/* ==========================================================================
   Da Gastone — design system condiviso
   Replica fedele del sito Squarespace originale. Mobile-first.
   Token, tipografia, header/footer, griglie, motion, lightbox.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Token
   -------------------------------------------------------------------------- */
:root {
  --red: #e60004;         /* titoli display */
  --bordeaux: #870815;    /* rosso logo, accenti rari */
  --ink: #272727;         /* testo corpo */
  --ink-strong: #1d1d1d;  /* nav, titoli neri, bottoni */
  --muted: #6f6f6f;
  --bg: #ffffff;
  --bg-soft: #f6f6f6;
  --font-display: 'Playfair Display', 'Didot', Georgia, serif;
  --font-sans: 'Mulish', 'Helvetica Neue', Arial, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset minimale
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
}

img,
svg,
picture,
video {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--ink-strong);
  outline-offset: 2px;
}

/* Scroll lock quando overlay nav o lightbox sono aperti */
body.nav-open,
body.lightbox-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   3. Layout: container e sezioni
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 768px) {
  .container {
    padding-inline: 24px;
  }
}

.section {
  padding-block: clamp(56px, 9vw, 96px);
}

.text-center {
  text-align: center;
}

/* --------------------------------------------------------------------------
   4. Tipografia
   -------------------------------------------------------------------------- */
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  letter-spacing: -0.01em;
  line-height: 1.08;
  color: var(--red);
}

.display-sm {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  color: var(--red);
}

.display em,
.display-sm em {
  font-style: italic;
}

.eyebrow {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-strong);
}

.smallcaps {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  line-height: 2.1;
  color: var(--ink);
}

.prose {
  max-width: 68ch;
}

.prose p + p {
  margin-top: 1.2em;
}

.text-center .prose,
.prose.text-center {
  margin-inline: auto;
}

/* --------------------------------------------------------------------------
   5. Bottone pill
   -------------------------------------------------------------------------- */
.btn-pill {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-strong);
  border: 1px solid var(--ink-strong);
  border-radius: 999px;
  padding: 12px 28px;
  transition: transform 0.2s var(--ease);
}

.btn-pill:hover {
  background: var(--ink-strong);
  color: var(--bg);
}

.btn-pill:active {
  transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   6. Header
   -------------------------------------------------------------------------- */
.site-header {
  background: var(--bg);
  padding: 28px 0;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  display: inline-block;
  width: 110px;
}

.logo svg {
  width: 100%;
  height: auto;
}

/* Link di navigazione (condivisi desktop/overlay) */
.nav-list a {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-strong);
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: opacity 0.3s var(--ease);
}

.nav-list a:hover {
  opacity: 0.55;
}

.nav-list a.is-active {
  border-bottom-color: currentColor;
}

.social-link {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--ink-strong);
  transition: opacity 0.3s var(--ease);
}

.social-link:hover {
  opacity: 0.55;
}

/* Nav mobile: overlay a schermo pieno */
.site-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease),
    visibility 0s 0.35s;
}

body.nav-open .site-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition:
    opacity 0.35s var(--ease),
    transform 0.35s var(--ease);
}

.nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.nav-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.nav-social {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Hamburger (solo mobile/tablet) */
.nav-toggle {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  z-index: 210;
}

.nav-toggle-bar {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background: var(--ink-strong);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.nav-toggle-bar:nth-child(1) { top: 15px; }
.nav-toggle-bar:nth-child(2) { top: 21px; }
.nav-toggle-bar:nth-child(3) { top: 27px; }

body.nav-open .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.nav-open .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Header desktop */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .header-inner {
    justify-content: flex-start;
    gap: 48px;
  }

  .logo {
    width: 150px;
    flex-shrink: 0;
  }

  .site-nav {
    position: static;
    z-index: auto;
    background: transparent;
    flex: 1;
    flex-direction: row;
    justify-content: space-between;
    gap: 24px;
    overflow: visible;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .nav-list {
    flex-direction: row;
    gap: 28px;
  }

  .nav-list a {
    font-size: 0.72rem;
  }

  .nav-actions {
    flex-direction: row;
    gap: 14px;
  }
}

/* --------------------------------------------------------------------------
   7. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  padding: 64px 0 40px;
  text-align: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 28px;
}

.footer-nav a {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-strong);
  transition: opacity 0.3s var(--ease);
}

.footer-nav a:hover {
  opacity: 0.55;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.footer-social .social-link svg {
  width: 18px;
  height: 18px;
}

.footer-logo {
  display: inline-block;
  width: 120px;
  margin-top: 28px;
}

.footer-logo svg {
  width: 100%;
  height: auto;
}

.footer-copy {
  margin-top: 24px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   8. Griglie
   -------------------------------------------------------------------------- */
.grid-2,
.grid-2-inv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .grid-2,
  .grid-2-inv {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .grid-2-inv > :first-child {
    order: 2;
  }
}

/* Galleria: 1 colonna mobile, 2 tablet, 3 desktop */
.grid-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .grid-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  display: block;
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.gallery-item:hover img {
  transform: scale(1.02);
}

/* --------------------------------------------------------------------------
   9. Immagini ovali
   -------------------------------------------------------------------------- */
.img-oval {
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}

.img-oval img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   10. Reveal on scroll
   -------------------------------------------------------------------------- */
/* Il reveal si attiva solo quando JS è disponibile (@media scripting): senza JS
   o su browser che non supportano la feature, il contenuto resta pienamente
   visibile — nessun rischio di pagina vuota. */
@media (scripting: enabled) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition:
      opacity 0.6s var(--ease),
      transform 0.6s var(--ease);
    transition-delay: calc(var(--i, 0) * 90ms);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   11. Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(29, 29, 29, 0.94);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s var(--ease),
    visibility 0s 0.3s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s var(--ease);
}

.lightbox-img {
  display: block;
  max-width: min(90vw, 1100px);
  max-height: 82vh;
  width: auto;
  height: auto;
  transform: scale(0.98);
  transition: transform 0.3s var(--ease);
}

.lightbox.is-open .lightbox-img {
  transform: scale(1);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--bg);
  transition: opacity 0.3s var(--ease);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 0.6;
}

.lightbox-close {
  top: 16px;
  right: 16px;
}

.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev { left: 8px; }
.lightbox-next { right: 8px; }

.lightbox-close:focus-visible,
.lightbox-prev:focus-visible,
.lightbox-next:focus-visible {
  outline-color: var(--bg);
}

/* --------------------------------------------------------------------------
   12. Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}