/* ==========================================================================
   Pizzeria Al Melograno — design tokens
   Palette e proporzioni derivate dal logo originale e dalle foto del locale.
   Vedi design-system/MASTER.md per la motivazione di ogni scelta.
   ========================================================================== */

:root {
  /* colore */
  --color-melograno: #8A1620;
  --color-melograno-dark: #6C1019;
  --color-paper: #F7F1E4;
  --color-paper-alt: #F0E8D6;
  --color-espresso: #2A1D16;
  --color-espresso-soft: #5A4B3E;
  --color-olive: #57633A;
  --color-terracotta: #B06A3F;
  --color-terracotta-text: #824A29; /* variante scurita di --color-terracotta: 4.5:1 richiede un tono più profondo per il testo piccolo */
  --color-gold: #9C7A35;
  --color-line: rgba(176, 106, 63, 0.28);

  /* tipografia */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Archivo", -apple-system, "Segoe UI", system-ui, sans-serif;
  --step-0: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  --step-1: clamp(1.15rem, 1.05rem + 0.4vw, 1.375rem);
  --step-2: clamp(1.4rem, 1.2rem + 0.8vw, 1.9rem);
  --step-3: clamp(1.8rem, 1.5rem + 1.4vw, 2.6rem);
  --step-4: clamp(2.3rem, 1.8rem + 2.4vw, 3.6rem);

  /* spaziatura */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* forma */
  --radius-sm: 3px;
  --radius-md: 6px;
  --shadow-soft: 0 1px 2px rgba(42, 29, 22, 0.1), 0 4px 14px rgba(42, 29, 22, 0.06);
  --max-width: 1160px;
  --duration: 180ms;
  --ease: ease-out;

  /* motion: linguaggio coordinato per ingresso hero e reveal allo scroll */
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-reveal: 650ms;
}

/* ==========================================================================
   Reset essenziale
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-espresso);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--color-espresso);
  line-height: 1.15;
  margin: 0 0 var(--space-4);
  font-weight: 600;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); font-weight: 700; }

p { margin: 0 0 var(--space-4); }

a { color: inherit; }

ul { list-style: none; margin: 0; padding: 0; }

table { border-collapse: collapse; }

button { font: inherit; }

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Motion — linguaggio di movimento condiviso
   Ingresso hero orchestrato + reveal allo scroll. Curva unica (--ease-premium),
   sempre opacità + piccola traslazione, mai rimbalzi o rotazioni.
   ========================================================================== */

@keyframes fadeUpIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes titleReveal {
  from { opacity: 0; transform: translateY(20px); clip-path: inset(0 0 100% 0); }
  to   { opacity: 1; transform: translateY(0);    clip-path: inset(0 0 0% 0); }
}

@keyframes markReveal {
  from { opacity: 0;    transform: translateY(-6px) scale(0.9); }
  to   { opacity: 0.08; transform: translateY(0) scale(1); }
}

/* Reveal allo scroll: le classi .reveal / .reveal-img / .reveal-clip vengono
   aggiunte via JavaScript solo se prefers-reduced-motion lo consente, quindi
   se lo script non parte il contenuto resta semplicemente sempre visibile. */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-reveal) var(--ease-premium),
              transform var(--duration-reveal) var(--ease-premium);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal-img {
  opacity: 0;
  transform: translateY(24px) scale(1.035);
  transition: opacity var(--duration-reveal) var(--ease-premium),
              transform 750ms var(--ease-premium);
}
.reveal-img.is-visible { opacity: 1; transform: translateY(0) scale(1); }

.reveal-clip {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 900ms var(--ease-premium);
}
.reveal-clip.is-visible { clip-path: inset(0 0 0% 0); }

/* Focus visibile ovunque */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--color-olive);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Barra demo
   ========================================================================== */

.demo-bar {
  margin: 0;
  background: var(--color-espresso);
  color: var(--color-paper);
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: var(--space-2) var(--space-4);
}

/* ==========================================================================
   Skip link
   ========================================================================== */

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--color-melograno);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 100;
  transition: top var(--duration) var(--ease);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ==========================================================================
   Bottoni
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.7em 1.4em;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration) var(--ease), border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-melograno);
  color: #fff;
}
.btn-primary:hover { background: var(--color-melograno-dark); }

.btn-secondary {
  background: transparent;
  color: var(--color-espresso);
  border-color: var(--color-espresso);
}
.btn-secondary:hover {
  background: var(--color-espresso);
  color: var(--color-paper);
}

.btn-lg { padding: 0.85em 1.7em; font-size: 1rem; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.brand { display: block; line-height: 0; }
.brand__logo {
  height: 64px;
  width: auto;
  image-rendering: -webkit-optimize-contrast;
  animation: fadeUpIn 550ms var(--ease-premium) 40ms both;
}

@media (min-width: 861px) {
  .brand__logo { height: 80px; }
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: 1.5px solid var(--color-espresso);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  min-height: 44px;
  cursor: pointer;
  color: var(--color-espresso);
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-espresso);
  position: relative;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.nav-toggle__bars::before { position: absolute; top: -6px; }
.nav-toggle__bars::after { position: absolute; top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.primary-nav { flex: 1; }

.nav-list {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
}

.nav-list a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration) var(--ease);
}

.nav-list a:hover { border-color: var(--color-melograno); }

.header-cta { flex-shrink: 0; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration) var(--ease);
  }

  .primary-nav.is-open { max-height: 400px; }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) var(--space-5) var(--space-4);
  }

  .nav-list a {
    display: block;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-line);
  }

  .header-cta { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding-block: var(--space-9) var(--space-8);
  overflow: hidden;
  text-align: center;
}

.hero__inner {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__mark {
  position: absolute;
  top: var(--space-6);
  right: max(var(--space-5), calc(50% - 620px));
  width: 130px;
  height: auto;
  opacity: 0.08;
  pointer-events: none;
  transform: translateY(var(--parallax-y, 0px));
  animation: markReveal 700ms var(--ease-premium) 750ms both;
}

.eyebrow {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--color-terracotta-text);
  margin-bottom: var(--space-3);
  animation: fadeUpIn 550ms var(--ease-premium) 60ms both;
}

.hero h1 {
  margin-bottom: var(--space-4);
  animation: titleReveal 700ms var(--ease-premium) 200ms both;
}

.hero .lead {
  font-size: var(--step-1);
  color: var(--color-espresso-soft);
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  animation: fadeUpIn 600ms var(--ease-premium) 420ms both;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUpIn 600ms var(--ease-premium) 580ms both;
}

@media (max-width: 520px) {
  .hero__mark { display: none; }
}

/* ==========================================================================
   Sezioni generiche
   ========================================================================== */

.section {
  padding-block: var(--space-9);
  scroll-margin-top: 96px;
}

@media (min-width: 861px) {
  .section { scroll-margin-top: 118px; }
}

.section--muted { background: var(--color-paper-alt); }

.section h2 { position: relative; }

/* ==========================================================================
   Storia
   ========================================================================== */

.storia__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-8);
  align-items: center;
}

.storia__text p:last-child { margin-bottom: 0; }

.storia__figure {
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.storia__figure img { width: 100%; object-fit: cover; aspect-ratio: 1206 / 777; }

.storia__figure figcaption {
  padding: var(--space-3) var(--space-4);
  font-size: 0.85rem;
  color: var(--color-espresso-soft);
  background: var(--color-paper);
}

@media (max-width: 860px) {
  .storia__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .storia__figure { order: -1; max-width: 480px; margin-inline: auto; width: 100%; }
}

/* ==========================================================================
   Specialità / servizi
   ========================================================================== */

.services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5) var(--space-6);
  margin-top: var(--space-6);
}

.services__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.services__icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--color-melograno);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: 2px;
}

.services__item strong {
  display: block;
  font-size: 1.02rem;
  margin-bottom: 2px;
}

.services__item span {
  color: var(--color-espresso-soft);
  font-size: 0.92rem;
}

.services__item.reveal { transition-delay: calc(var(--stagger, 0) * 55ms); }
.services__item:nth-child(1) { --stagger: 0; }
.services__item:nth-child(2) { --stagger: 1; }
.services__item:nth-child(3) { --stagger: 2; }
.services__item:nth-child(4) { --stagger: 3; }
.services__item:nth-child(5) { --stagger: 4; }
.services__item:nth-child(6) { --stagger: 5; }
.services__item:nth-child(7) { --stagger: 6; }
.services__item:nth-child(8) { --stagger: 7; }

@media (max-width: 700px) {
  .services { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Menu
   ========================================================================== */

.menu-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-7);
}

.menu-note {
  font-size: 0.85rem;
  color: var(--color-espresso-soft);
  font-style: italic;
}

.menu-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.menu-group h3 {
  color: var(--color-melograno);
  border-bottom: 1px solid var(--color-line);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 1rem;
}

.menu-group__second { margin-top: var(--space-7); }

.menu-list li {
  padding-block: var(--space-3);
  border-bottom: 1px dashed var(--color-line);
}

.menu-list li:last-child { border-bottom: none; }

.menu-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.menu-item__name {
  font-weight: 700;
  font-size: 0.98rem;
}

.menu-item__price {
  font-weight: 700;
  color: var(--color-melograno);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}

.menu-item__ingredients {
  margin: var(--space-1) 0 0;
  color: var(--color-espresso-soft);
  font-size: 0.88rem;
  line-height: 1.5;
}

.menu-footnote {
  margin-top: var(--space-7);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-espresso-soft);
}

@media (max-width: 860px) {
  .menu-groups { grid-template-columns: 1fr; gap: var(--space-7); }
}

/* ==========================================================================
   Galleria / ambiente
   ========================================================================== */

.gallery {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.gallery figure {
  margin: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  background: var(--color-paper);
}

.gallery__primary img { aspect-ratio: 1206 / 794; object-fit: cover; width: 100%; }
.gallery__secondary { margin-top: var(--space-8); }
.gallery__secondary img { aspect-ratio: 1206 / 777; object-fit: cover; width: 100%; }

.gallery figcaption {
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
  font-weight: 600;
}

.gallery__caption-full {
  margin-top: var(--space-5);
  font-size: 0.85rem;
  color: var(--color-espresso-soft);
}

@media (max-width: 780px) {
  .gallery { grid-template-columns: 1fr; }
  .gallery__secondary { margin-top: 0; max-width: 380px; }
}

/* ==========================================================================
   Contatti / informazioni pratiche
   ========================================================================== */

.contatti__grid { max-width: 640px; }

.info-list {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.info-list dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-terracotta-text);
  margin-bottom: 2px;
}

.info-list dd {
  margin: 0;
  font-size: 1.05rem;
}

.info-list a { text-decoration: underline; text-underline-offset: 3px; }

.hours { margin: var(--space-7) 0; }

.hours table { width: 100%; }

.hours th, .hours td {
  text-align: left;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--color-line);
  font-weight: 400;
}

.hours th { font-weight: 600; }
.hours td { text-align: right; font-variant-numeric: tabular-nums; }

.hours__note {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--color-espresso-soft);
  margin-bottom: 0;
}

.social-proof {
  font-weight: 600;
  color: var(--color-olive);
  margin-bottom: var(--space-6);
}

.contatti__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.external-links {
  font-size: 0.88rem;
  color: var(--color-espresso-soft);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.external-links a { text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-espresso);
  color: var(--color-paper);
  padding-block: var(--space-7);
  text-align: center;
}

.footer__mark {
  width: 56px;
  height: auto;
  margin: 0 auto var(--space-4);
  filter: invert(1) brightness(1.6) saturate(0.4);
  opacity: 0.6;
}

.footer__inner p { margin: 0 0 var(--space-2); font-size: 0.9rem; }
.footer__meta { color: rgba(247, 241, 228, 0.65); font-size: 0.8rem !important; }

/* ==========================================================================
   CTA telefonica mobile
   ========================================================================== */

.mobile-cta {
  display: none;
  position: fixed;
  right: var(--space-4);
  bottom: max(var(--space-4), env(safe-area-inset-bottom));
  z-index: 60;
  transition: transform 260ms var(--ease-premium), opacity 260ms var(--ease-premium);
  animation: fadeUpIn 500ms var(--ease-premium) 300ms both;
}

.mobile-cta .btn {
  padding: 0.58em 1.05em;
  font-size: 0.85rem;
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  transition: transform 220ms var(--ease-premium), opacity 220ms var(--ease-premium), background-color var(--duration) var(--ease);
}

.mobile-cta__icon { width: 16px; height: 16px; fill: currentColor; }

.mobile-cta.is-hidden {
  transform: translateY(140%);
  opacity: 0;
}

/* Durante lo scroll attivo si fa più piccola e discreta, per non coprire il testo del menu;
   torna alla dimensione piena non appena lo scroll si ferma. */
.mobile-cta.is-compact .btn {
  transform: scale(0.9);
  opacity: 0.7;
}

@media (max-width: 860px) {
  .mobile-cta { display: block; }
}