/* =============================================================
   Olivar · Restaurante mediterráneo — Hoja de estilos
   1. Tokens  2. Reset  3. Base/tipografía  4. Utilidades
   5. Componentes  6. Secciones  7. Carta  8. Animaciones
   9. Responsive (mobile-first)  10. Accesibilidad/reduce-motion
   ============================================================= */

/* ===================== 1. TOKENS ===================== */
:root {
  --c-bg:        #F6F1E6;   /* crema cálido */
  --c-surface:   #FFFDF8;
  --c-primary:   #3B4A33;   /* olivo profundo */
  --c-primary-d: #2A331F;   /* olivo casi negro */
  --c-accent:    #C2703D;   /* terracota (CTA) */
  --c-accent-d:  #A85A2C;
  --c-gold:      #B08A52;
  --c-ink:       #23271F;
  --c-muted:     #6A6E5F;   /* AA sobre crema */
  --c-line:      #E4DCCB;

  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --maxw: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.75rem);
  --radius: 10px;
  --radius-sm: 7px;
  --section-y: clamp(4rem, 9vw, 8rem);

  --shadow-sm: 0 4px 16px rgba(42, 51, 31, 0.07);
  --shadow-md: 0 16px 44px rgba(42, 51, 31, 0.12);
  --shadow-lg: 0 28px 64px rgba(42, 51, 31, 0.18);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 200ms;
  --t-med: 360ms;
}

/* ===================== 2. RESET ===================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
ul[class] { list-style: none; padding: 0; }
a { color: inherit; }

/* ===================== 3. BASE / TIPOGRAFÍA ===================== */
body {
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.62;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.06; letter-spacing: -0.01em; color: var(--c-primary-d); }
h1 { font-size: clamp(2.8rem, 7vw, 5rem); }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.3rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }

p { color: var(--c-ink); max-width: 64ch; }
em { font-style: italic; color: var(--c-accent); }

.eyebrow {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--c-accent);
  margin-bottom: 1rem;
}

::selection { background: var(--c-accent); color: #fff; }

/* ===================== 4. UTILIDADES ===================== */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--soft { background: var(--c-surface); }

.section__head { max-width: 680px; margin-inline: auto; text-align: center; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section__title { margin-bottom: 0.8rem; }
.section__sub { color: var(--c-muted); font-size: 1.1rem; margin-inline: auto; }

.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--c-primary-d); color: #fff; padding: 0.75rem 1.25rem; }
.skip-link:focus { left: 0; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--c-accent); outline-offset: 3px; border-radius: 3px;
}

/* ===================== 5. COMPONENTES ===================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 1.8rem; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.02em;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: transform var(--t-fast) var(--ease), background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}
.btn--lg { padding: 1.05rem 2.1rem; font-size: 1rem; }
.btn--accent { background: var(--c-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--accent:hover { background: var(--c-accent-d); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--ghost { background: transparent; color: var(--c-primary-d); border-color: var(--c-line); }
.btn--ghost:hover { border-color: var(--c-primary); transform: translateY(-2px); }
.btn--light { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--light:hover { background: #fff; color: var(--c-primary-d); transform: translateY(-2px); }

.brand { font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; letter-spacing: 0.01em; color: var(--c-primary-d); text-decoration: none; }
.brand__dot { color: var(--c-accent); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background-color var(--t-med), box-shadow var(--t-med), backdrop-filter var(--t-med); }
.site-header.is-scrolled { background: rgba(246, 241, 230, 0.88); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--c-line), var(--shadow-sm); }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1rem; }

.nav__list { display: flex; align-items: center; gap: 0.3rem; }
.nav__link { text-decoration: none; color: var(--c-ink); font-weight: 500; padding: 0.5rem 0.9rem; border-radius: 999px; transition: color var(--t-fast), background-color var(--t-fast); }
.nav__link:hover { color: var(--c-primary-d); background: rgba(59, 74, 51, 0.08); }
.nav__cta { margin-left: 0.5rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px; align-items: center; justify-content: center; background: transparent; border: none; cursor: pointer; z-index: 120; }
.nav-toggle__bar { width: 26px; height: 2px; background: var(--c-primary-d); border-radius: 2px; transition: transform var(--t-med) var(--ease), opacity var(--t-fast); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Formularios */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow-md); }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field input, .field textarea, .field select {
  padding: 0.85rem 1rem; border: 1.5px solid var(--c-line); border-radius: var(--radius-sm);
  background: var(--c-bg); color: #1c1f17;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field input::placeholder, .field textarea::placeholder { color: #6a6e5f; opacity: 1; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(59, 74, 51, 0.15); }
.field--check { flex-direction: row; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; color: var(--c-muted); }
.field--check input { width: 18px; height: 18px; accent-color: var(--c-primary); margin-top: 0.15rem; }
.field--check a { color: var(--c-primary-d); }
.hp-field { display: none !important; }
.form-feedback { grid-column: 1 / -1; margin: 0; font-weight: 600; font-size: 0.92rem; color: var(--c-primary-d); }
.form-feedback.is-success { color: #2f7d3f; }
.form-feedback.is-error { color: #b3463a; }
.btn[disabled] { opacity: 0.7; cursor: progress; transform: none; }

/* ===================== 6. SECCIONES ===================== */
/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(34,39,25,0.55), rgba(34,39,25,0.35) 40%, rgba(34,39,25,0.85)); }
.hero__inner { position: relative; z-index: 2; text-align: center; max-width: 760px; margin-inline: auto; padding-top: 5rem; }
.hero .eyebrow { color: #e9c9a8; }
.hero__title { color: #fff; margin-bottom: 1.2rem; }
.hero__lead { color: rgba(255,255,255,0.9); font-size: 1.2rem; max-width: 46ch; margin: 0 auto 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }

/* Experiencia */
.experience__inner { display: grid; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.experience__media img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow-md); object-fit: cover; }
.experience__text { color: var(--c-muted); margin-bottom: 1.1rem; }

/* Platos destacados (carrusel-grid) */
.featured__grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.dish { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease); display: flex; flex-direction: column; }
.dish:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.dish__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d)); }
.dish__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease); }
.dish:hover .dish__media img { transform: scale(1.05); }
.dish__media--empty { display: grid; place-items: center; }
.dish__media--empty::after { content: "Olivar"; font-family: var(--font-display); font-size: 1.6rem; color: rgba(255,255,255,0.6); }
.dish__body { padding: 1.4rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex-grow: 1; }
.dish__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 0.4rem; }
.dish__name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: var(--c-primary-d); line-height: 1.1; }
.dish__price { font-family: var(--font-body); font-weight: 700; color: var(--c-accent); white-space: nowrap; }
.dish__desc { color: var(--c-muted); font-size: 0.96rem; max-width: none; }
.dish__cat { margin-top: 0.9rem; align-self: flex-start; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-primary); background: rgba(59,74,51,0.10); padding: 0.25rem 0.65rem; border-radius: 999px; }

/* Info + horarios */
.info__grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.info__card { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 1.8rem; }
.info__card h3 { margin-bottom: 1rem; }
.hours { display: grid; gap: 0.5rem; }
.hours li { display: flex; justify-content: space-between; gap: 1rem; color: var(--c-muted); border-bottom: 1px dashed var(--c-line); padding-bottom: 0.45rem; }
.hours li span:last-child { color: var(--c-ink); font-weight: 500; white-space: nowrap; }
.info__list { display: grid; gap: 0.6rem; color: var(--c-muted); }
.info__list strong { color: var(--c-ink); }
.map-embed { border: 0; width: 100%; height: 100%; min-height: 280px; border-radius: var(--radius); filter: grayscale(0.2); }
.map-wrap { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); min-height: 280px; }

/* Reservar */
.reserve { background: radial-gradient(100% 120% at 0% 0%, rgba(194,112,61,0.10), transparent 55%), var(--c-surface); }
.reserve__inner { display: grid; gap: clamp(2rem, 5vw, 3rem); align-items: start; }
.reserve__intro { max-width: 460px; }
.reserve__intro .section__title { text-align: left; }

/* Footer */
.site-footer { background: var(--c-primary-d); color: rgba(246,241,230,0.78); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 2.25rem; padding-bottom: 2.5rem; }
.brand--footer { color: #fff; }
.footer__tagline { margin: 0.9rem 0; color: rgba(246,241,230,0.72); max-width: 34ch; }
.footer__title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: rgba(246,241,230,0.6); margin-bottom: 1rem; font-weight: 600; }
.footer__list { display: grid; gap: 0.55rem; }
.footer__list a { color: rgba(246,241,230,0.78); text-decoration: none; transition: color var(--t-fast); }
.footer__list a:hover { color: var(--c-accent); }
.footer__list li { color: rgba(246,241,230,0.78); }
.footer__bottom { display: flex; flex-direction: column; gap: 0.75rem; padding-block: 1.5rem; border-top: 1px solid rgba(246,241,230,0.14); font-size: 0.85rem; color: rgba(246,241,230,0.6); }
.footer__legal { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer__legal a { color: rgba(246,241,230,0.6); text-decoration: none; }
.footer__legal a:hover { color: var(--c-accent); }

/* ===================== 7. CARTA ===================== */
.menu-page { padding-top: clamp(7rem, 14vh, 9rem); padding-bottom: var(--section-y); }
.menu__filters { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; margin-bottom: clamp(2rem, 4vw, 3rem); }
.filter-btn {
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  padding: 0.55rem 1.1rem; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--c-primary-d); border: 1.5px solid var(--c-line);
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.filter-btn:hover { border-color: var(--c-primary); }
.filter-btn[aria-pressed="true"] { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.menu__grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.menu__group-title { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.1rem); color: var(--c-primary-d); margin: 2.5rem 0 1.25rem; grid-column: 1 / -1; border-bottom: 1px solid var(--c-line); padding-bottom: 0.5rem; }
.menu__group-title:first-child { margin-top: 0; }
.menu__status { text-align: center; color: var(--c-muted); padding: 2rem 0; grid-column: 1 / -1; }
.menu__status--error { color: #b3463a; }

/* Badge Portfolio Demo */
.demo-banner {
  position: fixed; left: 1.25rem; bottom: 1.25rem; z-index: 80;
  font-family: var(--font-body); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
  color: var(--c-primary-d); background: rgba(255, 253, 248, 0.88);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border: 1px solid var(--c-line); border-left: 3px solid var(--c-accent);
  padding: 0.45rem 0.85rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm);
}

/* Menú del día (landing + carta) */
.menudia__card { background: var(--c-primary); color: #fff; border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.5rem); display: grid; gap: 1.1rem; box-shadow: var(--shadow-md); }
.menudia__top { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0.3rem 1rem; }
.menudia__title { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.6rem); color: #fff; line-height: 1; }
.menudia__price { font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.6rem); color: #e9c9a8; line-height: 1; }
.menudia__days { color: rgba(255, 255, 255, 0.82); font-size: 0.95rem; }
.menudia__list { display: grid; gap: 0.5rem; }
.menudia__list li { position: relative; padding-left: 1.5rem; color: rgba(255, 255, 255, 0.92); }
.menudia__list li::before { content: "—"; position: absolute; left: 0; color: var(--c-accent); }
.menudia--carta { margin-bottom: clamp(2rem, 4vw, 3rem); }

/* Plato agotado */
.dish--agotado { opacity: 0.6; }
.dish--agotado .dish__media img { filter: grayscale(0.7); }
.dish__badge { position: absolute; top: 0.75rem; left: 0.75rem; z-index: 2; background: #7a2e2e; color: #fff; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.25rem 0.6rem; border-radius: 999px; }

/* CTA sticky móvil */
.mobile-cta { display: none; }

/* Botón volver arriba */
.to-top {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: 85;
  width: 46px; height: 46px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--c-primary); color: #fff; box-shadow: var(--shadow-md);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease), visibility var(--t-med) var(--ease);
}
.to-top svg { width: 20px; height: 20px; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }

@media (max-width: 720px) {
  .mobile-cta {
    display: flex; align-items: center; justify-content: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    padding: 0.95rem 1rem calc(0.95rem + env(safe-area-inset-bottom, 0px));
    background: var(--c-accent); color: #fff; font-weight: 700; text-decoration: none;
    box-shadow: 0 -6px 24px rgba(42, 51, 31, 0.18);
  }
  .demo-banner { bottom: 4.6rem; }
  .to-top { bottom: 4.7rem; }
  body { padding-bottom: 4rem; }
}

/* ===================== 8. ANIMACIONES ===================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ===================== 9. RESPONSIVE (mobile-first) ===================== */
@media (min-width: 640px) {
  .featured__grid { grid-template-columns: repeat(2, 1fr); }
  .menu__grid { grid-template-columns: repeat(2, 1fr); }
  .info__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 960px) {
  .experience__inner { grid-template-columns: 1fr 1fr; }
  .featured__grid { grid-template-columns: repeat(3, 1fr); }
  .menu__grid { grid-template-columns: repeat(3, 1fr); }
  .info__grid { grid-template-columns: 1.2fr 1fr 1.2fr; }
  .reserve__inner { grid-template-columns: 0.9fr 1.1fr; }
  .footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; }
}

/* Navegación móvil anclada bajo el header (altura real vía --header-h) */
@media (max-width: 959px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h, 64px);
    left: 0; right: 0; bottom: 0;
    background: var(--c-bg);
    display: flex; flex-direction: column; justify-content: flex-start;
    padding: clamp(1.25rem, 5vw, 2.25rem) var(--gutter) calc(1.5rem + env(safe-area-inset-bottom, 0px));
    overflow-y: auto; overscroll-behavior: contain;
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease), visibility var(--t-med) var(--ease);
    z-index: 110;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 1.1rem; text-align: center; }
  .nav__link { font-family: var(--font-display); font-size: 1.9rem; }
  .nav__cta { margin-left: 0; margin-top: 0.5rem; }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 520px) {
  .form { grid-template-columns: 1fr; }
}

/* ===================== 10. ACCESIBILIDAD / REDUCE-MOTION ===================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}