/* ============================================================
   Casa Serena — Hotel Boutique · Demo Plan Básico
   Sistema de diseño: Warm terracotta + fresh green (UI/UX Pro Max)
   ============================================================ */
:root{
  --color-primary:#9A3412;
  --color-primary-dark:#7C2D12;
  --color-secondary:#C2410C;
  --color-accent:#059669;
  --color-background:#FFFBEB;
  --color-surface:#FFFFFF;
  --color-muted:#F8F2F0;
  --color-border:#F2E6E2;
  --color-foreground:#292524;
  --color-text-soft:#6B5E55;
  --color-destructive:#DC2626;
  --radius:14px;
  --shadow:0 8px 24px rgba(92,31,12,.08);
  --shadow-lg:0 22px 48px rgba(92,31,12,.14);
  --font-display:'Calistoga',Georgia,serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--color-background);
  color:var(--color-foreground);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);font-weight:400;line-height:1.18;color:var(--color-primary-dark)}
img,svg{display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(154,52,18,.45);outline-offset:2px;border-radius:6px}

.container{max-width:1140px;margin:0 auto;padding:0 24px}
.kicker{
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--color-secondary);margin-bottom:12px;
}
.kicker::before{content:"";display:inline-block;width:26px;height:2px;background:var(--color-secondary);vertical-align:middle;margin-right:10px}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:.95rem;padding:14px 28px;border-radius:999px;
  border:2px solid transparent;transition:background .25s,transform .25s,box-shadow .25s,border-color .25s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 10px 22px rgba(154,52,18,.28)}
.btn-primary:hover{background:var(--color-primary-dark)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:#fff}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-block{width:100%}

/* ---------- Header ---------- */
header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .3s,box-shadow .3s;
}
header.scrolled{
  background:rgba(255,251,235,.88);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--color-border);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;border-radius:50%;background:var(--color-primary);color:#FFFBEB;
  display:grid;place-items:center;font-family:var(--font-display);font-size:1.05rem;
}
.brand-name{font-family:var(--font-display);font-size:1.2rem;color:var(--color-primary-dark);line-height:1.1}
.brand-name small{display:block;font-family:var(--font-body);font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--color-text-soft)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.93rem;font-weight:500;color:var(--color-text-soft);transition:color .25s}
.nav-links a:hover{color:var(--color-primary)}
.nav-links .btn{color:#fff}
.hamb{display:none;background:none;border:0;padding:10px}
.hamb span{display:block;width:24px;height:2px;background:var(--color-primary-dark);margin:5px 0;transition:.3s}
.hamb[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamb[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamb[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-art{position:absolute;inset:0;z-index:0}
.hero-art svg{width:100%;height:100%}
.hero-content{position:relative;z-index:1;padding-top:110px;padding-bottom:60px}
.hero h1{font-size:clamp(2.4rem,5.6vw,4.2rem);margin-bottom:18px}
.hero .lead{max-width:520px;font-size:1.12rem;color:var(--color-text-soft);margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-badges{display:flex;gap:12px;flex-wrap:wrap}
.hero-badges li{
  display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.75);
  backdrop-filter:blur(8px);border:1px solid var(--color-border);
  padding:9px 18px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--color-primary-dark);
}
.hero-badges svg{width:18px;height:18px;color:var(--color-secondary)}

/* ---------- Secciones ---------- */
.section{padding:96px 0}
.section-tint{background:var(--color-muted)}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head h2, .contact-form-wrap h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin-bottom:12px}
.sec-sub{color:var(--color-text-soft)}

/* ---------- Presentación ---------- */
.intro{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:center}
.intro-text h2{margin-bottom:20px}
.intro-text p{color:var(--color-text-soft);margin-bottom:14px;max-width:56ch}
.intro-stats{display:grid;gap:18px}
.stat{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  padding:22px 26px;box-shadow:var(--shadow);
}
.stat b{font-family:var(--font-display);font-size:2rem;color:var(--color-primary);display:block;line-height:1.1}
.stat b small{font-size:1rem;color:var(--color-text-soft)}
.stat span{font-size:.86rem;color:var(--color-text-soft)}

/* ---------- Habitaciones ---------- */
.rooms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.room-card{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
  display:flex;flex-direction:column;
}
.room-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.room-photo{height:180px;display:grid;place-items:center}
.room-photo svg{width:70%;height:auto;max-height:130px}
.ph-1{background:linear-gradient(135deg,#F6D9B8,#EAB883)}
.ph-2{background:linear-gradient(135deg,#DCE7D2,#AFC59E)}
.ph-3{background:linear-gradient(135deg,#F3C9B1,#DF9E77)}
.room-body{padding:24px;display:flex;flex-direction:column;flex:1}
.room-body h3{font-size:1.3rem;margin-bottom:4px}
.room-meta{font-size:.82rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--color-secondary);margin-bottom:14px}
.amenities{display:grid;gap:7px;margin-bottom:22px;flex:1}
.amenities li{position:relative;padding-left:20px;font-size:.9rem;color:var(--color-text-soft)}
.amenities li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:var(--color-accent);opacity:.7;
}
.room-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px dashed var(--color-border);padding-top:18px}
.price{font-family:var(--font-display);font-size:1.35rem;color:var(--color-primary-dark)}
.price small{font-family:var(--font-body);font-size:.78rem;color:var(--color-text-soft)}

/* ---------- Servicios ---------- */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  padding:26px 22px;transition:transform .25s,box-shadow .25s;
}
.service:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.service svg{width:34px;height:34px;color:var(--color-primary);margin-bottom:14px}
.service h3{font-size:1.05rem;margin-bottom:6px;font-family:var(--font-body);font-weight:700;color:var(--color-foreground)}
.service p{font-size:.86rem;color:var(--color-text-soft)}

/* ---------- Galería ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{
  position:relative;height:210px;border-radius:var(--radius);overflow:hidden;cursor:pointer;
  transition:transform .3s,box-shadow .3s;
}
.g-item:hover{transform:scale(1.03);box-shadow:var(--shadow-lg)}
.g-item figcaption{
  position:absolute;inset:auto 0 0 0;padding:26px 16px 12px;font-size:.86rem;font-weight:600;color:#fff;
  background:linear-gradient(transparent,rgba(41,24,15,.65));
}
.g1{background:linear-gradient(135deg,#C99A6B,#9A3412)}
.g2{background:linear-gradient(135deg,#F3C9B1,#C2410C)}
.g3{background:linear-gradient(135deg,#AFC59E,#5F7355)}
.g4{background:linear-gradient(135deg,#A8D8D4,#3E8E87)}
.g5{background:linear-gradient(135deg,#F6D9B8,#D9934E)}
.g6{background:linear-gradient(135deg,#E7C9A9,#A9713D)}
.g7{background:linear-gradient(135deg,#EDE4DA,#B9A48E)}
.g8{background:linear-gradient(135deg,#8A9B7E,#46543E)}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(41,24,15,.92);
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);
}
.lightbox[hidden]{display:none}
.lb-figure{max-width:min(860px,86vw);width:100%}
.lb-image{height:min(560px,64vh);border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.lb-caption{color:#FFFBEB;text-align:center;font-size:1.05rem;margin-top:16px;font-family:var(--font-display)}
.lb-close,.lb-prev,.lb-next{
  position:absolute;background:rgba(255,251,235,.12);border:1px solid rgba(255,251,235,.35);color:#FFFBEB;
  border-radius:50%;width:48px;height:48px;font-size:1.6rem;line-height:1;display:grid;place-items:center;
  transition:background .25s;
}
.lb-close:hover,.lb-prev:hover,.lb-next:hover{background:rgba(255,251,235,.28)}
.lb-close{top:22px;right:22px}
.lb-prev{left:22px;top:50%;transform:translateY(-50%)}
.lb-next{right:22px;top:50%;transform:translateY(-50%)}

/* ---------- Testimonios ---------- */
.quotes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.quote{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  padding:30px 28px;box-shadow:var(--shadow);position:relative;
}
.quote::before{
  content:"“";position:absolute;top:6px;left:20px;font-family:var(--font-display);
  font-size:4rem;color:var(--color-border);line-height:1;
}
.quote p{font-size:.95rem;color:var(--color-foreground);margin:22px 0 18px;font-style:italic}
.quote footer{font-size:.84rem;font-weight:600;color:var(--color-secondary)}

/* ---------- Contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px;color:var(--color-foreground)}
input,select,textarea{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--color-foreground);
  background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:10px;
  padding:12px 14px;transition:border-color .25s,box-shadow .25s;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(154,52,18,.14);
}
textarea{resize:vertical}
.error{display:block;font-size:.8rem;color:var(--color-destructive);margin-top:5px;min-height:1em}
.field.invalid input{border-color:var(--color-destructive)}
.form-success{
  margin-top:16px;padding:14px 18px;border-radius:10px;font-weight:600;font-size:.92rem;
  background:#ECFDF5;border:1px solid #A7F3D0;color:#065F46;display:none;
}
.form-success.show{display:block}

.info-card{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow);margin-bottom:22px;
}
.info-card h3{margin-bottom:18px;font-size:1.25rem}
.info-list{display:grid;gap:14px}
.info-list li{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--color-text-soft)}
.info-list svg{width:20px;height:20px;flex:0 0 20px;color:var(--color-primary);margin-top:2px}
.map-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--color-border);box-shadow:var(--shadow)}
.map-card svg{width:100%;height:auto}

/* ---------- Footer ---------- */
footer{background:#2B1409;color:#E9D8CB;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr .8fr;gap:40px;align-items:start;padding-bottom:40px}
.footer-brand{display:flex;gap:14px;align-items:flex-start}
.footer-brand p{font-size:.9rem;color:#CBB3A2}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:.9rem;color:#E9D8CB;transition:color .25s}
.footer-links a:hover{color:#F6C453}
.social{display:flex;gap:12px}
.social a{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(233,216,203,.35);
  display:grid;place-items:center;transition:background .25s,border-color .25s;
}
.social a:hover{background:rgba(246,196,83,.15);border-color:#F6C453}
.social svg{width:20px;height:20px}
.footer-bottom{
  border-top:1px solid rgba(233,216,203,.18);padding-top:20px;padding-bottom:20px;
  font-size:.82rem;color:#B99C8A;
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:50;width:48px;height:48px;border-radius:50%;
  background:var(--color-primary);color:#fff;border:0;display:grid;place-items:center;
  box-shadow:var(--shadow-lg);transition:background .25s,transform .25s;
}
.to-top:hover{background:var(--color-primary-dark);transform:translateY(-3px)}
.to-top svg{width:20px;height:20px}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .intro{grid-template-columns:1fr;gap:36px}
  .intro-stats{grid-template-columns:repeat(3,1fr)}
  .rooms-grid{grid-template-columns:1fr;max-width:460px;margin:0 auto}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .quotes-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hamb{display:block}
  nav .nav-links{
    position:fixed;inset:76px 0 auto 0;background:var(--color-background);
    flex-direction:column;align-items:stretch;padding:22px 24px 28px;gap:6px;
    border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-lg);
    transform:translateY(-130%);transition:transform .35s;
  }
  nav .nav-links.open{transform:none}
  .nav-links a{display:block;padding:10px 4px;font-size:1rem}
  .nav-links .btn{text-align:center;margin-top:8px}
  .section{padding:70px 0}
  .intro-stats{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .lb-prev{left:8px}.lb-next{right:8px}
}

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