:root{
  --color-bg: #FAF9F7;
  --color-bg-alt: #F1EFEB;
  --color-black: #111111;
  --color-warm-gray: #6E6660;
  --color-warm-gray-light: #A9A199;
  --color-line: #E3DFD9;
  --color-white: #FFFFFF;

  --font-main: 'Helvetica Neue', Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --container-max: 1180px;
  --transition-slow: 0.6s cubic-bezier(.22,.61,.36,1);
  --transition-fast: 0.25s ease;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }

body{
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

.container{
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.reveal{
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* HEADER */
header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250,249,247,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.nav{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 1.1rem var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}

.logo{
  display: block;
  line-height: 0;
}
.logo img{
  height: 22px;
  width: auto;
  display: block;
}
@media (max-width: 900px){ .logo img{ height: 20px; } }
@media (max-width: 720px){ .logo img{ height: 17px; } }

.nav-links{
  display:flex;
  gap: var(--space-md);
  list-style:none;
}

.nav-links a{
  font-size: 0.92rem;
  color: var(--color-warm-gray);
  transition: color var(--transition-fast);
}
.nav-links a:hover{ color: var(--color-black); }

.btn{
  display:inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 2px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  border: 1px solid var(--color-black);
  transition: all var(--transition-fast);
  text-align:center;
}

.btn-primary{ background: var(--color-black); color: var(--color-white); }
.btn-primary:hover{ background: var(--color-white); color: var(--color-black); }

.btn-secondary{ background: transparent; color: var(--color-black); }
.btn-secondary:hover{ background: var(--color-black); color: var(--color-white); }

.btn-whatsapp{ border: 1px solid #25D366; color: #16642f; }
.btn-whatsapp:hover{ background: #25D366; color: var(--color-white); }

.nav-cta{ font-size: 0.8rem; padding: 0.7rem 1.4rem; }

.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  background:none;
  border:none;
}
.menu-toggle span{ width:24px; height:1.5px; background: var(--color-black); }

/* HERO */
.hero{
  padding: 9.5rem var(--space-md) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-lg);
  align-items:center;
}

.hero-copy .eyebrow{
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-warm-gray);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  display:block;
}

.hero-copy h1{
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.hero-copy p{
  color: var(--color-warm-gray);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: var(--space-sm);
}

.hero-copy .support-text{
  font-size: 0.9rem;
  color: var(--color-warm-gray-light);
  margin-bottom: var(--space-md);
  max-width: 460px;
}

.hero-buttons{ display:flex; gap: var(--space-sm); flex-wrap: wrap; }

.hero-visual{
  position:relative;
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--color-bg-alt), #E7E3DC);
  border-radius: 6px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}

/* Reemplazar por imagen real del parlante */
.hero-visual .placeholder-text{
  color: var(--color-warm-gray-light);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align:center;
  padding: var(--space-md);
}

.hero-visual img{ width:100%; height:100%; object-fit:cover; position:absolute; top:0; left:0; }

/* SECCIONES GENERALES */
.section{
  padding: var(--space-xl) var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

#experiencia{ padding-top: var(--space-lg); }

.section-title{
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 500;
  max-width: 640px;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.01em;
}

.benefits-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.benefit-card{
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: var(--space-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.benefit-card:hover{
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(17,17,17,0.08);
  border-color: var(--color-warm-gray-light);
}

.benefit-card .icon-box{
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: var(--color-bg-alt);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom: var(--space-md);
}
.benefit-card .icon-box svg{ width: 24px; height: 24px; stroke: var(--color-black); }

.benefit-card .num{
  font-size: 0.8rem;
  color: var(--color-warm-gray-light);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
  display:block;
}

.benefit-card h3{ font-size: 1.15rem; font-weight: 500; margin-bottom: var(--space-xs); }
.benefit-card p{ color: var(--color-warm-gray); font-size: 0.95rem; }

/* PRODUCTO */
.product-intro{ padding-top: var(--space-sm); padding-bottom: var(--space-lg); margin-top: -4rem; }

.product-section{ background: var(--color-bg-alt); padding-top: var(--space-lg); }

.product-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items:center;
}

.product-visual{
  position:relative;
  aspect-ratio: 1/1;
  background: linear-gradient(200deg, #ECE8E1, #DAD5CC);
  border-radius: 6px;
  overflow:hidden;
}

.product-slider-track{
  display:flex;
  width:100%;
  height:100%;
  touch-action: pan-y;
  transition: transform 0.5s cubic-bezier(.22,.61,.36,1);
}
.product-slider-track.no-transition{ transition:none; }

.product-slide{ flex: 0 0 100%; width:100%; height:100%; }
.product-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  -webkit-user-drag:none;
  user-select:none;
}

.slider-arrow{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width:42px;
  height:42px;
  border-radius:50%;
  background: rgba(255,255,255,0.85);
  border:1px solid rgba(17,17,17,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:2;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.slider-arrow:hover{ background: var(--color-white); }
.slider-arrow svg{ width:18px; height:18px; stroke: var(--color-black); }
.slider-arrow-prev{ left: var(--space-sm); }
.slider-arrow-next{ right: var(--space-sm); }

.product-slider-dots{
  position:absolute;
  bottom: var(--space-sm);
  left:50%;
  transform: translateX(-50%);
  display:flex;
  gap: 0.6rem;
  z-index:2;
}
.product-slider-dots .dot{
  width:8px;
  height:8px;
  padding:0;
  border-radius:50%;
  background: rgba(255,255,255,0.55);
  border:1px solid rgba(17,17,17,0.15);
  cursor:pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.product-slider-dots .dot.is-active{ background: var(--color-white); transform: scale(1.3); }

.product-copy .eyebrow{
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-warm-gray);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  display:block;
}

.product-copy h2{ font-size: clamp(2rem, 4vw, 2.8rem); font-weight: 500; margin-bottom: var(--space-sm); }
.product-copy > p{ color: var(--color-warm-gray); margin-bottom: var(--space-md); max-width: 460px; }

.product-highlight{
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.product-highlight-emphasis{
  display: block;
  margin-top: var(--space-xs);
  font-weight: 700;
}

.specs-list{
  list-style:none;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.specs-list li{
  display:flex;
  align-items:flex-start;
  gap: 0.7rem;
  font-size: 0.95rem;
  padding: var(--space-sm);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  color: var(--color-black);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.specs-list li:hover{
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(17,17,17,0.06);
}

.specs-list li .spec-icon{
  width: 34px;
  height: 34px;
  min-width: 34px;
  border-radius: 7px;
  background: var(--color-bg-alt);
  display:flex;
  align-items:center;
  justify-content:center;
}
.specs-list li .spec-icon svg{ width: 18px; height: 18px; stroke: var(--color-black); }

.specs-list li .spec-text{ display:flex; flex-direction:column; }

.specs-list li span.spec-label{
  color: var(--color-warm-gray-light);
  display:block;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.price-tag{ font-size: 1.4rem; font-weight: 500; margin-bottom: var(--space-md); }
.price-tag span{
  display:block;
  font-size: 0.78rem;
  color: var(--color-warm-gray-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 400;
  margin-bottom: 4px;
}

/* INFO EVENTO */
#evento{ text-align: center; }
#evento .section-title{ max-width: 900px; margin-left: auto; margin-right: auto; }

/* FORMULARIO */
.reserve-section{ background: var(--color-black); color: var(--color-white); text-align:center; }

.reserve-intro{ max-width: 480px; margin: 0 auto; }

.reserve-intro .eyebrow{
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-warm-gray-light);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  display:block;
}

.reserve-section .section-title{
  color: var(--color-white);
  max-width: none;
  margin: 0 0 var(--space-sm);
}

.reserve-section .section-subtitle{
  color: #9C968D;
  font-size: 1.02rem;
  margin: 0;
}

.form-card{
  background: linear-gradient(165deg, #1C1C1C, #171717);
  border: 1px solid #2B2B2B;
  border-radius: 22px;
  padding: 3rem 2.5rem;
  max-width: 440px;
  margin: var(--space-lg) auto 0;
  display:flex;
  flex-direction:column;
  gap: 1.85rem;
  text-align:left;
}

.form-group{ display:flex; flex-direction:column; gap: 0.65rem; position:relative; }

.form-group label{
  font-size: 0.95rem;
  font-weight: 500;
  color: #E4E1DC;
}

.form-group input{
  height: 58px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 12px;
  color: var(--color-white);
  padding: 0 1.2rem;
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color var(--transition-slow), background var(--transition-slow), box-shadow var(--transition-slow);
}

.form-group input:focus{
  outline:none;
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.07);
}

.form-group input::placeholder{ color: #6B6862; }

.form-group .error-msg{ font-size: 0.8rem; color: #E28B7D; min-height: 1rem; display:block; }

.form-divider{ height: 1px; background: rgba(255,255,255,0.09); margin: -0.25rem 0 0.15rem; }

.form-submit{ display:flex; flex-direction:column; align-items:center; gap: var(--space-sm); }

.btn-form{
  width: 100%;
  height: 56px;
  background: var(--color-white);
  color: var(--color-black);
  border: none;
  border-radius: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor:pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-form svg{ width:16px; height:16px; stroke: currentColor; transition: transform 0.3s ease; }
.btn-form:hover{ transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0,0,0,0.35); }
.btn-form:hover svg{ transform: translateX(4px); }
.btn-form:disabled{ opacity: 0.6; cursor: not-allowed; transform:none; box-shadow:none; }

.form-note{ font-size: 0.85rem; color: #8A857D; text-align:center; }

#form-success{
  display:none;
  align-items:center;
  gap: 0.8rem;
  max-width: 440px;
  margin: var(--space-md) auto 0;
  padding: 1.4rem 1.6rem;
  border: 1px solid rgba(120,180,140,0.35);
  background: rgba(58,95,69,0.12);
  color: #B6D8BF;
  border-radius: 16px;
  font-size: 0.98rem;
  text-align:left;
}
#form-success svg{ width:20px; height:20px; min-width:20px; stroke: #B6D8BF; }

#form-error{
  display:none;
  align-items:center;
  gap: 0.8rem;
  max-width: 440px;
  margin: var(--space-md) auto 0;
  padding: 1.4rem 1.6rem;
  border: 1px solid rgba(226,139,125,0.35);
  background: rgba(120,45,38,0.14);
  color: #F0B8AE;
  border-radius: 16px;
  font-size: 0.98rem;
  text-align:left;
}
#form-error svg{ width:20px; height:20px; min-width:20px; stroke: #F0B8AE; }

/* WHATSAPP */
.whatsapp-section{ text-align:center; padding: var(--space-xl) var(--space-md); }

.whatsapp-section h2{
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

/* FOOTER */
footer{
  position:relative;
  overflow:hidden;
  background: #1E1C1A;
  padding: clamp(90px, 14vw, 170px) var(--space-md);
  border-top: 1px solid rgba(216,195,165,0.08);
}

footer::before{
  content:'';
  position:absolute;
  inset: -10% -10%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='300' viewBox='0 0 600 300'%3E%3Cg fill='none' stroke='%23D8C3A5' stroke-width='1'%3E%3Cpath d='M-50 30 C 100 0, 200 60, 350 30 S 600 0, 700 30' stroke-opacity='0.05'/%3E%3Cpath d='M-50 90 C 100 60, 200 120, 350 90 S 600 60, 700 90' stroke-opacity='0.045'/%3E%3Cpath d='M-50 150 C 100 120, 200 180, 350 150 S 600 120, 700 150' stroke-opacity='0.05'/%3E%3Cpath d='M-50 210 C 100 180, 200 240, 350 210 S 600 180, 700 210' stroke-opacity='0.045'/%3E%3Cpath d='M-50 270 C 100 240, 200 300, 350 270 S 600 240, 700 270' stroke-opacity='0.05'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 600px 300px;
  pointer-events:none;
}

.footer-inner{
  position:relative;
  z-index:1;
  max-width: var(--container-max);
  margin: 0 auto;
  display:flex;
  justify-content: space-between;
  align-items:flex-start;
  flex-wrap:wrap;
  gap: var(--space-lg);
}

.footer-brand{
  display:flex;
  flex-direction:column;
  gap: var(--space-lg);
}

.footer-logo-wrap{ position:relative; display:inline-block; }

.footer-logo-wrap::before{
  content:'';
  position:absolute;
  inset: -70px -110px;
  background: radial-gradient(ellipse at center, rgba(216,195,165,0.14), transparent 70%);
  z-index:-1;
  pointer-events:none;
}

.footer-logo{
  display: block;
  width: min(420px, 72vw);
  height: auto;
}

.footer-social{ display:flex; gap: 1.75rem; }

.social-icon{
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(216,195,165,0.35);
  display:flex;
  align-items:center;
  justify-content:center;
  color: #D8C3A5;
  transition: transform 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
}
.social-icon svg{ width: 22px; height: 22px; stroke: currentColor; }
.social-icon:hover{
  transform: translateY(-4px) scale(1.06);
  opacity: 0.85;
  border-color: rgba(216,195,165,0.7);
}

.footer-meta{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap: var(--space-lg);
  text-align:right;
}

.footer-powered{
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(216,195,165,0.55);
}
.footer-powered span{ color: #D8C3A5; }

.footer-links{
  display:flex;
  flex-direction:column;
  gap: 0.85rem;
  list-style:none;
  font-size: 0.92rem;
  font-weight: 500;
}

.footer-links a{
  color: rgba(216,195,165,0.75);
  transition: color 0.3s ease, opacity 0.3s ease;
}
.footer-links a:hover{ color: #D8C3A5; opacity: 0.85; }

/* RESPONSIVE */
@media (max-width: 900px){
  .hero{ grid-template-columns: 1fr; padding-top: 8rem; }
  .benefits-grid{ grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .product-inner{ grid-template-columns: 1fr; }
  .footer-inner{ gap: var(--space-md); }
}

@media (max-width: 720px){
  .nav-links, .nav-cta{ display:none; }
  .menu-toggle{ display:flex; }

  .benefits-grid{ grid-template-columns: 1fr; }
  .specs-list{ grid-template-columns: 1fr; }

  .footer-inner{
    flex-direction: column;
    align-items:center;
    text-align:center;
    gap: var(--space-lg);
  }
  .footer-brand{ order:1; align-items:center; }
  .footer-meta{ order:2; align-items:center; text-align:center; }

  .form-card{
    max-width: 90%;
    padding: 2.25rem 1.5rem;
    border-radius: 18px;
    gap: 1.5rem;
  }
  #form-success, #form-error{ max-width: 90%; padding: 1.2rem 1.4rem; }

  .nav.menu-open .nav-links{
    display:flex;
    flex-direction:column;
    position:absolute;
    top: 100%;
    left:0; right:0;
    background: var(--color-bg);
    padding: var(--space-md);
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-line);
  }
  .nav.menu-open .nav-cta{
    display:inline-block;
    margin: var(--space-sm) var(--space-md) 0;
  }
}