:root{
/*
    .montserrat-<uniquifier> {
  font-family: "Montserrat", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  }
  
  .open-sans-<uniquifier> {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
  }

  .roboto-<uniquifier> {
   font-family: "Roboto", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
  }
  */
  --radius:8px; 
  --color1:#00441b;
  --color2:#41ab5d;
  --color3:#e5f5e0;
  --color4:#f7fcf5;
  --color5:#000000;
  --color6:#780606;
  --color7:#ffd700;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #112019;
  --muted: #4c5f56;
  --line: rgba(22, 61, 45, 0.12);
  --accent: #234e3d;
  --accent-2: #2f6a52;
  --accent-3: #7ea48d;
  --shadow: 0 18px 50px rgba(17, 32, 25, 0.10);
  --shadow-soft: 0 10px 30px rgba(17, 32, 25, 0.08);
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --max: 980px;
  --background: rgba(255,255,255,0.74);
  --blur: blur(0.3rem);
  
}
/* CONFIGRACIÓN GENERAL DE LA PÁGINA */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body{
  color:var(--text);
  background:url(/assets/Fondo_piano.jpg) center/cover;
  background-attachment: fixed;
  inset:0;
  font-family: "Roboto", sans-serif;
  margin:0;
 }
a { color: inherit; text-decoration: none; cursor: pointer; }
img { display: block; max-width: 100%; }
h1{
  font-family: "Open Sans", sans-serif ;
  font-size: 2.5rem;
  font-weight: bolder;
  text-shadow: var(--shadow-soft);
  
}
h2{
  font-family: "Open Sans", sans-serif ;
  font-size: 2.0rem;
  font-weight: bold;
}
h3{
  font-family: "Open Sans", sans-serif ;
  font-size: 1.2rem;
  margin: 0.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--color2);
  font-size: 1.2rem;
  font-weight: bold;
  letter-spacing: -0.01em;
  text-align: center;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.btn:hover {
  transform: translateY(-1px);
  filter: saturate(1.8);
}

/*ENCABEZADO*/
.hero{
  max-width:var(--max);
  margin:auto;
  color: var(--color4);
  position:relative;
  overflow:hidden;
  padding:1rem;
}
.brand{
  font-family: "Montserrat", sans-serif;
  font-weight: lighter;
  font-size: 1.2rem;
  display:flex;
  align-items:center;
  gap:5px;
}

.brandimg{
  width:80px;
  border-radius:50%;
}
.eyebrow {
  margin-top: 0.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  border: 0.1rem double var(--color2);
  border-radius: 1000px;
  background: var(--background);
  color: var(--color1);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06rem;
  text-transform: uppercase;
  margin-bottom:1rem;
}
.eyebrow::before {
  content: "";
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: var(--color2);
}

.sub{
  padding: 1rem;
  font-family: "Open Sans", sans-serif;
  font-size: 1.1rem;
  border-radius: var(--radius);
  background: var(--background);
  backdrop-filter: var(--blur);
  color:var(--color5); 

}
.sub img {
  display: flex;
  margin: auto;
  width: 80px;
  border-radius: 50%;

}
.hero-note {
  font-size: 0.8rem;
  font-weight: bold;
}
.cta-group{
  display:flex;
  gap:10px;
  margin-top:20px;
  
}
.btn.primary {
   font-size: 1.5rem;
  margin-top: 0.4rem;
  background: linear-gradient(180deg, var(--accent) 0%, var(--color1) 100%);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(35, 78, 61, 0.18), inset 0 1px 0 rgba(255,255,255,0.16);
}
.btn.secondary {
  
  margin-top: 0.4rem;
  backdrop-filter: var(--blur);
  box-shadow: var(--shadow-soft);
  border:none;
  background:var(--color2);
  color: var(--color4);
}
.cover-card {
  display: flex;
  align-items: center;
}
.cover-card-item {
  padding-inline: 1rem;
}
.cover-card img {
  border-radius: var(--radius);
  width: 150px;
}
.countdown {
  font-family: "Montserrat", sans-serif;
  font-size: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 0.2rem;
  font-weight: bolder;
  border-color: var(--color5);
  border-width: 5px;
  border-style: double;
  border-radius: var(--radius);
  padding: 1.2rem;
  border-color: var(--color4);
 color: var(--color7);
 background-color: var(--color6);

}


/*CUERPO DE LA PÁGINA*/



.page{
  padding:1rem;
  max-width: var(--max);
  margin: auto;
}
main {
  align-items: center;
  align-content: center;
  text-align: left;
}
.container{
  max-width:1000px;
  margin:auto;
  display:flex;
  flex-direction:column;
}
.card{
  margin-top: 0.5rem;
  border-radius:var(--radius);
  padding: 1.2rem;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  backdrop-filter: var(--blur);
}
.card img {
  width: 80px;
  padding: 0.5rem;
  border-radius: 50%;
  align-items: center;
  display:flex;
  margin:auto;
}
.card .li {
  padding-inline: 2rem;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, #0d1612 0%, #13211b 100%);
  border: 1px solid var(--line);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-foot {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.grid.three{
  
  display: grid;
  grid-template-columns: 1fr;
  gap:4px;
}

.grid-mrv{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap: 5px;
  grid-template-rows:auto-fit, minmax(100px, auto);
  align-content: center; 
}
.item{
  border-radius:var(--radius);
  background: var(--color4);
  border: 1px solid var(--color3);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  min-height: 200px;
  align-content: center;
  margin-top: 0.5rem;
}
.list-item {
  border-radius:var(--radius);
  background: var(--color4);
  border: 1px solid var(--color3);
  box-shadow: var(--shadow-soft);
  align-content: center;
  padding: 0.5rem;
  margin-top: 0.2rem;
 
}
.author-photo-wrap {
  font-family: "Montserrat", sans-serif;
  font-weight: lighter;
  font-size: 1.2rem;
  display:flex;
  flex-direction: column;
  margin: 0;
  align-items:center;
  padding: 0;

}

.method-card .number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 800;
  background: rgba(47, 106, 82, 0.10);
  color: var(--accent);
}
.session-number{
  font-weight: lighter;
}

.price-old {
  text-decoration:line-through;
}
.price-new {
  font-weight: bolder;
  font-size: 1.3rem;
}
.price-note {
  font-weight: lighter;
}
.cta-block {
  margin-top: 1rem;
}

.highlight{
  border:2px solid var(--color7);
}

.choice{
  padding:10px;
  width:100%;;
  border-radius:var(--radius);
  margin-bottom:10px;
  border:none;
  background:var(--color2);
  color: var(--color4);
  cursor:pointer;
}
.choice:hover{
  transform: translateY(-1px);
  filter: saturate(1.5);
}
.center {
  text-align:center
}
.strong {
  font-weight:bold
}
.contacto {
  display: grid;
  gap:1rem;
}

/*PIE DE PÁGINA*/
footer{
  margin: 0;
  display: grid;
  width: 100%;
  background-color: #000000;
  height: 300px;
  justify-items: center;
}
.RRSS{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding-top: 2rem;
}
.RRSS img {
  width: 50px;
  margin-inline: 1rem; 
}
.RRSS img:hover{
  cursor: pointer;
  transform: translateY(-1px);
}
.logo_footer img {
  padding-top: 1rem;
  display: flex;
  margin: auto;
  width: 80px;
}
.logo_footer p {
  font-family: "Open Sans", sans-serif;
  font-style: normal;
  text-align: center;
  font-size: 0.8rem;
  margin-top: 1rem;
  color: var(--color4);
}