/* ==========================================================================
   ALMA — Restaurante mediterráneo moderno
   Sistema de diseño: tokens, tipografía, layout, componentes
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Work+Sans:wght@300;400;500;600&display=swap');

:root{
  /* Color — piedra cálida de Triana, olivo, vino y latón */
  --c-bg:            #EDE8DD;
  --c-bg-alt:        #E2DBC8;
  --c-ink:           #1E2118;
  --c-ink-soft:      #3A3F32;
  --c-olive:         #4A5D3A;
  --c-olive-dark:    #2E3A22;
  --c-wine:          #6B2B3A;
  --c-brass:         #A9824F;
  --c-cream:         #F6F2E8;
  --c-line:          rgba(30,33,24,0.14);
  --c-line-light:    rgba(246,242,232,0.24);

  /* Tipografía */
  --f-display: 'Fraunces', 'Georgia', serif;
  --f-body: 'Work Sans', 'Helvetica Neue', Arial, sans-serif;

  /* Espaciado */
  --gap-section: clamp(4.5rem, 9vw, 9rem);
  --gap-inner: clamp(1.5rem, 3vw, 2.5rem);
  --radius: 2px;
  --max-width: 1280px;

  /* Movimiento */
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur: .7s;
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }
:focus-visible{ outline: 2px solid var(--c-wine); outline-offset: 3px; }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 5vw, 4rem);
}

h1,h2,h3,h4{
  font-family: var(--f-display);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--c-ink);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family: var(--f-body);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-wine);
}
.eyebrow::before{
  content:"";
  width: 22px; height: 1px;
  background: var(--c-wine);
  display:inline-block;
}

.section-head{
  max-width: 640px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-head h2{
  font-size: clamp(2rem, 4vw, 3rem);
  margin-top: .6em;
}
.section-head--center{ margin-inline:auto; text-align:center; }
.section-head--center .eyebrow{ justify-content:center; }
.section-head--center .eyebrow::before{ display:none; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  padding: .95em 1.9em;
  font-size: .92rem;
  font-weight: 500;
  letter-spacing:.01em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn--primary{ background: var(--c-wine); color: var(--c-cream); }
.btn--primary:hover{ background: #52212D; transform: translateY(-2px); }
.btn--ghost{ border-color: currentColor; color: inherit; }
.btn--ghost:hover{ background: var(--c-ink); color: var(--c-cream); border-color: var(--c-ink); }
.btn--ghost-light{ border-color: var(--c-line-light); color: var(--c-cream); }
.btn--ghost-light:hover{ background: var(--c-cream); color: var(--c-ink); }

/* ---------- Header ---------- */
.site-header{
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 1.4rem 0;
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; }
.site-header.is-scrolled{
  background: rgba(237,232,221,0.92);
  backdrop-filter: blur(10px);
  padding: .9rem 0;
  box-shadow: 0 1px 0 var(--c-line);
}
.wordmark{
  font-family: var(--f-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-ink);
}
.site-header:not(.is-scrolled) .wordmark,
.site-header:not(.is-scrolled) .nav-link{ color: var(--c-cream); }

.nav-links{ display:flex; gap: clamp(1.2rem, 3vw, 2.4rem); }
.nav-link{
  font-size: .9rem; font-weight: 500;
  position:relative; padding-bottom:.2rem;
}
.nav-link::after{
  content:""; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background: currentColor; transition: right var(--dur) var(--ease);
}
.nav-link:hover::after{ right:0; }

.nav-cta{ display:none; }
.menu-toggle{
  display:none;
  width: 42px; height: 42px;
  border: 1px solid currentColor;
  background: transparent;
  border-radius: 50%;
  align-items:center; justify-content:center;
  color: inherit;
}
.menu-toggle svg{ width:18px; height:18px; }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  background: var(--c-ink);
  overflow: hidden;
}
.hero-media{ position:relative; overflow:hidden; }
.hero-media img{
  width:100%; height:100%; object-fit: cover;
  transform: scale(1.08);
  filter: saturate(1.05) contrast(1.02);
  animation: hero-settle 1.6s var(--ease) forwards;
}
@keyframes hero-settle{ to{ transform: scale(1); } }
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(30,33,24,.55) 0%, rgba(30,33,24,0) 40%);
}
.hero-content{
  position: relative;
  display:flex; flex-direction:column; justify-content:center;
  padding: clamp(6rem,10vw,8rem) clamp(1.5rem,5vw,5rem) 6rem;
  color: var(--c-cream);
}
.hero-content .eyebrow{ color: var(--c-brass); }
.hero-content .eyebrow::before{ background: var(--c-brass); }
.hero-title{
  font-size: clamp(4.2rem, 11vw, 8.5rem);
  line-height: .92;
  margin: .35em 0 .3em;
  font-weight: 500;
}
.hero-sub{
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--c-brass);
  margin-bottom: 1.1em;
}
.hero-desc{
  max-width: 34ch;
  font-size: 1.02rem;
  color: rgba(246,242,232,.82);
  margin-bottom: 2.4rem;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap: 1rem; }
.hero-scroll{
  position:absolute; left: clamp(1.5rem,5vw,5rem); bottom: 2.2rem;
  display:flex; align-items:center; gap:.7rem;
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color: rgba(246,242,232,.7);
}
.hero-scroll .line{ width:1px; height:34px; background: rgba(246,242,232,.5); position:relative; overflow:hidden; }
.hero-scroll .line::after{
  content:""; position:absolute; top:-100%; left:0; width:100%; height:100%;
  background: var(--c-brass); animation: scroll-drip 2.2s ease-in-out infinite;
}
@keyframes scroll-drip{ 0%{top:-100%;} 60%{top:100%;} 100%{top:100%;} }

/* ---------- Divisor firma: rama que se dibuja al hacer scroll ---------- */
.branch-divider{
  display:flex; justify-content:center;
  padding: clamp(2rem,5vw,3.5rem) 0;
}
.branch-divider svg{ width: min(340px, 70vw); height:auto; overflow:visible; }
.branch-divider path{
  fill:none; stroke: var(--c-olive); stroke-width:1.4;
  stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  pathLength: 1;
  transition: stroke-dashoffset 1.4s var(--ease);
}
.branch-divider circle{
  fill: var(--c-wine);
  opacity:0;
  transform-origin:center;
  transition: opacity .5s ease .9s, transform .5s var(--ease) .9s;
  transform: scale(.2);
}
.branch-divider.is-visible path{ stroke-dashoffset:0; }
.branch-divider.is-visible circle{ opacity:1; transform:scale(1); }

/* ---------- Reveal genérico ---------- */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }
.reveal-stagger > *{ opacity:0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-stagger.is-visible > *{ opacity:1; transform:none; }
.reveal-stagger.is-visible > *:nth-child(1){ transition-delay: .05s; }
.reveal-stagger.is-visible > *:nth-child(2){ transition-delay: .15s; }
.reveal-stagger.is-visible > *:nth-child(3){ transition-delay: .25s; }
.reveal-stagger.is-visible > *:nth-child(4){ transition-delay: .35s; }
.reveal-stagger.is-visible > *:nth-child(5){ transition-delay: .45s; }
.reveal-stagger.is-visible > *:nth-child(6){ transition-delay: .55s; }

section{ padding: var(--gap-section) 0; }

/* ---------- Sobre nosotros ---------- */
.about{ background: var(--c-bg); }
.about .container{
  display:grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(2.5rem,6vw,6rem); align-items:center;
}
.about-media{ position:relative; }
.about-media img{ width:100%; aspect-ratio: 4/5; object-fit:cover; border-radius: var(--radius); }
.about-media::before{
  content:""; position:absolute; inset: -18px auto auto -18px; width:70%; height:70%;
  border: 1px solid var(--c-brass); z-index:-1;
}
.about-text p{ color: var(--c-ink-soft); margin: 0 0 1.2em; max-width: 52ch; }
.about-text p:last-child{ margin-bottom:0; }

/* ---------- Especialidades ---------- */
.specialties{ background: var(--c-bg-alt); }
.specialty-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem;
}
.specialty-card{
  background: var(--c-cream);
  display:flex; flex-direction:column;
  border-radius: var(--radius);
  overflow:hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.specialty-card:hover{ transform: translateY(-6px); box-shadow: 0 22px 40px -20px rgba(30,33,24,.35); }
.specialty-media{ aspect-ratio: 4/3; overflow:hidden; }
.specialty-media img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.specialty-card:hover .specialty-media img{ transform: scale(1.06); }
.specialty-body{ padding: 1.4rem 1.3rem 1.6rem; display:flex; flex-direction:column; gap:.55rem; flex:1; }
.specialty-body h3{ font-size: 1.08rem; }
.specialty-body p{ color: var(--c-ink-soft); font-size: .9rem; margin:0; flex:1; }
.specialty-price{ font-family: var(--f-display); font-style:italic; color: var(--c-wine); font-size: 1.05rem; }

/* ---------- Carta ---------- */
.menu{ background: var(--c-bg); }
.menu-tabs{ display:flex; flex-wrap:wrap; gap: .6rem; margin-bottom: 2.6rem; }
.menu-tab{
  padding: .6em 1.3em;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: .86rem; font-weight:500;
  background: transparent; color: var(--c-ink-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.menu-tab.is-active, .menu-tab:hover{ background: var(--c-ink); color: var(--c-cream); border-color: var(--c-ink); }
.menu-panel{ display:none; }
.menu-panel.is-active{ display:block; }
.menu-list{ display:grid; grid-template-columns: 1fr 1fr; column-gap: 3rem; }
.menu-item{
  display:flex; justify-content:space-between; gap: 1rem;
  padding: 1.15rem 0; border-bottom: 1px solid var(--c-line);
}
.menu-item-text h4{ font-size: 1.02rem; font-weight:500; }
.menu-item-text p{ margin: .3em 0 0; font-size: .86rem; color: var(--c-ink-soft); max-width: 38ch; }
.menu-item-price{
  font-family: var(--f-display); font-style: italic; color: var(--c-wine);
  white-space: nowrap; padding-top: .1rem;
}

/* ---------- Galería ---------- */
.gallery{ background: var(--c-ink); color: var(--c-cream); }
.gallery .eyebrow{ color: var(--c-brass); }
.gallery .eyebrow::before{ background: var(--c-brass); }
.gallery .section-head h2{ color: var(--c-cream); }
.gallery-grid{
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 130px;
  gap: .7rem;
}
.gallery-item{ overflow:hidden; border-radius: var(--radius); }
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition: transform .9s var(--ease), filter .9s var(--ease); filter: saturate(.92); }
.gallery-item:hover img{ transform: scale(1.08); filter: saturate(1.1); }
.gallery-item:nth-child(1){ grid-column: span 3; grid-row: span 3; }
.gallery-item:nth-child(2){ grid-column: span 3; grid-row: span 2; }
.gallery-item:nth-child(3){ grid-column: span 3; grid-row: span 2; }
.gallery-item:nth-child(4){ grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(5){ grid-column: span 2; grid-row: span 2; }
.gallery-item:nth-child(6){ grid-column: span 2; grid-row: span 2; }

/* ---------- Horarios ---------- */
.hours{ background: var(--c-bg-alt); }
.hours .container{ display:grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2.5rem,6vw,6rem); align-items:start; }
.hours-table{ width:100%; }
.hours-row{ display:flex; justify-content:space-between; padding: 1rem 0; border-bottom: 1px solid var(--c-line); font-size: 1.02rem; }
.hours-row span:first-child{ font-family: var(--f-display); font-style:italic; }
.hours-note{ margin-top: 1.4rem; font-size: .85rem; color: var(--c-ink-soft); }
.hours-side p{ color: var(--c-ink-soft); max-width: 40ch; }

/* ---------- Reservas ---------- */
.reservations{ background: var(--c-olive-dark); color: var(--c-cream); position:relative; overflow:hidden; }
.reservations .eyebrow{ color: var(--c-brass); }
.reservations .eyebrow::before{ background: var(--c-brass); }
.reservations .container{ display:grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2.5rem,6vw,6rem); align-items:center; }
.reservations h2{ color: var(--c-cream); font-size: clamp(2rem,4vw,3rem); margin-top:.6em; }
.reservations p{ color: rgba(246,242,232,.82); max-width: 42ch; }
.res-form{ display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.res-form .field{ display:flex; flex-direction:column; gap:.4rem; }
.res-form .field.full{ grid-column: 1 / -1; }
.res-form label{ font-size:.78rem; letter-spacing:.06em; text-transform:uppercase; color: rgba(246,242,232,.65); }
.res-form input, .res-form select{
  background: rgba(246,242,232,.08);
  border: 1px solid rgba(246,242,232,.28);
  border-radius: var(--radius);
  padding: .8em .9em;
  color: var(--c-cream);
  font-family: inherit; font-size: .95rem;
}
.res-form input::placeholder{ color: rgba(246,242,232,.45); }
.res-form button{ grid-column: 1/-1; margin-top:.3rem; }
.res-confirm{ display:none; align-items:center; gap:.7rem; padding: 1rem 1.2rem; background: rgba(246,242,232,.1); border: 1px solid rgba(246,242,232,.25); border-radius: var(--radius); font-size:.92rem; grid-column: 1/-1; }
.res-confirm.is-visible{ display:flex; }

/* ---------- Ubicación ---------- */
.location{ background: var(--c-bg); }
.location .container{ display:grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem,6vw,6rem); align-items:stretch; }
.location-info dl{ margin: 1.6rem 0 2rem; }
.location-info dt{ font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color: var(--c-wine); margin-top: 1.2rem; }
.location-info dt:first-child{ margin-top:0; }
.location-info dd{ margin: .3rem 0 0; font-size: 1.02rem; }
.map-frame{
  position:relative; min-height: 320px; border-radius: var(--radius); overflow:hidden;
  background:
    linear-gradient(rgba(30,33,24,.06), rgba(30,33,24,.06)),
    repeating-linear-gradient(0deg, var(--c-bg-alt) 0 2px, transparent 2px 44px),
    repeating-linear-gradient(90deg, var(--c-bg-alt) 0 2px, transparent 2px 44px),
    var(--c-cream);
  display:flex; align-items:center; justify-content:center; text-align:center;
}
.map-pin{ display:flex; flex-direction:column; align-items:center; gap:.6rem; }
.map-pin svg{ width: 30px; height:30px; color: var(--c-wine); }
.map-pin span{ font-size:.85rem; color: var(--c-ink-soft); }
.map-pin a{ font-weight:500; text-decoration: underline; text-underline-offset:3px; }

/* ---------- Redes sociales ---------- */
.social{ background: var(--c-bg-alt); }
.social-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.social-card{
  display:flex; align-items:center; gap: 1.1rem;
  padding: 1.6rem 1.7rem;
  background: var(--c-cream); border-radius: var(--radius);
  transition: transform var(--dur) var(--ease);
}
.social-card:hover{ transform: translateY(-4px); }
.social-icon{ width:46px; height:46px; border-radius:50%; background: var(--c-ink); color: var(--c-cream); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.social-icon svg{ width:20px; height:20px; }
.social-name{ font-family: var(--f-display); font-size:1.05rem; }
.social-handle{ font-size:.85rem; color: var(--c-ink-soft); }

/* ---------- Footer ---------- */
.site-footer{ background: var(--c-ink); color: rgba(246,242,232,.75); padding: 4rem 0 2rem; }
.footer-top{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid var(--c-line-light); }
.footer-brand .wordmark{ color: var(--c-cream); }
.footer-brand p{ margin-top: 1rem; max-width: 32ch; font-size:.9rem; }
.footer-col h5{ font-family: var(--f-body); font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color: var(--c-brass); margin: 0 0 1rem; }
.footer-col li{ margin-bottom:.6rem; font-size:.9rem; }
.footer-col a:hover{ color: var(--c-cream); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top: 1.6rem; font-size:.8rem; flex-wrap:wrap; gap:1rem; }
.back-to-top{ display:flex; align-items:center; gap:.5rem; }
.back-to-top svg{ width:16px; height:16px; }

/* ---------- Utilidades responsive ---------- */
@media (max-width: 980px){
  .about .container, .hours .container, .location .container, .reservations .container{ grid-template-columns: 1fr; }
  .about-media{ order:2; }
  .specialty-grid{ grid-template-columns: repeat(2,1fr); }
  .social-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .gallery-grid{ grid-template-columns: repeat(4,1fr); grid-auto-rows: 110px; }
}

@media (max-width: 760px){
  .nav-links{
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 340px);
    background: var(--c-ink); color: var(--c-cream);
    flex-direction:column; justify-content:center; align-items:flex-start;
    padding: 3rem 2.4rem; gap: 1.6rem;
    transform: translateX(100%); transition: transform .5s var(--ease);
    z-index: 90;
  }
  .nav-links.is-open{ transform: translateX(0); }
  .nav-links .nav-link{ font-size:1.1rem; color: var(--c-cream); }
  .menu-toggle{ display:flex; }
  .site-header:not(.is-scrolled) .menu-toggle{ border-color: var(--c-cream); }
  .hero{ grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .hero-media{ min-height: 46svh; }
  .hero-content{ padding-top: 3rem; padding-bottom: 4rem; }
  .hero-title{ font-size: clamp(3.2rem, 15vw, 5rem); }
  .specialty-grid{ grid-template-columns: 1fr 1fr; }
  .menu-list{ grid-template-columns: 1fr; }
  .gallery-grid{ grid-template-columns: repeat(2,1fr); grid-auto-rows: 150px; }
  .gallery-item:nth-child(n){ grid-column: span 1; grid-row: span 2; }
  .footer-top{ grid-template-columns: 1fr; }
  .res-form{ grid-template-columns: 1fr; }
}

@media (max-width: 480px){
  .specialty-grid{ grid-template-columns: 1fr; }
}