/* ==========================================================================
   Tennis Club Pinzolo - CSS Personalizzato
   Versione: 1.0
   Descrizione: Foglio di stile premium per il sito del Tennis Club Pinzolo.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABILI CSS (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colori principali */
  --color-primary: #1B5E3A;
  --color-primary-light: #2D8B5E;
  --color-secondary: #2C3E50;
  --color-accent: #E8A838;
  --color-accent-light: #F0C56A;
  --color-accent-dark: #C88A20;

  /* Sfondi */
  --bg-light: #FAFBFC;
  --bg-warm: #F5F0E8;
  --bg-dark: #0F2B1D;

  /* Testo */
  --text-color: #1A1A2E;
  --text-muted: #6B7280;

  /* Gradienti */
  --gradient-hero: linear-gradient(135deg, var(--color-primary), var(--bg-dark));
  --gradient-gold: linear-gradient(135deg, var(--color-accent), var(--color-accent-light), var(--color-accent));
  --gradient-court: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  --gradient-overlay: linear-gradient(180deg, rgba(15, 43, 29, 0.7) 0%, rgba(15, 43, 29, 0.4) 50%, rgba(15, 43, 29, 0.8) 100%);

  /* Ombre */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.2);
  --shadow-accent: 0 8px 24px rgba(232, 168, 56, 0.3);

  /* Bordi */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 50px;
  --radius-circle: 50%;

  /* Transizioni */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Spaziatura */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;

  /* Contenitori */
  --container-sm: 720px;
  --container-md: 960px;
  --container-lg: 1280px;

  /* Tipografia */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* --------------------------------------------------------------------------
   2. RESET E STILI BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-color);
}

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.75rem); }

p {
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   3. LOADER DI PAGINA
   -------------------------------------------------------------------------- */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader__ball {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-circle);
  background: radial-gradient(circle at 35% 35%, #d4f040, #c8e632, #a0c020);
  box-shadow: inset -4px -4px 8px rgba(0, 0, 0, 0.15),
              0 0 20px rgba(200, 230, 50, 0.4);
  animation: ballBounce 0.6s ease-in-out infinite alternate;
}

/* Linea curva sulla pallina */
.page-loader__ball::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  width: 80%;
  height: 2px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: rotate(-30deg);
}

@keyframes ballBounce {
  0% {
    transform: translateY(0) scale(1, 1);
  }
  100% {
    transform: translateY(-60px) scale(0.95, 1.05);
  }
}

/* --------------------------------------------------------------------------
   4. HEADER E NAVIGAZIONE
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition-base),
              padding var(--transition-base),
              box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(15, 43, 29, 0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  padding: 0.6rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 5%;
}

.site-logo img {
  height: 50px;
  width: auto;
  transition: height var(--transition-base);
}

.site-header.scrolled .site-logo img {
  height: 38px;
}

/* Link di navigazione desktop */
.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link:hover {
  color: var(--color-accent-light);
}

/* Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 1010;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.hamburger.is-active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Pannello navigazione mobile */
.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: rgba(15, 43, 29, 0.96);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 1005;
  padding: 6rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__link {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 500;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--transition-base), transform var(--transition-base),
              color var(--transition-fast);
}

.mobile-nav.is-open .mobile-nav__link {
  opacity: 1;
  transform: translateX(0);
}

/* Ingresso sfalsato per ogni link mobile */
.mobile-nav.is-open .mobile-nav__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(5) { transition-delay: 0.3s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(6) { transition-delay: 0.35s; }
.mobile-nav.is-open .mobile-nav__link:nth-child(7) { transition-delay: 0.4s; }

.mobile-nav__link:hover {
  color: var(--color-accent);
}

/* Overlay scuro dietro il menu mobile */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1004;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------------------------------
   5. SEZIONE HERO
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  will-change: transform;
  z-index: 0;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  padding: 0 5%;
}

.hero__overline {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
  opacity: 0;
  transform: translateY(40px);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(40px);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  opacity: 0;
  transform: translateY(40px);
}

.hero__cta {
  opacity: 0;
  transform: translateY(40px);
}

/* Animazione ingresso hero (attivata dalla classe .loaded sul body) */
@keyframes heroSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.loaded .hero__overline {
  animation: heroSlideUp 0.8s var(--transition-base) 0.2s forwards;
}

body.loaded .hero__title {
  animation: heroSlideUp 0.8s var(--transition-base) 0.3s forwards;
}

body.loaded .hero__subtitle {
  animation: heroSlideUp 0.8s var(--transition-base) 0.5s forwards;
}

body.loaded .hero__cta {
  animation: heroSlideUp 0.8s var(--transition-base) 0.7s forwards;
}

/* Indicatore di scorrimento */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-indicator__arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255, 255, 255, 0.5);
  border-bottom: 2px solid rgba(255, 255, 255, 0.5);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
  50%      { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* --------------------------------------------------------------------------
   6. SEZIONI GENERALI
   -------------------------------------------------------------------------- */
.section-padding {
  padding-top: clamp(4rem, 8vw, 8rem);
  padding-bottom: clamp(4rem, 8vw, 8rem);
}

.section-dark {
  background-color: var(--bg-dark);
  color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

.section-cream {
  background-color: var(--bg-warm);
}

.container {
  width: min(90%, var(--container-lg));
  margin-left: auto;
  margin-right: auto;
}

.container--narrow {
  width: min(90%, var(--container-sm));
}

/* Etichetta sopra al titolo */
.overline {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-title {
  margin-bottom: var(--spacing-lg);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--gradient-gold);
  margin-top: 1rem;
  border-radius: 2px;
}

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

.section-title--center::after {
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   7. CARD
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card__body {
  padding: var(--spacing-md);
}

.card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: rgba(27, 94, 58, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card__text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Card vetro (per sezioni scure) */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: var(--spacing-lg);
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: 0 12px 40px rgba(232, 168, 56, 0.15);
}

.glass-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(232, 168, 56, 0.12);
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

/* --------------------------------------------------------------------------
   8. PULSANTI
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-court);
  color: #fff;
  box-shadow: 0 4px 16px rgba(27, 94, 58, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(27, 94, 58, 0.4);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-accent {
  background: var(--gradient-gold);
  color: var(--bg-dark);
  box-shadow: 0 4px 16px rgba(232, 168, 56, 0.3);
}

.btn-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover::before {
  left: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: rgba(232, 168, 56, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(232, 168, 56, 0.15);
}

/* --------------------------------------------------------------------------
   9. SEZIONE CONTATORI
   -------------------------------------------------------------------------- */
.counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.counter__number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.counter__label {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-dark .counter__label {
  color: rgba(255, 255, 255, 0.7);
}

@keyframes counterPop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.counter__number.is-visible {
  animation: counterPop 0.4s ease-out;
}

/* --------------------------------------------------------------------------
   10. SCHEDE (TABS)
   -------------------------------------------------------------------------- */
.tabs-wrapper {
  margin-bottom: var(--spacing-lg);
}

.tabs-nav {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid rgba(0, 0, 0, 0.06);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-color);
}

.tab-btn.active {
  color: var(--color-accent-dark);
  border-bottom-color: var(--color-accent);
}

.section-dark .tab-btn {
  color: rgba(255, 255, 255, 0.5);
}

.section-dark .tab-btn.active {
  color: var(--color-accent-light);
  border-bottom-color: var(--color-accent);
}

.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   11. GALLERIA FOTOGRAFICA
   -------------------------------------------------------------------------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 8px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.gallery-item--wide {
  grid-column: span 2;
}

.gallery-item--tall {
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item::after {
  content: '+';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 43, 29, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 300;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Lightbox (galleria a schermo intero) */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.is-active {
  opacity: 1;
  visibility: visible;
}

.lightbox__image {
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox.is-active .lightbox__image {
  transform: scale(1);
}

.lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: var(--radius-circle);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-circle);
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.15);
}

.lightbox__nav--prev {
  left: 1.5rem;
}

.lightbox__nav--next {
  right: 1.5rem;
}

/* --------------------------------------------------------------------------
   12. MODULO DI CONTATTO
   -------------------------------------------------------------------------- */
.form-group {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.form-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-color);
  background: transparent;
  border: none;
  border-bottom: 2px solid rgba(0, 0, 0, 0.12);
  padding: 1.25rem 0 0.5rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  border-bottom-color: var(--color-accent);
}

.form-label {
  position: absolute;
  top: 1.25rem;
  left: 0;
  font-size: 1rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: top var(--transition-fast), font-size var(--transition-fast),
              color var(--transition-fast);
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: 0;
  font-size: 0.75rem;
  color: var(--color-accent);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

/* Stili per sezioni scure */
.section-dark .form-input {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

.section-dark .form-input:focus {
  border-bottom-color: var(--color-accent);
}

.section-dark .form-label {
  color: rgba(255, 255, 255, 0.5);
}

.section-dark .form-input:focus ~ .form-label,
.section-dark .form-input:not(:placeholder-shown) ~ .form-label {
  color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  display: inline-block;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.footer-contact-item i {
  color: var(--color-accent);
  margin-top: 0.2rem;
}

/* Divisore dorato */
.footer-divider {
  height: 2px;
  background: var(--gradient-gold);
  border: none;
  opacity: 0.4;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: var(--color-accent-light);
}

/* Pulsante torna su */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-circle);
  background: var(--color-accent);
  color: var(--bg-dark);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(232, 168, 56, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-fast), visibility var(--transition-fast),
              transform var(--transition-fast), background var(--transition-fast);
  z-index: 999;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent-dark);
  transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   14. CLASSI DI UTILITA
   -------------------------------------------------------------------------- */
.text-gradient-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-accent {
  color: var(--color-accent);
}

.text-white {
  color: #fff;
}

.text-muted {
  color: var(--text-muted);
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* --------------------------------------------------------------------------
   15. MEDIA QUERIES (Responsive)
   -------------------------------------------------------------------------- */

/* Tablet e schermi medi */
@media (max-width: 1024px) {
  .hamburger {
    display: flex;
  }

  .nav-list {
    display: none;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
  h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
}

/* Smartphone */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }

  .gallery-item--wide {
    grid-column: span 1;
  }

  .gallery-item--tall {
    grid-row: span 1;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .counters {
    grid-template-columns: repeat(2, 1fr);
  }

  .tabs-nav {
    gap: 0;
  }

  .tab-btn {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }

  .lightbox__nav {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .lightbox__nav--prev { left: 0.75rem; }
  .lightbox__nav--next { right: 0.75rem; }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 42px;
    height: 42px;
  }
}

/* Smartphone piccoli */
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 150px;
  }

  .counters {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }

  .counter__number {
    font-size: 2rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* --------------------------------------------------------------------------
   16. ACCESSIBILITA
   -------------------------------------------------------------------------- */

/* Link per saltare al contenuto */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--bg-dark);
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 600;
  z-index: 10001;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Stile del focus visibile */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Focus per pulsanti e link interattivi */
.btn:focus-visible,
.nav-link:focus-visible,
.tab-btn:focus-visible,
.gallery-item:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

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

  .hero__background {
    transform: none !important;
  }

  .page-loader {
    display: none;
  }

  body.loaded .hero__overline,
  body.loaded .hero__title,
  body.loaded .hero__subtitle,
  body.loaded .hero__cta {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

/* --------------------------------------------------------------------------
   17. OVERRIDE AOS (Animate On Scroll) PER MOBILE
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Converti animazioni orizzontali in fade-up su mobile */
  [data-aos="fade-left"],
  [data-aos="fade-right"],
  [data-aos="slide-left"],
  [data-aos="slide-right"] {
    transform: translateY(20px) !important;
  }

  [data-aos="fade-left"].aos-animate,
  [data-aos="fade-right"].aos-animate,
  [data-aos="slide-left"].aos-animate,
  [data-aos="slide-right"].aos-animate {
    transform: translateY(0) !important;
  }

  /* Ridurre offset AOS su mobile */
  [data-aos] {
    transition-duration: 400ms !important;
  }
}

/* --------------------------------------------------------------------------
   18. CLASSI AGGIUNTIVE (Allineamento HTML)
   -------------------------------------------------------------------------- */

/* Hero Section - alias per HTML */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  will-change: transform;
}

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

.hero-element {
  opacity: 0;
}

body.loaded .hero-element:nth-child(1) {
  animation: heroSlideUp 0.8s ease-out 0.2s forwards;
}

body.loaded .hero-element:nth-child(2) {
  animation: heroSlideUp 0.8s ease-out 0.4s forwards;
}

body.loaded .hero-element:nth-child(3) {
  animation: heroSlideUp 0.8s ease-out 0.6s forwards;
}

body.loaded .hero-element:nth-child(4) {
  animation: heroSlideUp 0.8s ease-out 0.8s forwards;
}

/* Scroll dot animation */
.scroll-dot {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* Counter number */
.counter-number {
  font-variant-numeric: tabular-nums;
}

/* Hamburger lines */
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.2s ease;
  margin: 5px 0;
}

.menu-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Gallery grid spans */
.gallery-grid .span-col-2 {
  grid-column: span 2;
}

.gallery-grid .span-row-2 {
  grid-row: span 2;
}

@media (max-width: 768px) {
  .gallery-grid .span-col-2,
  .gallery-grid .span-row-2 {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* Section dark text fix */
.section-dark h2,
.section-dark h3,
.section-dark p {
  color: inherit;
}

/* Nav toggle button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* Nav overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.menu-open .nav-overlay {
  opacity: 1;
  visibility: visible;
}

/* Loader ball */
.loader-ball {
  width: 32px;
  height: 32px;
  background: #c8e632;
  border-radius: 50%;
  animation: loaderBounce 0.6s ease-in-out infinite;
}

@keyframes loaderBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* Form textarea */
.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Lightbox controls */
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: transform 0.2s ease;
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: none;
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
  z-index: 10;
}

.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  font-family: var(--font-heading);
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  transform: scale(0.9);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
}

.lightbox-overlay.active .lightbox-img {
  transform: scale(1);
  opacity: 1;
}