-social{ display:flex; gap: 20px; justify-content:center; margin: 18px 0; }
.footer-social a{ font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }
.footer-social a:hover{ color: var(--cyan); }
.footer-copy{ font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px){
  .two-col{ grid-template-columns: 1fr; gap: 36px; }
  .cards-grid{ grid-template-columns: repeat(2, 1fr); }
  .works-grid{ grid-template-columns: repeat(2, 1fr); }
  .social-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 700px){
  .nav{
    position: fixed; top: 72px; left:0; right:0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px 24px 16px;
    transform: translateY(-110%); transition: transform 0.25s ease;
  }
  .nav.open{ transform: translateY(0); }
  .nav a{ width:100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a.nav-cta{ border: none; margin-top: 8px; text-align:center; }
  .nav-toggle{ display:flex; }

  .stats-inner{ grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .cards-grid{ grid-template-columns: 1fr; }
  .works-grid{ grid-template-columns: 1fr; }
  .section{ padding: 70px 0; }
}