/* =====================================================================
   Party House — Underground Graphic Line
   Rave privada · Fotocopiado · Nocturno · Editorial alternativo
   Paleta: #050505 negro · #F1EEE8 blanco roto · #B7B3AA gris sucio · #1A1A1A carbón
   ===================================================================== */

:root {
  --black:    #050505;
  --carbon:   #1A1A1A;
  --ink:      #0e0e0e;
  --border-c: #2a2622;
  --white:    #F1EEE8;
  --gray:     #B7B3AA;
  --gray-dk:  #6e6b65;
  --accent:   #2B0A3D;

  --color-bg:        var(--black);
  --color-bg-alt:    var(--carbon);
  --color-surface:   var(--ink);
  --color-surface-2: var(--carbon);
  --color-border:    var(--border-c);
  --color-text:      var(--white);
  --color-text-dim:  var(--gray);

  --neon-pink:   var(--white);
  --neon-cyan:   var(--gray);
  --neon-purple: var(--accent);
  --neon-gold:   var(--gray);
  --gradient-neon: linear-gradient(135deg, var(--white) 0%, var(--gray) 100%);

  --font-display: 'Bebas Neue', 'Impact', 'Arial Narrow', sans-serif;
  --font-ui:      'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Barlow Condensed', 'Inter', Arial, sans-serif;
  --font-script:  'Dancing Script', cursive;

  --radius: 1px;
  --shadow-neon: 0 4px 20px rgba(0,0,0,0.8);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

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

/* Grano analógico — textura fotocopiada */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 220px 220px;
  opacity: 0.09;
  mix-blend-mode: screen;
}

body::before { content: none; }

/* --------- Navbar --------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  background: rgba(5,5,5,0.96);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border-c);
  z-index: 10;
}
.logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 6px;
  color: var(--white);
  text-transform: uppercase;
  text-shadow: none;
}
.navbar nav a {
  margin-left: 24px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--gray);
  text-transform: uppercase;
  transition: color 0.2s;
}
.navbar nav a:hover { color: var(--white); }

/* --------- Hero --------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px 40px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  z-index: 1;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 400;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--white);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  filter: none;
  animation: none;
  line-height: 1;
}
.hero p.tagline {
  margin-top: 16px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--gray);
  letter-spacing: 3px;
  text-transform: uppercase;
}
.hero .cta-row { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

@keyframes neonPulse { 0%, 100% { opacity: 1; } }

/* --------- Botones --------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border: 1px solid var(--white);
  border-radius: 0;
  background: transparent;
  color: var(--white);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}
.btn:hover { background: var(--white); color: var(--black); transform: none; box-shadow: none; }
.btn-primary { background: var(--white); color: var(--black); border-color: var(--white); font-weight: 800; }
.btn-primary:hover { background: transparent; color: var(--white); box-shadow: none; transform: none; }

/* --------- Card --------- */
.card {
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
  padding: 32px;
  background: rgba(10,10,10,0.97);
  border: 1px solid var(--border-c);
  border-radius: 0;
  box-shadow: none;
}
.card h2 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 8px;
  color: var(--white);
  text-shadow: none;
}
.card p.subtitle { color: var(--gray); margin-bottom: 24px; font-size: 0.9rem; letter-spacing: 0.8px; }

/* --------- Campos --------- */
.field { margin-bottom: 18px; text-align: left; }
.field label {
  display: block;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 6px;
}
.field input, .field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--carbon);
  border: 1px solid var(--border-c);
  border-radius: 0;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--white); box-shadow: none; }
.field input::placeholder { color: var(--gray-dk); }
.field small { color: var(--gray); font-size: 0.8rem; margin-top: 4px; display: block; }

/* --------- Alertas --------- */
.alert {
  padding: 12px 14px;
  border-radius: 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; }
.alert-error   { background: rgba(80,0,0,0.35);  border: 1px solid #7a2020; color: #dda0a0; }
.alert-success { background: rgba(0,50,25,0.35); border: 1px solid #1e4020; color: #90c890; }
.alert-warn    { background: rgba(55,45,0,0.35); border: 1px solid #5a4c10; color: #ccc080; }

/* --------- Secciones --------- */
section.section { padding: 80px 40px; position: relative; z-index: 1; }
section.section h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  letter-spacing: 6px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 40px;
  color: var(--white);
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  max-width: 1100px;
  margin: 0 auto;
  background: var(--border-c);
  border: 1px solid var(--border-c);
}
.amenity { padding: 28px 24px; background: var(--black); border: none; border-radius: 0; transition: background 0.2s; }
.amenity:hover { background: var(--carbon); transform: none; box-shadow: none; }
.amenity h3 { color: var(--white); font-family: var(--font-display); font-size: 1.4rem; letter-spacing: 3px; margin-bottom: 10px; text-shadow: none; }
.amenity p { color: var(--gray); line-height: 1.6; font-size: 0.95rem; }

/* --------- Pago --------- */
.pay-options { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 20px 0; background: var(--border-c); }
.pay-option { border: none; border-radius: 0; padding: 18px; cursor: pointer; text-align: center; transition: background 0.2s; background: var(--carbon); }
.pay-option:hover { background: var(--ink); box-shadow: none; }
.pay-option.active { background: var(--black); border: 1px solid rgba(241,238,232,0.35); box-shadow: none; }
.pay-option strong { display: block; font-family: var(--font-ui); font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 6px; }
.pay-option small { color: var(--gray); font-size: 0.78rem; }
.pay-panel { display: none; padding-top: 14px; }
.pay-panel.active { display: block; }

/* --------- Ticket --------- */
.ticket {
  max-width: 460px; margin: 0 auto; padding: 32px;
  border-radius: 0; background: var(--carbon);
  border: 1px solid var(--border-c); box-shadow: none; text-align: center;
}
.ticket img.qr { margin: 20px auto; border-radius: 0; background: #fff; padding: 8px; }
.ticket h3 { font-family: var(--font-display); font-size: 1.7rem; letter-spacing: 4px; color: var(--white); text-shadow: none; }
.ticket .code-tag {
  display: inline-block; margin-top: 10px; padding: 6px 14px; border-radius: 0;
  background: transparent; border: 1px solid var(--gray-dk);
  color: var(--gray); letter-spacing: 3px; font-family: var(--font-display); font-size: 1rem;
}

/* --------- Footer --------- */
footer {
  text-align: center; padding: 40px 20px; color: var(--gray-dk);
  font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 2.5px;
  text-transform: uppercase; border-top: 1px solid var(--border-c); margin-top: 60px;
}

/* --------- Responsive --------- */
@media (max-width: 860px) {
  .hero { padding: 110px 24px 50px; }
  section.section { padding: 60px 24px; }
}
@media (max-width: 640px) {
  .navbar { padding: 12px 18px; flex-wrap: wrap; gap: 8px; }
  .logo { font-size: 20px; letter-spacing: 4px; }
  .navbar nav a { margin-left: 12px; font-size: 11px; letter-spacing: 1.5px; }
  .hero { padding: 110px 18px 40px; }
  .hero h1 { letter-spacing: 4px; }
  .hero p.tagline { font-size: 0.82rem; }
  section.section { padding: 50px 18px; }
  section.section h2 { font-size: 2.2rem; letter-spacing: 4px; margin-bottom: 28px; }
  .card { padding: 24px; }
  .pay-options { grid-template-columns: 1fr; }
  .ticket { padding: 22px; }
  footer { padding: 30px 18px; }
}
@media (max-width: 380px) {
  .navbar nav a { margin-left: 8px; font-size: 10px; }
  .logo { font-size: 18px; }
}