/* ===================== KAMUK BRAND ===================== */
:root{
  /* Palette */
  --kamuk-red:     #FF4D4F; /* energía y calidez */
  --kamuk-gold:    #FFA726; /* optimismo */
  --kamuk-teal:    #00897B; /* confianza */
  --kamuk-sky:     #81D4FA; /* imaginación */
  --ink:           #111111;
  --muted:         #5f6368;
  --card:          #ffffff;

  /* Layout */
  --radius: 18px;
  --shadow: 0 8px 28px rgba(0,0,0,.10);
}

/* Base */
*{box-sizing:border-box}
html,body{margin:0}
body{
  font-family:Poppins, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--ink);
  line-height:1.55;
  /* Fondo con degradado suave amanecer */
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255,77,79,.12), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(129,212,250,.18), transparent 60%),
    linear-gradient(180deg, #fffdf8 0%, #fff9f1 100%);
}

img{max-width:100%;height:auto;display:block}
a{color:var(--kamuk-teal);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
header{
  position:sticky; 
  top:0; 
  z-index:10;
  background:rgba(255,255,255,.8);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid rgba(0,0,0,.06);
}

.nav{
  max-width:1100px;
  margin:0 auto;
  padding:15px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between
}

.logo{
  display:flex;
  gap:10px;
  align-items:center
}

.logo img{
  width:48px;
  height:48px
}

.logo b{
  font-family:'Nunito Sans', system-ui; 
  font-weight:800; 
  font-size:20px; 
  letter-spacing:.2px
}

nav a{
  margin:0 10px;
  font-weight:600;
  transition: color 0.3s ease;
}

nav a:hover{
  color:var(--kamuk-red);
  text-decoration:none;
}

/* Hero */
.hero{
  max-width:1100px;
  margin:42px auto;
  padding:0 20px;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:28px;
  align-items:center
}

h1{
  font-family:'Nunito Sans', system-ui; 
  font-weight:800; 
  font-size:48px; 
  line-height:1.1; 
  margin:.1rem 0 .5rem
}

.tag{
  color:var(--muted);
  margin-bottom:14px
}

.cover{
  border-radius:20px; 
  box-shadow:var(--shadow);
  transition: transform 0.3s ease;
}

.cover:hover{
  transform: translateY(-5px);
}

/* Buttons */
.btn{
  display:inline-block;
  padding:12px 18px;
  border-radius:var(--radius);
  font-weight:700;
  border:2px solid transparent;
  box-shadow:var(--shadow);
  transition: all 0.3s ease;
  cursor:pointer;
}

.btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,.15);
  text-decoration:none;
}

.btn.primary{
  background:var(--kamuk-red); 
  color:#fff
}

.btn.primary:hover{
  background:#ff3638;
}

.btn.secondary{
  background:#fff; 
  border-color:var(--kamuk-gold); 
  color:var(--ink)
}

.btn.secondary:hover{
  background:var(--kamuk-gold);
  color:#fff;
}

.btn.ghost{
  background:transparent; 
  border-color:rgba(0,0,0,.08);
  box-shadow:none;
}

.btn.ghost:hover{
  background:rgba(0,0,0,.05);
}

.ctas{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:20px;
}

/* Sections / cards */
.section{
  scroll-margin-top:80px
}

.grid{
  max-width:1100px;
  margin:32px auto;
  padding:0 20px;
  display:grid;
  gap:20px
}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
  transition: transform 0.3s ease;
}

.card:hover{
  transform: translateY(-3px);
}

h2{
  font-family:'Nunito Sans', system-ui; 
  font-weight:800; 
  font-size:32px; 
  margin:.2rem 0 .6rem
}

/* Tabs */
.tabs{
  display:flex;
  gap:8px;
  margin:10px 0 16px
}

.tab{
  padding:8px 12px;
  border-radius:12px;
  border:2px solid var(--kamuk-gold);
  background:#fff;
  font-weight:800;
  cursor:pointer;
  transition: all 0.3s ease;
}

.tab:hover{
  background:var(--kamuk-gold);
  color:#fff;
}

.tab[aria-selected="true"]{
  background:var(--kamuk-teal);
  border-color:var(--kamuk-teal);
  color:#fff;
}

/* Players & layout */
.player{
  width:100%;
  height:200px;
  border:0;
  border-radius:12px;
  background:#f4f6f7
}

audio{
  width:100%;
  margin-top:10px;
  border-radius:8px;
}

.two{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px
}

.lyrics{
  font-size:15px;
  color:#333;
  margin-top:10px
}

details summary{
  cursor:pointer;
  font-weight:600;
  transition: color 0.3s ease;
}

details summary:hover{
  color:var(--kamuk-teal);
}

/* Accent badges / tagline */
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:linear-gradient(90deg,var(--kamuk-sky),#b3e5fc);
  color:#0d3b47;
  padding:6px 10px;
  border-radius:999px;
  font-weight:700;
  font-size:14px;
}

/* Activities list */
#activities ul{
  list-style:none;
  padding:0;
}

#activities li{
  padding:10px 0;
  border-bottom:1px solid rgba(0,0,0,.06);
  transition: padding-left 0.3s ease;
}

#activities li:hover{
  padding-left:10px;
}

#activities a{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
}

#activities a:before{
  content:'📄';
  font-size:20px;
}

/* Footer */
footer{
  margin:48px 0 60px;
  text-align:center;
  color:var(--muted);
  font-size:14px;
}

/* Loading state */
.loading{
  opacity:0.6;
  pointer-events:none;
}

/* Responsive */
@media (max-width:920px){
  .hero{
    grid-template-columns:1fr;
    text-align:center;
  }
  
  .hero .ctas{
    justify-content:center;
  }
  
  .two{
    grid-template-columns:1fr
  }
  
  h1{
    font-size:40px
  }
  
  h2{
    font-size:28px
  }
  
  .nav{
    flex-direction:column;
    gap:15px;
  }
  
  nav{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:5px;
  }
  
  nav a{
    margin:0 5px;
  }
}

@media (max-width:640px){
  h1{
    font-size:32px
  }
  
  h2{
    font-size:24px
  }
  
  .ctas{
    flex-direction:column;
  }
  
  .btn{
    width:100%;
    text-align:center;
  }
}