/* =====================================================
   ARBOCHARTA – Global Styles & Design Tokens
   ===================================================== */

:root {
  /* Colors */
  --color-primary: #7ca167;
  --color-primary-dark: #5e824e;
  --color-primary-light: #9dbe88;
  --color-primary-xlight: #e8f2e3;
  --color-primary-alpha: rgba(124, 161, 103, 0.12);
  --color-white: #ffffff;
  --color-off-white: #f7f9f5;
  --color-ink: #1a2217;
  --color-ink-muted: #4a5c43;
  --color-ink-faint: #8a9e82;
  --color-border: rgba(124, 161, 103, 0.18);
  --color-shadow: rgba(26, 34, 23, 0.08);

  /* Typography */
  --font-display: Avenir, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial;
  --font-body: Avenir, -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(26, 34, 23, 0.07), 0 1px 4px rgba(26, 34, 23, 0.04);
  --shadow-hover: 0 12px 40px rgba(26, 34, 23, 0.13), 0 2px 8px rgba(26, 34, 23, 0.06);
  --shadow-cta: 0 8px 32px rgba(124, 161, 103, 0.35);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-med: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Topbar */
  --topbar-height: 72px;
  --slide-padding-top: calc(var(--topbar-height) + 28px);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-family: var(--font-body);
  background: var(--color-white);
  color: var(--color-ink);
  line-height: 1.6;
  overflow: hidden;
  height: 100dvh;
  width: 100vw;
}

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

button, input, textarea {
  font: inherit;
}

a {
  font: inherit;
}

.logo-icon img {
  width: 100%;
  object-fit: cover;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

input, textarea {
  font-family: var(--font-body);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Utility ---- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-off-white);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: 3px;
}

/* =====================================================
   SLIDER / CARD LAYOUT
   ===================================================== */
.slider-wrapper {
  position: relative;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
}

.slides-track {
  display: flex;
  height: 100%;
  transition: transform 0.62s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
}

.slide {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) transparent;
}

/* =====================================================
   NAVIGATION ARROWS
   ===================================================== */
.nav-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  transition: all var(--transition-fast);
  opacity: 0.92;
}

.nav-arrow:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-cta);
  opacity: 1;
  transform: translateY(-50%) scale(1.06);
}

.nav-arrow:disabled {
  opacity: 0.25;
  pointer-events: none;
}

.nav-arrow.prev { left: 20px; }
.nav-arrow.next { right: 20px; }

/* =====================================================
   PROGRESS DOTS
   ===================================================== */
.progress-dots {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  gap: 8px;
  align-items: center;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(10px);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-ink-faint);
  transition: all var(--transition-fast);
  border: none;
  padding: 0;
  cursor: pointer;
}

.dot.active {
  background: var(--color-primary);
  width: 22px;
  border-radius: 4px;
}

.dot:hover:not(.active) {
  background: var(--color-primary-light);
}

/* =====================================================
   SECTION LABEL
   ===================================================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  border-left: 2px solid var(--color-primary);
  padding-left: 12px;
  line-height: 1;
  margin-bottom: var(--space-md);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-cta);
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 12px 40px rgba(124, 161, 103, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}

.btn-outline:hover {
  background: var(--color-primary-alpha);
  transform: translateY(-2px);
}


/* =====================================================
   TOPBAR / LOGO
   ===================================================== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  transition: all var(--transition-med);
}

.topbar.scrolled,
.topbar.dark-bg {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text-white .logo-icon img {
  filter: brightness(0) invert(1);
}

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

.logo-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.topbar-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* =====================================================
   SLIDE CONTENTS
   ===================================================== */
/* --- HERO --- */
.slide-home {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--slide-padding-top) 80px 80px;
  position: relative;
  background: linear-gradient(160deg, #f0f6ec 0%, #ffffff 100%);
  overflow: hidden;
}

.home-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(124, 161, 103, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(94, 130, 78, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.home-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(124, 161, 103, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 161, 103, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.home-placeholder-img {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 48%;
  background: linear-gradient(135deg, #c5d9ba 0%, #a8c499 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.home-placeholder-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #f0f6ec, transparent 30%);
  z-index: 1;
}

.home-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.home-content {
  position: relative;
  z-index: 10;
  max-width: calc(52vw - 80px);
}

.home-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: var(--color-primary-alpha);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.home-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, calc((100vw - 160px) / 18), 7rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 20px;
}

.home-title span {
  color: var(--color-primary);
}

.home-subtitle {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--color-ink-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 460px;
}

.home-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.home-stats {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.home-stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1;
}

.home-stat-label {
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin-top: 4px;
  font-weight: 400;
}

/* --- PROBLEMA --- */
.slide-contesto {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: var(--slide-padding-top) 80px 80px;
}





/* --- SOLUZIONE --- */
.slide-piattaforma {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: var(--slide-padding-top) 80px 80px;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, calc((100vw - 160px) / 18), 7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-headline span { color: var(--color-primary); }

.section-lead {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 40px;
  font-weight: 300;
}

.piattaforma-header {
  margin-bottom: 8px;
}

.piattaforma-header .section-lead {
  margin-bottom: 0;
}

.feature-mag-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 16px;
}

.feature-mag-item {
  display: grid;
  grid-template-columns: 32px 28px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 24px 18px 0;
  border-top: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.feature-mag-item:nth-child(even) {
  padding-left: 24px;
  padding-right: 0;
  border-left: 1px solid var(--color-border);
}

.feature-mag-item:last-child,
.feature-mag-item:nth-last-child(2):nth-child(odd) {
  border-bottom: 1px solid var(--color-border);
}

.feature-mag-item:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  max-width: 50%;
}

.feature-mag-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  padding-top: 2px;
  line-height: 1;
}

.feature-mag-icon {
  color: var(--color-primary-dark);
  display: flex;
  align-items: flex-start;
  padding-top: 1px;
}

.feature-mag-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 4px;
  line-height: 1.2;
}

.feature-mag-text {
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  line-height: 1.55;
}



/* --- CONTATTI --- */
.slide-contatti {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: var(--slide-padding-top) 80px 80px;
}

/* Shared hero background (gradient + pattern + grid) on all content slides */
.slide-contesto,
.slide-piattaforma,
.slide-contatti {
  position: relative;
  background-color: #ffffff;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(124, 161, 103, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(94, 130, 78, 0.08) 0%, transparent 40%),
    linear-gradient(rgba(124, 161, 103, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 161, 103, 0.08) 1px, transparent 1px),
    linear-gradient(160deg, #f0f6ec 0%, #ffffff 100%);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
}

/* Keep slide content above the background layers */
.slide-contesto > *,
.slide-piattaforma > *,
.slide-contatti > * {
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
  margin-top: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-alpha);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 3px;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--color-ink);
  font-weight: 400;
}

.contact-form {
  background: white;
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-ink);
  background: var(--color-off-white);
  transition: all var(--transition-fast);
  resize: vertical;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px var(--color-primary-alpha);
}

.form-group textarea {
  min-height: 110px;
  font-family: var(--font-body);
}

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

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px;
  text-align: center;
}

.form-success-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-alpha);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-dark);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  :root {
    --slide-padding-top: calc(var(--topbar-height) + 18px);
  }

  .home-content {
    max-width: calc(52vw - 40px);
  }

  .home-title,
  .section-headline {
    font-size: clamp(2rem, calc((100vw - 80px) / 18), 7rem);
  }

  .slide-home,
  .slide-contesto,
  .slide-piattaforma,
  .slide-contatti {
    padding: var(--slide-padding-top) 40px 70px;
  }

  .feature-mag-grid { grid-template-columns: 1fr; }
  .feature-mag-item:nth-child(even) { padding-left: 0; border-left: none; }
  .feature-mag-item:nth-last-child(2):nth-child(odd) { border-bottom: none; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --topbar-height: 64px;
    --slide-padding-top: calc(var(--topbar-height) + 16px);
  }

  .slide-home,
  .slide-contesto,
  .slide-piattaforma,
  .slide-contatti {
    padding: var(--slide-padding-top) 24px 80px;
  }

  .topbar { padding: 14px 24px; }
  .topbar.scrolled { padding: 12px 24px; }

  .topbar-cta .btn-primary {
    padding: 6px 12px;
  }

  .home-placeholder-img { display: none; }

  .slide-home {
    justify-content: flex-start;
    overflow-y: auto;
  }

  .home-stats {
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    margin-top: 40px;
    padding: 28px 20px;
    border-top: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-image:
      linear-gradient(180deg, rgba(26, 34, 23, 0.35), rgba(26, 34, 23, 0.35)),
      url('/home_img_horizontal.webp');
    background-size: cover;
    background-position: center;
  }

  .home-stats .home-stat-num, .home-stats .home-stat-label{ color: #fff; }

  .home-content {
    max-width: 100%;
  }

  .home-title,
  .section-headline {
    font-size: clamp(1.8rem, calc((100vw - 48px) / 18), 7rem);
  }

  .feature-mag-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-arrow { width: 38px; height: 38px; }
  .nav-arrow.prev { left: 10px; }
  .nav-arrow.next { right: 10px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 20px; }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.15; }
  100% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
}

.animate-in {
  animation: fadeInUp 0.5s ease both;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }