/* Level Studio — demo conceptual Ingresify
   Paleta: negro cálido + hueso + verde lima (acento único, evita azul-violeta genérico)
   Tipografía: Anton (display, energía de cartel de baile) + Manrope (cuerpo, legible) */

:root{
  --bg: #101014;
  --bg-alt: #17171c;
  --ink: #F5F3EE;
  --ink-dim: #B9B6AE;
  --accent: #D6FF3F;
  --line: #2A2A31;
  --radius: 2px;
  --maxw: 1180px;
  --pad: 18px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Manrope', system-ui, -apple-system, Segoe UI, sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

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

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
}

a{color:inherit;}

h1,h2,h3{
  font-family:'Anton', 'Manrope', sans-serif;
  font-weight:400;
  letter-spacing:0.01em;
  text-transform:uppercase;
  margin:0;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--accent);
  color:#101014;
  padding:10px 16px;
  z-index:200;
  font-weight:700;
}
.skip-link:focus{
  left:12px;
  top:12px;
}

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(16,16,20,0.9);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:8px;
  text-decoration:none;
  color:var(--ink);
}
.brand-mark{color:var(--accent); display:flex;}
.brand-name{
  font-family:'Anton', sans-serif;
  font-size:1.05rem;
  letter-spacing:0.04em;
}

.nav-desktop{display:none;}

.menu-toggle{
  width:44px;
  height:44px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  background:none;
  border:0;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  width:22px;
  height:2px;
  background:var(--ink);
}

.mobile-nav{
  position:fixed;
  inset:64px 0 0 0;
  background:var(--bg);
  z-index:99;
  display:flex;
  flex-direction:column;
  padding:24px var(--pad);
  gap:4px;
  overflow-y:auto;
}
.mobile-nav[hidden]{display:none;}
.mobile-nav a{
  font-family:'Anton', sans-serif;
  font-size:2rem;
  text-transform:uppercase;
  text-decoration:none;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero-bars{
  position:absolute;
  inset:0;
  display:flex;
  align-items:flex-end;
  justify-content:flex-end;
  gap:10px;
  padding:0 6px 0 0;
  opacity:0.5;
  pointer-events:none;
}
.hero-bars span{
  display:block;
  width:14px;
  background:linear-gradient(180deg, var(--accent), transparent 140%);
  opacity:0.55;
  animation:barPulse 3.6s 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:.2s;}
.hero-bars span:nth-child(3){height:38%; animation-delay:.4s;}
.hero-bars span:nth-child(4){height:70%; animation-delay:.1s;}
.hero-bars span:nth-child(5){height:44%; animation-delay:.5s;}
.hero-bars span:nth-child(6){height:62%; animation-delay:.3s;}
.hero-bars span:nth-child(7){height:34%; animation-delay:.6s;}
.hero-bars span:nth-child(8){height:50%; animation-delay:.15s;}

@keyframes barPulse{
  0%,100%{transform:scaleY(1);}
  50%{transform:scaleY(0.72);}
}
@media (prefers-reduced-motion: reduce){
  .hero-bars span{animation:none;}
}

.hero-inner{position:relative;}

.eyebrow{
  text-transform:uppercase;
  letter-spacing:0.12em;
  font-size:0.78rem;
  color:var(--accent);
  font-weight:700;
  margin:0 0 18px;
}

.hero-title{
  font-size:clamp(3rem, 15vw, 6.4rem);
  line-height:0.92;
  margin:0 0 18px;
  max-width:11ch;
}

.hero-tagline{
  font-size:clamp(1.15rem, 4.2vw, 1.5rem);
  color:var(--ink);
  font-weight:700;
  margin:0 0 10px;
  max-width:22ch;
}

.hero-sub{
  color:var(--ink-dim);
  max-width:44ch;
  margin:0 0 32px;
  font-size:1rem;
}

.hero-actions{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 26px;
  text-decoration:none;
  font-weight:700;
  font-size:0.95rem;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
  width:100%;
}
.btn-primary{
  background:var(--accent);
  color:#101014;
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-ghost{
  background:var(--bg);
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--ink-dim);}
.btn-large{font-size:1.05rem; padding:0 32px;}

@media (min-width:480px){
  .hero-actions{flex-direction:row;}
  .btn{width:auto;}
}

/* ---------- Sections ---------- */
.section{
  position:relative;
  padding:56px 0;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.section-alt{background:var(--bg-alt);}
.section-cta{
  background:var(--bg-alt);
  border-bottom:none;
}

.section-num{
  display:none;
}

.kicker{
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:700;
  margin:0 0 14px;
}

.section h2{
  font-size:clamp(1.7rem, 6vw, 2.6rem);
  line-height:1.05;
  margin:0 0 20px;
  max-width:16ch;
}

.lead{
  color:var(--ink-dim);
  font-size:1.05rem;
  max-width:56ch;
  margin:0 0 28px;
}

/* ---------- Social ---------- */
.social-grid{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
.social-card{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  border:1px solid var(--line);
  text-decoration:none;
  color:var(--ink);
  border-radius:var(--radius);
  transition:border-color .15s ease, background .15s ease;
}
.social-card:hover{border-color:var(--accent); background:rgba(214,255,63,0.04);}
.social-card svg{flex-shrink:0; color:var(--accent);}
.social-card span:nth-child(2){font-weight:700; margin-right:auto;}
.social-handle{color:var(--ink-dim); font-size:0.9rem;}

@media (min-width:768px){
  .social-grid{grid-template-columns:repeat(3, 1fr);}
  .social-card{flex-direction:column; align-items:flex-start; gap:10px; padding:24px;}
  .social-card span:nth-child(2){margin-right:0; font-size:1.05rem;}
}

/* ---------- Footer ---------- */
.site-footer{
  padding:40px 0 32px;
}
.footer-inner{
  display:flex;
  flex-direction:column;
  gap:20px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:'Anton', sans-serif;
  font-size:0.9rem;
  letter-spacing:0.04em;
}
.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  font-size:0.9rem;
}
.footer-links a{text-decoration:none; color:var(--ink-dim);}
.footer-links a:hover{color:var(--accent);}
.footer-disclaimer{
  color:var(--ink-dim);
  font-size:0.78rem;
  line-height:1.5;
  max-width:60ch;
  margin:0;
  padding-top:16px;
  border-top:1px solid var(--line);
}

/* ---------- Reveal on scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease, transform .5s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
}

/* ---------- Breakpoints ≥768 ---------- */
@media (min-width:768px){
  :root{--pad:32px;}
  .nav-desktop{
    display:flex;
    align-items:center;
    gap:28px;
    font-weight:600;
    font-size:0.95rem;
  }
  .nav-desktop a{text-decoration:none;}
  .nav-desktop a:hover{color:var(--accent);}
  .nav-cta{
    background:var(--accent);
    color:#101014 !important;
    padding:10px 18px;
    border-radius:var(--radius);
    font-weight:700;
  }
  .menu-toggle,.mobile-nav{display:none;}
  .hero{padding:96px 0 110px;}
  .section{padding:88px 0;}
}

@media (min-width:1024px){
  :root{--pad:40px;}
  .hero-inner{max-width:64%;}

  .section-num{
    display:block;
    position:absolute;
    right:2%;
    top:50%;
    transform:translateY(-50%);
    font-family:'Anton', sans-serif;
    font-size:min(26vw, 340px);
    line-height:1;
    color:transparent;
    -webkit-text-stroke:1.5px var(--line);
    pointer-events:none;
    user-select:none;
  }
  .section .wrap{position:relative; z-index:1;}
}

@media (min-width:1280px){
  .hero{padding:120px 0 130px;}
}