/* ============================================================
   Restaurante Arco · Estilo 01 — Steakhouse Cinematic
   Hoja compartida entre Home / Carta / Galería / Contacto
   ============================================================ */

:root{
  --bg:#0B0908;
  --bg-2:#15100C;
  --surface:#1B140F;
  --surface-2:#241A14;
  --line:rgba(245,239,230,.08);
  --line-2:rgba(245,239,230,.16);
  --text:#F5EFE6;
  --text-2:#B8AEA0;
  --text-3:#7E7468;
  --accent:#A85C38;
  --accent-2:#C9683F;
  --ember:#F2A455;
  --brass:#C9A36A;
  --success:#7CFC91;
  --serif:'Playfair Display',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --display:'Bebas Neue',Impact,sans-serif;
  --nav-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--text);font-family:var(--sans);font-weight:300;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
body{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 8px)}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:none;color:inherit;cursor:pointer}

/* ============ LOADING SPLASH ============ */
#splash{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
  transition:opacity .6s ease,visibility .6s ease;
}
#splash.gone{opacity:0;visibility:hidden;pointer-events:none}
.splash-logo{
  width:200px;height:auto;display:block;
  background:url('/assets/brand/logo-cream-512.png') center/contain no-repeat;
  aspect-ratio:1023/800;
  position:relative;animation:flickerLogo 2.4s ease-in-out infinite;
  font-size:0;color:transparent;
}
.splash-logo::after{
  content:'';position:absolute;left:50%;transform:translateX(-50%) scaleX(0);
  bottom:-14px;width:120px;height:1px;background:var(--accent);
  transform-origin:center;animation:line 1.4s .2s ease forwards;
}
.splash-logo.is-img{}
.splash-tag{font-family:var(--sans);font-size:10px;letter-spacing:.5em;text-transform:uppercase;color:var(--text-3)}
.splash-fire{
  width:24px;height:24px;border-radius:50%;
  background:radial-gradient(circle at 50% 60%, #FFCD78 0%, var(--ember) 30%, var(--accent) 60%, transparent 80%);
  filter:blur(2px);animation:embers 1.6s ease-in-out infinite alternate;
}
@keyframes flickerLogo{0%,100%{opacity:.95}45%{opacity:.6}50%{opacity:1}55%{opacity:.75}}
@keyframes line{from{transform:translateX(-50%) scaleX(0)}to{transform:translateX(-50%) scaleX(1)}}
@keyframes embers{from{transform:scale(.9);filter:blur(2px) brightness(1)}to{transform:scale(1.2);filter:blur(3px) brightness(1.4)}}

/* ============ EMBER PARTICLES ============ */
#embers-canvas{position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.55;mix-blend-mode:screen}

/* ============ HEADER ============ */
header.top{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;
  background:linear-gradient(180deg, rgba(11,9,8,.6) 0%, rgba(11,9,8,0) 100%);
  transition:background .35s ease,backdrop-filter .35s ease;
}
header.top.scrolled{
  background:rgba(11,9,8,.82);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
/* ============ BRAND (logo original) ============ */
.brand{display:flex;align-items:center;color:inherit;text-decoration:none}
.brand .brand-logo{
  height:52px;width:auto;aspect-ratio:1023/800;display:block;
  background:url('/assets/brand/logo-cream-256.png') center/contain no-repeat;
  transition:filter .25s;
}
.brand:hover .brand-logo{filter:brightness(1.12)}
@media (min-width:740px){
  .brand .brand-logo{height:60px}
}
.top-actions{display:flex;align-items:center;gap:6px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);color:var(--text-2);transition:.2s;
  background:rgba(11,9,8,.4);
}
.icon-btn:hover{color:var(--text);border-color:var(--accent)}
.icon-btn.header-wa{color:#7AE5A0;border-color:rgba(122,229,160,.35)}
.icon-btn.header-wa:hover{background:#25D366;border-color:#25D366;color:#fff;box-shadow:0 4px 14px rgba(37,211,102,.4)}
header.top .desktop-nav{display:none;gap:36px;align-items:center}
header.top .desktop-nav a{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--text-2);transition:color .2s;position:relative}
header.top .desktop-nav a:hover,
header.top .desktop-nav a.active{color:var(--ember)}
header.top .desktop-nav a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-8px;height:1px;background:var(--ember);
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  font-weight:500;transition:.25s;cursor:pointer;
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 8px 24px rgba(168,92,56,.35);
}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 14px 32px rgba(168,92,56,.5)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);backdrop-filter:blur(8px);background:rgba(11,9,8,.3)}
.btn-ghost:hover{background:rgba(245,239,230,.08);border-color:var(--ember)}

/* ============ SECTIONS ============ */
section{padding:80px 22px;position:relative;z-index:3}
.section-eyebrow{
  font-family:var(--display);font-size:11px;letter-spacing:.42em;color:var(--accent);margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:'';width:20px;height:1px;background:var(--accent)}
h2.section-title{font-family:var(--serif);font-weight:400;font-size:42px;line-height:1.1;letter-spacing:-.01em;margin-bottom:18px}
h2.section-title em{font-style:italic;color:var(--ember)}
.section-lead{color:var(--text-2);font-size:15px;line-height:1.75;max-width:48ch}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 1s ease,transform 1s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============ PAGE HERO (subpáginas) ============ */
.page-hero{
  position:relative;min-height:54vh;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:110px 22px 56px;overflow:hidden;
}
.page-hero-img{
  position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  filter:saturate(115%) contrast(108%) brightness(.78);
  animation:kenburns 20s ease-in-out infinite alternate;
}
.page-hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg, rgba(11,9,8,.45) 0%, rgba(11,9,8,.7) 70%, var(--bg) 100%);
}
.page-hero .content{position:relative;z-index:3;display:flex;flex-direction:column;gap:14px}
.page-hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:var(--ember);
  font-weight:500;
}
.page-hero .eyebrow::before{content:'';width:24px;height:1px;background:var(--ember)}
.page-hero h1{
  font-family:var(--serif);font-weight:400;font-size:54px;line-height:1.04;letter-spacing:-.01em;
}
.page-hero h1 em{font-style:italic;color:var(--ember)}
.page-hero .lead{color:var(--text-2);font-size:15px;max-width:36ch;line-height:1.7}
@keyframes kenburns{from{transform:scale(1) translateY(0)}to{transform:scale(1.10) translateY(-2%)}}

/* ============ FOOTER ============ */
footer{
  padding:42px 22px;text-align:center;border-top:1px solid var(--line);
  color:var(--text-3);font-size:11px;letter-spacing:.18em;text-transform:uppercase;position:relative;z-index:3;
}
footer .fmark{
  width:160px;height:auto;aspect-ratio:1023/800;display:block;margin:0 auto 18px;
  background:url('/assets/brand/logo-cream-256.png') center/contain no-repeat;
  opacity:.85;font-size:0;color:transparent;
}

/* ============ BOTTOM APP NAV ============ */
nav.bottom-nav{
  position:fixed;left:50%;bottom:0;transform:translateX(-50%);z-index:100;
  width:100%;max-width:520px;height:var(--nav-h);
  padding:0 14px env(safe-area-inset-bottom);
  background:rgba(15,11,10,.86);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-top:1px solid var(--line-2);
  display:grid;grid-template-columns:repeat(5,1fr);align-items:center;
}
nav.bottom-nav .item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:6px 2px;color:var(--text-2);transition:color .2s;cursor:pointer;
  font-size:9px;letter-spacing:.18em;text-transform:uppercase;
}
nav.bottom-nav .item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5}
nav.bottom-nav .item.active{color:var(--text)}
nav.bottom-nav .item.active svg{stroke:var(--accent)}
nav.bottom-nav .reserve{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px}
nav.bottom-nav .reserve-btn{
  position:absolute;top:-28px;left:50%;transform:translateX(-50%);
  width:64px;height:64px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%, #D27548 0%, var(--accent) 65%, var(--accent-2) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(168,92,56,.55), 0 0 0 4px var(--bg), 0 0 32px rgba(242,164,85,.3);
  transition:transform .25s;
  animation:reservePulse 3s ease-in-out infinite;
}
@keyframes reservePulse{
  0%,100%{box-shadow:0 8px 24px rgba(168,92,56,.55), 0 0 0 4px var(--bg), 0 0 32px rgba(242,164,85,.25)}
  50%{box-shadow:0 8px 24px rgba(168,92,56,.6), 0 0 0 4px var(--bg), 0 0 48px rgba(242,164,85,.45)}
}
nav.bottom-nav .reserve-btn:hover{transform:translateX(-50%) scale(1.06)}
nav.bottom-nav .reserve-btn svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.7}
nav.bottom-nav .reserve-lbl{
  margin-top:36px;font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:500;
}

/* ============ DESKTOP ============ */
@media (min-width:740px){
  body{padding-bottom:0}
  nav.bottom-nav{display:none}
  section{padding:140px 64px}
  h2.section-title{font-size:60px}
  header.top .desktop-nav{display:flex !important}
  .page-hero{padding:160px 64px 80px;min-height:56vh}
  .page-hero h1{font-size:96px;max-width:14ch}
  .page-hero .lead{font-size:18px;max-width:48ch}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}