/* ==========================================================================
   MODERN THEME - ASSOCIAZIONE CONTEA (2026 STANDARD)
   ========================================================================== */

/* --- CSS VARIABLES --- */
:root {
  /* Colors - Modern Nonprofit Palette */
  --primary: #2E7D32;
  /* Verde solidale */
  --primary-dark: #1B5E20;
  --secondary: #4CAF50;
  --secondary-light: #C8E6C9;
  --accent: #81C784;
  --bg-neutral: #FAFAFA;
  --bg-white: #FFFFFF;
  --bg-dark: #111827;
  /* Modern dark for footer */

  /* Text Colors */
  --text-main: #1F2937;
  --text-muted: #6B7280;
  --text-light: #F9FAFB;

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;

  /* Layout & Spacing */
  --container-width: 1200px;
  --section-padding: 5rem 1rem;

  /* Components */
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* --- RESET & BASICS --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  scroll-behavior: smooth;
  font-size: 16px;
  color: var(--text-main);
  background-color: var(--bg-neutral);
}

body {
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* --- TYPOGRAPHY --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-main);
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

/* --- UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
}

.bg-white {
  background-color: var(--bg-white);
}

.bg-neutral {
  background-color: var(--bg-neutral);
}

.bg-primary {
  background-color: var(--primary);
  color: var(--text-light);
}

.bg-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

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

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

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* --- COMPONENTS --- */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1.125rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-light);
  box-shadow: 0 4px 14px 0 rgba(46, 125, 50, 0.39);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.23);
  color: var(--text-light);
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--text-light);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--text-light);
  color: var(--text-main);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background-color: var(--bg-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  background-color: var(--secondary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title span {
  display: block;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

/* --- LAYOUT SECTIONS --- */

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  height: 4.5rem;
  padding: 0;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.05em;
  transition: color var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.logo::after {
  content: '';
  display: inline-block;
  width: 4.75rem;
  height: 4.75rem;
  background-image: url(/immagini/contea/logoNOtext-WtSolid.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
  transition: width var(--transition-normal), height var(--transition-normal), filter var(--transition-normal);
}

.navbar.scrolled .logo::after {
  width: 2.55rem;
  height: 2.55rem;
  filter: none;
  background-image: url(/immagini/contea/logoNOtext-Gr.svg);
}

.navbar.scrolled .logo {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-light);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.navbar.scrolled .nav-link {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}


.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

.navbar.scrolled .mobile-menu-btn {
  color: var(--text-main);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  background-image: url('../immagini/slide/slide01.jpg');
  /* Fallback / Example */
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  /* Optional light parallax, removed if performance issue */
  overflow: hidden;
}

/* Hero Slideshow (ex hero-bg-logo statica, ora slideshow dinamico Slick) */
.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-slideshow .hero-slider,
.hero-slideshow .hero-slider .slick-list,
.hero-slideshow .hero-slider .slick-track,
.hero-slideshow .hero-slider .slick-slide,
.hero-slideshow .hero-slider .slick-slide > div {
  height: 100%;
}

.hero-slideshow .hero-slider *:focus {
  outline: none;
}

.hero-slide {
  height: 100%;
  width: 100%;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* Breakpoint s (fino a 600px) */
@media (max-width: 600px) {
  .hero-slide-01 { background-image: url(../immagini/contea/volontariato/volontariato-06-A.jpg); }
  .hero-slide-02 { background-image: url(../immagini/contea/volontariato/volontariato-04-A.jpg); }
  .hero-slide-03 { background-image: url(../immagini/contea/volontariato/volontariato-07-A.jpg); }
  .hero-slide-04 { background-image: url(../immagini/contea/volontariato/volontariato-08-A.jpg); }
}

/* Breakpoint m (da 601px) */
@media (min-width: 601px) {
  .hero-slide-01 { background-image: url(../immagini/contea/volontariato/volontariato-06-B.jpg); }
  .hero-slide-02 { background-image: url(../immagini/contea/volontariato/volontariato-04-B.jpg); }
  .hero-slide-03 { background-image: url(../immagini/contea/volontariato/volontariato-07-B.jpg); }
  .hero-slide-04 { background-image: url(../immagini/contea/volontariato/volontariato-08-B.jpg); }
}

/* Breakpoint l (da 993px) */
@media (min-width: 993px) {
  .hero-slide-01 { background-image: url(../immagini/contea/volontariato/volontariato-06.jpg); }
  .hero-slide-02 { background-image: url(../immagini/contea/volontariato/volontariato-04.jpg); }
  .hero-slide-03 { background-image: url(../immagini/contea/volontariato/volontariato-07.jpg); }
  .hero-slide-04 { background-image: url(../immagini/contea/volontariato/volontariato-08.jpg); }
}

/* No parallax for better perf on mobile */
@media (max-width: 768px) {
  .hero {
    background-attachment: scroll;
  }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(17, 24, 39, 0.8), rgba(17, 24, 39, 0.4));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-light);
  max-width: 800px;
}

.hero-content h1 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.hero-content p {
  color: #E5E7EB;
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero animated scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-light);
  font-size: 2rem;
  animation: bounce 2s infinite;
  opacity: 0.7;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }

  40% {
    transform: translateY(-20px) translateX(-50%);
  }

  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* Cosa Facciamo (Services) */
.service-card {
  text-align: left;
}

.service-card h3 {
  margin-bottom: 1rem;
}

.service-card p {
  flex-grow: 1;
}

/* Numbers / Impact Section */
.impact-section {
  background-color: var(--primary);
  color: var(--text-light);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  text-align: center;
}

.impact-item h3 {
  font-size: 3rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.impact-item p {
  color: var(--secondary-light);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--text-light);
  border-radius: var(--border-radius-lg);
  margin: 4rem auto;
  padding: 4rem 2rem;
  text-align: center;
  max-width: var(--container-width);
}

.cta-section h2 {
  color: var(--text-light);
}

.cta-section p {
  color: var(--secondary-light);
  max-width: 600px;
  margin: 0 auto 2rem auto;
}

/* Footer */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.footer-brand p {
  color: #9CA3AF;
}

.footer h4 {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.footer ul li {
  margin-bottom: 0.75rem;
}

.footer ul li a {
  color: #9CA3AF;
}

.footer ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #9CA3AF;
  font-size: 0.875rem;
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-socials a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

/* --- ANIMATIONS (Utility Classes for JS) --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 {
  transition-delay: 100ms;
}

.delay-200 {
  transition-delay: 200ms;
}

.delay-300 {
  transition-delay: 300ms;
}

.delay-400 {
  transition-delay: 400ms;
}

/* Internal Pages Features */
.page-header {
  background-color: var(--bg-neutral);
  padding: 8rem 0 4rem;
  text-align: center;
}

.page-header h1 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.placeholder-img {
  background: #E5E7EB;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  color: #6B7280;
  text-align: center;
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 2px dashed #9CA3AF;
}

.placeholder-img i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #9CA3AF;
}

.placeholder-img strong {
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.placeholder-img span {
  display: block;
  font-size: 0.875rem;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-white);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    /* Hide by default on mobile */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    color: var(--text-main);
  }

  .mobile-menu-btn {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .cta-section {
    margin: 2rem 1rem;
    padding: 3rem 1.5rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }
}

/* ==========================================================================
   LOGO SLIDER - PARTNERS & NETWORK (2026 PREMIUM)
   ========================================================================== */
.slider-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.slider-track-viewport {
  overflow: hidden;
  width: 100%;
}

.slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
  cursor: grab;
  user-select: none;
}

.slider-track:active {
  cursor: grabbing;
}

.slider-item {
  flex: 0 0 25%;
  /* 4 columns on desktop */
  padding: 0 1rem;
  box-sizing: border-box;
}

.partner-card {
  background: transparent;
  border: none;
  padding: 1rem;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: auto;
  transition: transform var(--transition-normal);
}

.partner-card:hover {
  transform: scale(1.05);
}

.partner-card:hover img {
  transform: scale(1.1);
}

.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
}

.partner-card img {
  height: 55px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: none;
  opacity: 1;
  transition: transform var(--transition-normal), filter var(--transition-normal);
  margin-bottom: 0.75rem;
  pointer-events: none;
}

.partner-card span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  transition: color var(--transition-normal);
  display: block;
}



.partner-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.partner-card:hover span {
  color: var(--primary);
}

/* Slider Controls */
.slider-btn {
  background: var(--bg-white);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: var(--text-main);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  z-index: 10;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.slider-btn:hover {
  background: var(--primary);
  color: var(--text-light);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.prev-btn {
  left: -10px;
}

.next-btn {
  right: -10px;
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #D1D5DB;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.slider-dot.active {
  background: var(--primary);
  width: 20px;
  border-radius: 10px;
}

/* Responsiveness */
@media (max-width: 992px) {
  .slider-item {
    flex: 0 0 33.333%;
  }

  /* 3 columns on tablet */
}

@media (max-width: 768px) {
  .slider-item {
    flex: 0 0 50%;
  }

  /* 2 columns on small screens */
  .slider-btn {
    display: none;
  }

  /* On mobile, hide arrows, prefer touch swipe */
  .slider-container {
    padding: 0;
  }
}

@media (max-width: 480px) {
  .slider-item {
    flex: 0 0 100%;
  }

  /* 1 column on mobile */
}