/* ============================================================
   NOIR Beauty Studio — tokens
   ============================================================ */
:root{
  --bg:#0B0A09;
  --bg-2:#141210;
  --fg:#F4EFE7;
  --fg-dim:#A79E92;
  --gold:#C9A063;
  --gold-soft:#E2C99B;
  --line:rgba(244,239,231,.14);
  --display:"Cormorant Garamond", Georgia, serif;
  --body:"Inter", system-ui, -apple-system, sans-serif;
  --pad:clamp(20px,5vw,72px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--body);
  font-weight:300;
  font-size:clamp(15px,1.05vw,17px);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:300;line-height:1.02;margin:0;letter-spacing:-.01em}
em{font-style:italic;color:var(--gold-soft)}
p{margin:0}

.label{
  font-family:var(--body);
  font-size:.7rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:1.1rem;
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.1rem var(--pad);
  transition:background .4s var(--ease), padding .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(11,10,9,.82);
  backdrop-filter:saturate(140%) blur(12px);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  border-bottom-color:var(--line);
  padding-top:.85rem;padding-bottom:.85rem;
}
.brand{
  font-family:var(--display);
  font-size:1.35rem;letter-spacing:.34em;text-transform:uppercase;
  display:flex;flex-direction:column;line-height:1;
}
.brand span{
  font-family:var(--body);
  font-size:.5rem;letter-spacing:.3em;color:var(--fg-dim);
  margin-top:.32rem;
}
.nav-links{display:flex;gap:2rem;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-dim)}
.nav-links a{transition:color .3s}
.nav-links a:hover{color:var(--fg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:1rem 1.7rem;
  border:1px solid var(--gold);
  color:#12100C;
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  background:var(--gold);
  transition:background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
  border-radius:999px;
  white-space:nowrap;
}
.btn:hover{background:var(--gold-soft);border-color:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--gold-soft)}
.btn-ghost:hover{background:var(--gold);color:#12100C;border-color:var(--gold)}
.btn-sm{padding:.62rem 1.15rem;font-size:.66rem}
.btn-lg{padding:1.15rem 2.2rem;font-size:.78rem}
.link{
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-dim);
  border-bottom:1px solid var(--line);padding-bottom:.25rem;transition:color .3s,border-color .3s;
}
.link:hover{color:var(--fg);border-color:var(--gold)}

/* ============================================================
   HERO — video scrubbed by scroll
   ============================================================ */
.hero{position:relative;height:300svh}
.hero-sticky{
  position:sticky;top:0;
  height:100svh;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  isolation:isolate;
}
.hero-media{position:absolute;inset:0;z-index:0;background:#0B0A09}
.hero-media video{
  width:100%;height:100%;object-fit:cover;object-position:50% 45%;
  opacity:0;transition:opacity 1.2s var(--ease);
}
.hero-media video.is-ready{opacity:1}
.scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(11,10,9,.55) 0%, rgba(11,10,9,.10) 26%, rgba(11,10,9,.15) 55%, rgba(11,10,9,.92) 100%),
    linear-gradient(90deg, rgba(11,10,9,.92) 0%, rgba(11,10,9,.62) 34%, rgba(11,10,9,0) 66%);
}
.hero-copy{
  position:relative;z-index:2;
  display:grid;
  align-content:end;
  padding:calc(var(--pad) + 4rem) var(--pad) clamp(3rem,9vh,7rem);
  max-width:min(760px,100%);
}
.beat{
  grid-area:1/1;
  align-self:end;
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
  pointer-events:none;
  will-change:opacity,transform;
}
.beat.is-on{opacity:1;transform:none;pointer-events:auto}
.hero h1,.hero .beat-h{
  font-size:clamp(2.7rem,7.4vw,5.4rem);
  letter-spacing:-.022em;
  text-shadow:0 2px 40px rgba(0,0,0,.55);
}
.hero .sub{
  color:rgba(244,239,231,.82);
  max-width:34ch;
  margin-top:1.5rem;
  font-size:clamp(.95rem,1.2vw,1.05rem);
  text-shadow:0 1px 20px rgba(0,0,0,.6);
}
.actions{display:flex;align-items:center;gap:1.6rem;flex-wrap:wrap;margin-top:2.2rem}
.hint{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-dim)}

.hero-rail{
  position:absolute;right:calc(var(--pad) * .55);top:50%;transform:translateY(-50%);
  z-index:3;display:flex;flex-direction:column;align-items:center;gap:1rem;
  font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--fg-dim);
}
.rail-num{color:var(--gold-soft)}
.rail-line{width:1px;height:34vh;background:var(--line);position:relative;overflow:hidden}
.rail-line i{position:absolute;top:0;left:0;width:100%;height:0;background:var(--gold)}
.rail-word{writing-mode:vertical-rl;letter-spacing:.3em;font-size:.55rem}

/* ============================================================
   SECCIONES
   ============================================================ */
main{position:relative;z-index:2;background:var(--bg)}
section{padding:clamp(4.5rem,11vh,9rem) var(--pad)}
.section-head{max-width:760px;margin-bottom:clamp(2.2rem,5vw,3.6rem)}
.section-head h2{font-size:clamp(2.2rem,5.2vw,3.6rem)}
.section-sub{color:var(--fg-dim);margin-top:1rem;max-width:46ch}

/* intro */
.intro{border-bottom:1px solid var(--line)}
.intro-h{font-size:clamp(2.2rem,5.6vw,4rem);max-width:16ch}
.intro-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));
  gap:clamp(1.5rem,4vw,4rem);margin-top:2.6rem;color:var(--fg-dim);max-width:78ch;
}
.intro-grid p{max-width:44ch}

/* servicios */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
}
.card{
  background:var(--bg-2);
  padding:clamp(1.6rem,2.6vw,2.4rem);
  display:flex;flex-direction:column;gap:1rem;
  transition:background .45s var(--ease);
}
.card:hover{background:#191613}
.card h3{font-size:clamp(1.7rem,2.4vw,2.1rem)}
.card>p{color:var(--fg-dim);font-size:.95rem}
.card ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.45rem;font-size:.86rem;color:rgba(244,239,231,.7)}
.card li{padding-left:1rem;position:relative}
.card li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:1px;background:var(--gold)}
.card .price{margin-top:auto;padding-top:1rem;border-top:1px solid var(--line);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-dim)}

.card .cur{font-size:.62rem;letter-spacing:.16em;color:var(--fg-dim);margin-left:.15rem}
.card .price strong{font-family:var(--display);font-size:1.5rem;letter-spacing:0;text-transform:none;color:var(--fg);display:inline-block;margin-left:.3rem}
.card--gold{background:linear-gradient(160deg,#1B1610,#121010 70%)}
.card--gold .price strong{color:var(--gold-soft)}

/* galería */
.gal{
  display:grid;grid-template-columns:repeat(12,1fr);
  grid-auto-rows:clamp(110px,13vw,190px);
  gap:clamp(8px,1vw,14px);
}
.gal figure{margin:0;overflow:hidden;background:#171512}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),filter .8s}
.gal figure:hover img{transform:scale(1.05)}
.gal-a{grid-column:span 7;grid-row:span 2}
.gal-b{grid-column:span 5;grid-row:span 2}
.gal-c{grid-column:span 4}
.gal-d{grid-column:span 4}
.gal-e{grid-column:span 4}
.gal-b img{object-position:50% 40%}

/* experiencia */
.experience{border-top:1px solid var(--line)}
.steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));
  gap:clamp(1.6rem,4vw,3.2rem);
}
.steps li{border-top:1px solid var(--line);padding-top:1.3rem}
.step-n{font-family:var(--display);color:var(--gold);font-size:1rem;letter-spacing:.2em}
.steps h3{font-size:1.6rem;margin:.8rem 0 .6rem}
.steps p{color:var(--fg-dim);font-size:.93rem}

/* quotes */
.quotes{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));
  gap:clamp(1.4rem,3vw,2.6rem);
  background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.quotes blockquote{margin:0;display:flex;flex-direction:column;justify-content:space-between;gap:1.4rem}
.quotes p{font-family:var(--display);font-size:clamp(1.15rem,1.7vw,1.45rem);line-height:1.35;font-style:italic;color:rgba(244,239,231,.92)}
.quotes cite{font-style:normal;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}

/* cta */
.cta{text-align:center;display:flex;flex-direction:column;align-items:center}
.cta h2{font-size:clamp(2.4rem,6.4vw,4.6rem)}
.cta .sub{color:var(--fg-dim);margin:1.4rem 0 2.2rem;max-width:40ch}
.info{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr));
  gap:1.6rem;margin:clamp(3rem,7vw,4.5rem) 0 0;width:100%;max-width:900px;
  border-top:1px solid var(--line);padding-top:2rem;text-align:left;
}
.info dt{font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:.5rem}
.info dd{margin:0;color:var(--fg-dim);font-size:.92rem}

/* footer */
.foot{
  display:flex;flex-wrap:wrap;gap:1rem;align-items:center;justify-content:space-between;
  padding:2.2rem var(--pad);border-top:1px solid var(--line);
  font-size:.72rem;letter-spacing:.06em;color:var(--fg-dim);
}

/* reveal */
.reveal{opacity:0;transform:translateY(26px)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:900px){
  .nav{padding:.9rem var(--pad)}
  .nav-links{display:none}
  .hero{height:260svh}
  .hero-copy{align-content:end;padding:calc(var(--pad) + 5rem) var(--pad) clamp(4rem,12vh,5.5rem)}
  .scrim{
    background:
      linear-gradient(180deg, rgba(11,10,9,.72) 0%, rgba(11,10,9,.22) 22%, rgba(11,10,9,.55) 55%, rgba(11,10,9,.95) 100%);
  }
  .hero-rail{display:none}
  .hero .sub{max-width:32ch}
  .gal{grid-template-columns:repeat(2,1fr);grid-auto-rows:auto}
  .gal-a{grid-column:span 2;grid-row:auto;aspect-ratio:4/3}
  .gal-b{grid-column:span 1;grid-row:auto;aspect-ratio:3/4}
  .gal-c{grid-column:span 1;grid-row:auto;aspect-ratio:3/4}
  .gal-d{grid-column:span 1;grid-row:auto;aspect-ratio:1}
  .gal-e{grid-column:span 1;grid-row:auto;aspect-ratio:1}
}

@media (max-width:520px){
  .btn{padding:.9rem 1.35rem;font-size:.68rem}
  .actions{gap:1.1rem}
  .brand{font-size:1.15rem}
  .info{gap:1.3rem}
  .foot{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .hero{height:100svh}
  .beat{opacity:1;transform:none;position:relative;grid-area:auto}
  .beat:not(:first-child){display:none}
  .video{display:none}
}