/* ============================================================
   UNONUEVE — landing
   Paleta tomada de la referencia: crema, carbón y dorado.
   ============================================================ */

:root{
  --cream:      #EFE7DC;
  --cream-deep: #E3D8C8;
  --ink:        #14110E;
  --ink-soft:   #3B3630;
  --muted:      #7C7266;
  --gold:       #C8892F;
  --gold-soft:  #E0B168;
  --line:       rgba(20,17,14,.14);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-serif:'Instrument Serif', Georgia, 'Times New Roman', serif;

  --ease: cubic-bezier(.22,.61,.36,1);
  --nav-h: 72px;
}

*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-sans);
  font-weight:300;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ---------- Canvas de partículas ---------- */
#gl{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  display:block;
  pointer-events:none;
  transition:opacity .6s var(--ease);
}

/* Grano sutil encima, como en la referencia */
#grain{
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Tipografía ---------- */
.display{
  font-family:var(--font-sans);
  font-weight:300;
  font-size:clamp(2.6rem, 6.2vw, 5.2rem);
  line-height:1.02;
  letter-spacing:-.035em;
  margin:0 0 1.1rem;
}
.display--md{ font-size:clamp(2.1rem, 4.6vw, 3.7rem); }
.display em{
  font-family:var(--font-serif);
  font-style:italic;
  font-weight:400;
  letter-spacing:-.01em;
}

.eyebrow{
  font-size:.7rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 1.4rem;
  display:inline-flex;
  align-items:center;
  gap:.55rem;
}
.eyebrow::before{
  content:'';
  width:26px; height:1px;
  background:var(--gold);
}
.eyebrow--light{ color:rgba(239,231,220,.6); }
.eyebrow--light::before{ background:var(--gold-soft); }

.lead{
  font-size:clamp(.98rem, 1.25vw, 1.12rem);
  line-height:1.65;
  color:var(--ink-soft);
  max-width:46ch;
  margin:0 0 2rem;
}
.lead--light{ color:rgba(239,231,220,.72); }

/* ---------- Botones ---------- */
.btn{
  --bg:var(--ink); --fg:var(--cream);
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding:1rem 1.7rem;
  border:1px solid transparent;
  border-radius:100px;
  background:var(--bg);
  color:var(--fg);
  font-size:.88rem;
  font-weight:500;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  overflow:hidden;
  transition:transform .45s var(--ease), box-shadow .45s var(--ease), background .35s var(--ease), color .35s var(--ease);
}
.btn::after{           /* brillo que barre en hover */
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(110deg, transparent 25%, rgba(255,255,255,.28) 50%, transparent 75%);
  transform:translateX(-120%);
  transition:transform .8s var(--ease);
}
.btn:hover{ transform:translateY(-2px); box-shadow:0 14px 34px rgba(20,17,14,.22); }
.btn:hover::after{ transform:translateX(120%); }
.btn:active{ transform:translateY(0); }

.btn__arrow{ transition:transform .4s var(--ease); }
.btn:hover .btn__arrow{ transform:translateX(4px); }

.btn--ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line);
  backdrop-filter:blur(6px);
}
.btn--ghost:hover{ border-color:var(--ink); box-shadow:0 10px 26px rgba(20,17,14,.12); }

.btn--light{ background:var(--cream); color:var(--ink); }
.btn--dark { background:var(--ink);   color:var(--cream); }
.btn--sm{ padding:.68rem 1.15rem; font-size:.8rem; }
.btn--lg{ padding:1.15rem 2rem; font-size:.95rem; }

.cta-row{ display:flex; flex-wrap:wrap; gap:.85rem; }
.cta-row--center{ justify-content:center; }

/* ---------- Nav ---------- */
.nav{
  position:fixed;
  top:0; left:0; right:0;
  height:var(--nav-h);
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:0 clamp(1rem, 4vw, 3rem);
  transition:background .5s var(--ease), border-color .5s var(--ease), backdrop-filter .5s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(239,231,220,.82);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}

/* Sobre secciones oscuras el nav se invierte para seguir siendo legible */
.nav.is-onDark{ background:transparent; border-bottom-color:transparent; }
.nav.is-onDark.is-stuck{
  background:rgba(20,17,14,.75);
  border-bottom-color:rgba(239,231,220,.12);
}
.nav.is-onDark .nav__brand{ color:var(--cream); }
.nav.is-onDark .nav__links a{ color:rgba(239,231,220,.75); }
.nav.is-onDark .nav__links a::after{ background:var(--cream); }
.nav.is-onDark .btn--dark{ background:var(--cream); color:var(--ink); }
.nav__brand{
  display:inline-flex; align-items:center; gap:.55rem;
  text-decoration:none; color:var(--ink);
  font-weight:600; font-size:.92rem; letter-spacing:.14em;
}
.nav__mark{ color:var(--gold); font-size:.72rem; }
/* La marca manda: más grande y con más aire que el resto del nav */
.nav__brand{ font-size:1.05rem; letter-spacing:.16em; }
.nav__cr{ color:var(--gold); }
.nav.is-onDark .nav__cr{ color:var(--gold-soft); }

/* Aviso de descuento en la agenda */
.lead--destacado{
  border-left:2px solid var(--gold);
  padding-left:1.1rem;
  color:var(--ink);
}
.lead--destacado strong{ font-weight:500; }

/* Enlaces de redes en el footer */
#redes a{
  display:flex; align-items:center; gap:.6rem;
  color:rgba(239,231,220,.8); text-decoration:none;
  font-size:.87rem; padding:.32rem 0;
  transition:color .3s var(--ease), transform .3s var(--ease);
}
#redes a svg{ width:17px; height:17px; flex:none; }
#redes a:hover{ color:var(--gold-soft); transform:translateX(3px); }
.nav__links{ display:flex; gap:1.8rem; }
.nav__links a{
  position:relative;
  color:var(--ink-soft);
  text-decoration:none;
  font-size:.85rem;
}
.nav__links a::after{
  content:''; position:absolute; left:0; bottom:-5px;
  width:100%; height:1px; background:var(--ink);
  transform:scaleX(0); transform-origin:right;
  transition:transform .45s var(--ease);
}
.nav__links a:hover::after{ transform:scaleX(1); transform-origin:left; }

/* ---------- Historia con partículas ---------- */
.story{ position:relative; z-index:2; }

.stage{
  min-height:100svh;
  display:flex;
  align-items:center;
  padding:var(--nav-h) clamp(1.25rem, 6vw, 6rem) 4rem;
  position:relative;
}
.stage__text{
  max-width:34rem;
  opacity:0;
  transform:translateY(28px);
  transition:opacity .9s var(--ease), transform .9s var(--ease);
  will-change:opacity, transform;
}
.stage.is-active .stage__text{ opacity:1; transform:none; }
.stage__text--center{
  margin:0 auto;
  text-align:center;
  max-width:40rem;
}
.stage__text--center .lead{ margin-left:auto; margin-right:auto; }
.stage__text--center .eyebrow{ justify-content:center; }

/* tarjeta de servicio */
.svc__num{
  font-family:var(--font-serif);
  font-size:.95rem;
  color:var(--gold);
  letter-spacing:.05em;
}
.svc__list{
  list-style:none;
  margin:0 0 2rem;
  padding:0;
  display:grid;
  gap:.55rem;
}
.svc__list li{
  display:flex; gap:.7rem; align-items:flex-start;
  font-size:.9rem; color:var(--ink-soft); line-height:1.5;
}
.svc__list li::before{
  content:'—'; color:var(--gold); flex:none;
}

.scroll-hint{
  position:absolute;
  left:50%; bottom:2.2rem;
  transform:translateX(-50%);
  display:flex; align-items:center; gap:.6rem;
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--muted);
  animation:floaty 2.6s ease-in-out infinite;
}
.scroll-hint span{
  width:1px; height:34px;
  background:linear-gradient(var(--muted), transparent);
}
@keyframes floaty{ 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,7px)} }

/* ---------- Paneles normales ---------- */
.panel{
  position:relative;
  z-index:3;
  background:var(--cream);
  padding:clamp(5rem, 11vw, 9rem) clamp(1.25rem, 6vw, 6rem);
}
.panel--dark{
  background:var(--ink);
  color:var(--cream);
}
.panel--dark .display{ color:var(--cream); }
.panel--dark .display em{ color:var(--gold-soft); }

.wrap{ max-width:1180px; margin:0 auto; }
.wrap--narrow{ max-width:820px; }

/* ---------- Proceso ---------- */
.steps{
  list-style:none; margin:3.5rem 0 0; padding:0;
  display:grid; gap:1.25rem;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
}
.step{
  border-top:1px solid var(--line);
  padding:1.6rem 0 0;
  opacity:0; transform:translateY(26px);
  transition:opacity .8s var(--ease), transform .8s var(--ease);
}
.step.is-in{ opacity:1; transform:none; }
.step:nth-child(2){ transition-delay:.1s; }
.step:nth-child(3){ transition-delay:.2s; }
.step__n{
  font-family:var(--font-serif); font-size:.9rem; color:var(--gold);
  display:block; margin-bottom:.9rem;
}
.step h3{ margin:0 0 .6rem; font-size:1.18rem; font-weight:500; letter-spacing:-.01em; }
.step p{ margin:0; font-size:.9rem; line-height:1.6; color:var(--ink-soft); }

/* ---------- Cotizador ---------- */
.quote{ margin-top:3rem; }
.quote__block{ border:0; padding:0; margin:0 0 2.6rem; }
.quote__block legend{
  font-size:.72rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--gold-soft); padding:0; margin-bottom:1.1rem;
}

.opts{ display:grid; gap:.7rem; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); }
.opts--row{ grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); }

.opt{
  position:relative;
  display:block;
  cursor:pointer;
}
.opt input{
  position:absolute; opacity:0; width:0; height:0;
}
.opt__box{
  display:block;
  border:1px solid rgba(239,231,220,.18);
  border-radius:14px;
  padding:1rem 1.1rem;
  transition:border-color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease);
}
.opt:hover .opt__box{ border-color:rgba(239,231,220,.4); transform:translateY(-2px); }
.opt input:checked + .opt__box{
  border-color:var(--gold-soft);
  background:rgba(224,177,104,.10);
}
.opt input:focus-visible + .opt__box{ outline:2px solid var(--gold-soft); outline-offset:2px; }
.opt__title{
  display:flex; align-items:center; justify-content:space-between; gap:.6rem;
  font-size:.94rem; font-weight:500; color:var(--cream);
}
.opt__tick{
  width:17px; height:17px; flex:none; border-radius:50%;
  border:1px solid rgba(239,231,220,.35);
  display:inline-flex; align-items:center; justify-content:center;
  font-size:.6rem; color:var(--ink);
  transition:background .3s var(--ease), border-color .3s var(--ease);
}
.opt input:checked + .opt__box .opt__tick{
  background:var(--gold-soft); border-color:var(--gold-soft);
}
.opt__desc{
  margin:.4rem 0 0; font-size:.78rem; line-height:1.5;
  color:rgba(239,231,220,.55);
}

/* resultado */
.quote__result{
  border:1px solid rgba(239,231,220,.16);
  border-radius:18px;
  padding:2rem;
  margin:0 0 2.6rem;
  background:linear-gradient(160deg, rgba(224,177,104,.10), rgba(239,231,220,.02));
  text-align:center;
}
.quote__label{
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:rgba(239,231,220,.55); margin:0 0 .5rem;
}
.quote__label--sub{ margin-top:1.6rem; }
.quote__price{
  font-family:var(--font-serif);
  font-size:clamp(2.1rem,5.5vw,3.2rem);
  line-height:1;
  margin:0;
  color:var(--cream);
}
.quote__price--sm{ font-size:clamp(1.3rem,3vw,1.8rem); color:var(--gold-soft); }
.quote__note{
  margin:1.6rem 0 0; font-size:.74rem; color:rgba(239,231,220,.45);
}

/* campos */
.fields{ display:grid; gap:1rem; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }
.field{ display:flex; flex-direction:column; gap:.45rem; }
.field--full{ grid-column:1/-1; }
.field span{
  font-size:.72rem; letter-spacing:.12em; text-transform:uppercase;
  color:rgba(239,231,220,.5);
}
.field input, .field textarea{
  font-family:inherit; font-size:.92rem; font-weight:300;
  color:var(--cream);
  background:transparent;
  border:0; border-bottom:1px solid rgba(239,231,220,.2);
  padding:.65rem 0;
  transition:border-color .35s var(--ease);
  resize:vertical;
}
.field input::placeholder, .field textarea::placeholder{ color:rgba(239,231,220,.28); }
.field input:focus, .field textarea:focus{
  outline:none; border-bottom-color:var(--gold-soft);
}

.hp{ position:absolute; left:-9999px; opacity:0; }

.formMsg{
  margin:1.1rem 0 0; font-size:.85rem; min-height:1.2em;
  color:var(--gold-soft);
}
.formMsg.is-error{ color:#E98A7A; }

/* ---------- Agenda ---------- */
.calWrap{ margin-top:2.5rem; }
.calEmbed{
  border:1px solid var(--line);
  border-radius:20px;
  min-height:420px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(255,255,255,.35);
  backdrop-filter:blur(8px);
  overflow:hidden;
}
.calEmbed--live{ padding:0; background:#fff; min-height:0; display:block; }
.calFallback{ text-align:center; padding:2.5rem; max-width:420px; }
.calFallback__title{
  font-family:var(--font-serif); font-size:1.5rem; margin:0 0 .6rem;
}
.calFallback p{ color:var(--ink-soft); font-size:.9rem; line-height:1.6; margin:0 0 1.6rem; }

/* ---------- Footer ---------- */
.footer{
  position:relative; z-index:3;
  background:var(--ink); color:var(--cream);
  padding:clamp(3.5rem,7vw,5.5rem) clamp(1.25rem,6vw,6rem) 2rem;
}
.footer__grid{
  display:grid; gap:2.5rem;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
}
.nav__brand--footer{ color:var(--cream); }
.footer__tag{
  margin:1.2rem 0 0; font-size:.85rem; line-height:1.6;
  color:rgba(239,231,220,.55);
}
.footer__col h4{
  margin:0 0 1.1rem; font-size:.72rem; letter-spacing:.18em;
  text-transform:uppercase; color:rgba(239,231,220,.45); font-weight:500;
}
.footer__col a{
  display:block; color:rgba(239,231,220,.8); text-decoration:none;
  font-size:.87rem; padding:.28rem 0;
  transition:color .3s var(--ease), transform .3s var(--ease);
}
.footer__col a:hover{ color:var(--gold-soft); transform:translateX(3px); }
.footer__bottom{
  margin-top:3.5rem; padding-top:1.5rem;
  border-top:1px solid rgba(239,231,220,.12);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:.6rem;
  font-size:.75rem; color:rgba(239,231,220,.4);
}

/* ---------- Reveal genérico ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav__links{ display:none; }
  .stage{ align-items:flex-end; padding-bottom:5.5rem; }
  .stage__text{ max-width:100%; }
  /* en pantallas chicas el titular se achica para no chocar con la figura */
  .display{ font-size:clamp(2.15rem, 8.6vw, 2.9rem); }
  .display--md{ font-size:clamp(1.85rem, 7.4vw, 2.4rem); }
  .eyebrow{ margin-bottom:1rem; }
  .lead{ font-size:.95rem; margin-bottom:1.6rem; }
  .footer__grid{ grid-template-columns:1fr; }
  .lead{ max-width:100%; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; }
  .stage__text,.step,.reveal{ opacity:1 !important; transform:none !important; }
}