/* ===================================================================
   ALTO ESTERO — estilos
   Paleta: verdes de bosque profundo, tierra cálida, crema y musgo.
   =================================================================== */

:root{
  --forest-950:#0e1710;
  --forest-900:#132018;
  --forest-800:#1c2e22;
  --forest-700:#28402f;
  --forest-600:#39573f;
  --moss-500:#5c7a56;
  --moss-300:#93a888;
  --sand-100:#f4efe4;
  --sand-050:#faf7ef;
  --clay-500:#b3703f;
  --clay-400:#c98a54;
  --gold-400:#c9a15a;
  --ink-900:#171712;

  --font-display:'Cormorant Garamond', serif;
  --font-body:'Jost', sans-serif;

  --ease:cubic-bezier(.22,1,.36,1);
  --header-h:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--sand-050);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;width:100%;height:100%;object-fit:cover;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.08;margin:0;color:var(--forest-950);}
p{line-height:1.7;margin:0 0 1em;color:#3c4238;}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,5vw,48px);}

/* film grain overlay for warmth */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.progress-bar{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,var(--clay-400),var(--gold-400));z-index:10000;transition:width .1s linear;}

/* -------------------- reveal-on-scroll -------------------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* -------------------- buttons -------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:15px 32px;border-radius:2px;font-family:var(--font-body);font-size:.86rem;
  letter-spacing:.08em;text-transform:uppercase;border:1px solid transparent;
  cursor:pointer;transition:all .35s var(--ease);
}
.btn-primary{background:var(--clay-500);color:var(--sand-050);}
.btn-primary:hover{background:var(--clay-400);transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(179,112,63,.5);}
.btn-ghost{background:transparent;color:var(--sand-050);border-color:rgba(250,247,239,.55);}
.btn-ghost:hover{background:rgba(250,247,239,.12);border-color:var(--sand-050);}
.btn-block{width:100%;}

.eyebrow{
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--clay-500);
  font-weight:500;margin:0 0 14px;
}
.eyebrow.center{text-align:center;}
.center{text-align:center;margin-left:auto;margin-right:auto;}
.section-sub{max-width:560px;color:#5b6154;margin:18px auto 0;}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);display:flex;align-items:center;
  background:transparent;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), height .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(19,32,24,.86);backdrop-filter:blur(10px);
  height:72px;box-shadow:0 10px 30px -12px rgba(0,0,0,.35);
}
.header-inner{
  width:100%;max-width:1320px;margin:0 auto;padding:0 clamp(20px,5vw,48px);
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--sand-050);}
.logo-mark{width:20px;height:20px;color:var(--gold-400);display:inline-block;flex-shrink:0;}
.logo-text{font-family:var(--font-display);font-size:1.25rem;letter-spacing:.14em;font-weight:500;}
.logo-text em{font-style:normal;color:var(--gold-400);font-weight:400;}

.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  color:rgba(250,247,239,.88);font-size:.85rem;letter-spacing:.05em;
  position:relative;padding:4px 0;transition:color .3s;
}
.main-nav a:not(.nav-cta)::after{
  content:'';position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--gold-400);
  transition:width .3s var(--ease);
}
.main-nav a:not(.nav-cta):hover::after{width:100%;}
.main-nav a:not(.nav-cta):hover{color:var(--sand-050);}
.nav-cta{
  border:1px solid var(--gold-400);padding:9px 20px;border-radius:2px;
  text-transform:uppercase;font-size:.75rem;letter-spacing:.1em;color:var(--gold-400)!important;
}
.nav-cta:hover{background:var(--gold-400);color:var(--forest-950)!important;}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--sand-050);transition:.3s;}

/* ===================================================================
   HERO
   =================================================================== */
.hero{position:relative;height:100svh;min-height:560px;display:flex;align-items:center;overflow:hidden;}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:heroZoom 16s ease-out forwards;}
@keyframes heroZoom{to{transform:scale(1);}}
.hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,23,16,.55) 0%,rgba(14,23,16,.35) 45%,rgba(14,23,16,.75) 100%);
}
.hero-content{position:relative;z-index:2;max-width:780px;margin:0 auto;padding:0 24px;text-align:center;color:var(--sand-050);}
.hero .eyebrow{color:var(--gold-400);}
.hero h1{font-size:clamp(3rem,9vw,6rem);color:var(--sand-050);font-style:italic;font-weight:400;}
.hero h1 em{font-style:normal;font-weight:300;}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:rgba(250,247,239,.9);max-width:520px;margin:22px auto 34px;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

.scroll-cue{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);z-index:2;width:22px;height:36px;border:1px solid rgba(250,247,239,.6);border-radius:20px;display:flex;justify-content:center;padding-top:7px;}
.scroll-cue span{width:4px;height:8px;background:var(--gold-400);border-radius:2px;animation:scrollCue 1.8s infinite;}
@keyframes scrollCue{0%{opacity:1;transform:translateY(0);}70%{opacity:0;transform:translateY(10px);}100%{opacity:0;}}

/* ===================================================================
   PHILOSOPHY (split)
   =================================================================== */
.philosophy{padding:130px 0;background:var(--sand-050);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,90px);align-items:center;}
.split-media{position:relative;aspect-ratio:4/5;border-radius:4px;overflow:hidden;box-shadow:0 40px 70px -30px rgba(19,32,24,.4);}
.media-frame{position:absolute;inset:18px;border:1px solid rgba(250,247,239,.7);pointer-events:none;}
.split-text h2{font-size:clamp(2.1rem,4vw,2.9rem);margin-bottom:22px;}
.split-text p{color:#4a5044;max-width:520px;}
.stats{display:flex;gap:40px;margin-top:36px;flex-wrap:wrap;}
.stats div{display:flex;flex-direction:column;}
.stats strong{font-family:var(--font-display);font-size:2.2rem;color:var(--clay-500);line-height:1;}
.stats span{font-size:.78rem;color:#6b715f;letter-spacing:.03em;margin-top:6px;max-width:120px;}

/* ===================================================================
   EXPERIENCES
   =================================================================== */
.experiences{padding:130px 0;background:var(--forest-900);color:var(--sand-050);}
.experiences h2{color:var(--sand-050);font-size:clamp(2.2rem,4.5vw,3.2rem);}
.experiences .eyebrow{color:var(--gold-400);}
.experiences .section-sub{color:rgba(250,247,239,.75);}

.card-grid{margin-top:70px;display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.exp-card{
  background:var(--forest-800);border-radius:6px;overflow:hidden;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease);
  border:1px solid rgba(250,247,239,.06);
}
.exp-card:hover{transform:translateY(-8px);box-shadow:0 30px 50px -20px rgba(0,0,0,.5);}
.exp-media{aspect-ratio:16/11;overflow:hidden;}
.exp-media img{transition:transform .7s var(--ease);}
.exp-card:hover .exp-media img{transform:scale(1.08);}
.exp-body{padding:28px 26px 32px;position:relative;}
.exp-num{position:absolute;top:-26px;right:24px;font-family:var(--font-display);font-size:1rem;color:var(--gold-400);background:var(--forest-800);padding:4px 12px;border-radius:20px;border:1px solid rgba(201,161,90,.4);}
.exp-body h3{color:var(--sand-050);font-size:1.5rem;margin-bottom:10px;}
.exp-body p{color:rgba(250,247,239,.72);font-size:.94rem;margin-bottom:16px;}
.exp-meta{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--moss-300);}

/* ===================================================================
   QUOTE BAND (parallax-ish)
   =================================================================== */
.quote-band{position:relative;min-height:60vh;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.quote-media{position:absolute;inset:0;}
.quote-media img{width:100%;height:100%;object-fit:cover;}
.quote-media::after{content:'';position:absolute;inset:0;background:rgba(14,23,16,.62);}
.quote-content{position:relative;z-index:2;max-width:800px;text-align:center;padding:60px 24px;}
.quote-content blockquote{
  margin:0 0 20px;font-family:var(--font-display);font-style:italic;font-weight:400;
  color:var(--sand-050);font-size:clamp(1.6rem,4vw,2.6rem);line-height:1.3;
}
.quote-content cite{color:var(--gold-400);font-style:normal;letter-spacing:.08em;font-size:.8rem;text-transform:uppercase;}

/* ===================================================================
   GALLERY
   =================================================================== */
.gallery{padding:130px 0 100px;background:var(--sand-100);}
.gallery h2{font-size:clamp(2.2rem,4.5vw,3.2rem);}
.gallery-grid{
  max-width:1320px;margin:70px auto 0;padding:0 clamp(20px,5vw,48px);
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:14px;
}
.g-item{position:relative;overflow:hidden;border-radius:4px;cursor:pointer;}
.g-item img{transition:transform .7s var(--ease);}
.g-item:hover img{transform:scale(1.1);}
.g-item::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(14,23,16,.45));opacity:0;transition:opacity .4s;}
.g-item:hover::after{opacity:1;}
.g-tall{grid-row:span 2;}
.g-wide{grid-column:span 2;}

/* ===================================================================
   VOICES / TESTIMONIALS
   =================================================================== */
.voices{padding:130px 0;background:var(--sand-050);}
.voices h2{font-size:clamp(2.2rem,4.5vw,3.2rem);}
.voices-grid{margin-top:60px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.voice-card{
  background:var(--sand-100);border-radius:6px;padding:38px 30px;position:relative;margin:0;
  border-top:2px solid var(--clay-500);
}
.voice-card p{font-family:var(--font-display);font-size:1.2rem;font-style:italic;color:var(--forest-950);margin-bottom:20px;line-height:1.5;}
.voice-card footer{font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;color:var(--moss-500);}

/* ===================================================================
   BOOKING
   =================================================================== */
.booking{position:relative;padding:140px 0;overflow:hidden;}
.booking-media{position:absolute;inset:0;}
.booking-media img{width:100%;height:100%;object-fit:cover;}
.booking .hero-scrim{background:linear-gradient(120deg,rgba(14,23,16,.92) 30%,rgba(14,23,16,.55) 100%);}
.booking-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start;}
.booking-text{color:var(--sand-050);}
.booking-text .eyebrow{color:var(--gold-400);}
.booking-text h2{color:var(--sand-050);font-size:clamp(2.1rem,4vw,2.8rem);margin-bottom:20px;}
.booking-text p{color:rgba(250,247,239,.8);max-width:420px;}
.booking-info{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.booking-info li{display:flex;align-items:center;gap:10px;color:rgba(250,247,239,.9);font-size:.92rem;}

.booking-form{background:var(--sand-050);border-radius:8px;padding:clamp(28px,4vw,44px);box-shadow:0 40px 80px -30px rgba(0,0,0,.5);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:8px;}
.field label{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:#6b715f;}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:.95rem;padding:12px 14px;border:1px solid #d8d2c2;
  border-radius:4px;background:#fff;color:var(--ink-900);transition:border-color .3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--clay-500);}
.field textarea{resize:vertical;}
.form-note{margin:14px 0 0;font-size:.85rem;color:var(--moss-500);min-height:1.2em;text-align:center;}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer{background:var(--forest-950);color:rgba(250,247,239,.75);padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:60px;border-bottom:1px solid rgba(250,247,239,.1);}
.footer-logo{margin-bottom:16px;}
.footer-grid p{color:rgba(250,247,239,.6);font-size:.9rem;max-width:260px;}
.footer-grid h4{color:var(--sand-050);font-family:var(--font-body);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:18px;font-weight:500;}
.footer-grid > div{display:flex;flex-direction:column;gap:10px;}
.footer-grid a{color:rgba(250,247,239,.68);font-size:.92rem;transition:color .3s;}
.footer-grid a:hover{color:var(--gold-400);}
.social-row{display:flex;flex-direction:row;gap:14px;}
.social-row a{width:38px;height:38px;border:1px solid rgba(250,247,239,.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.72rem;}
.social-row a:hover{border-color:var(--gold-400);}
.footer-bottom{padding:24px 0;text-align:center;font-size:.8rem;color:rgba(250,247,239,.45);}

/* ===================================================================
   LIGHTBOX
   =================================================================== */
.lightbox{
  position:fixed;inset:0;z-index:10001;background:rgba(14,23,16,.94);
  display:flex;align-items:center;justify-content:center;padding:40px;
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease);
}
.lightbox.open{opacity:1;visibility:visible;}
.lightbox img{width:auto;height:auto;max-width:100%;max-height:100%;border-radius:4px;box-shadow:0 30px 80px -20px rgba(0,0,0,.6);}
.lightbox-close{
  position:absolute;top:26px;right:32px;background:none;border:1px solid rgba(250,247,239,.4);
  color:var(--sand-050);width:44px;height:44px;border-radius:50%;font-size:1.6rem;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .3s;
}
.lightbox-close:hover{border-color:var(--gold-400);color:var(--gold-400);}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:980px){
  .split{grid-template-columns:1fr;}
  .split-media{aspect-ratio:16/10;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .voices-grid{grid-template-columns:1fr;}
  .booking-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(3,1fr);grid-auto-rows:160px;}
}

@media (max-width:760px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:var(--forest-950);flex-direction:column;justify-content:flex-start;
    padding:50px 30px;gap:26px;transform:translateX(100%);transition:transform .4s var(--ease);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{font-size:1.1rem;}
  .nav-toggle{display:flex;}
  .card-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .g-wide{grid-column:span 2;}
  .g-tall{grid-row:span 1;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;text-align:left;}
  .stats{gap:26px;}
  .philosophy,.experiences,.gallery,.voices,.booking{padding:90px 0;}
}