/* ==========================================================================
   DESIGN TOKENS - STEENDLE BRAND PALETTE
   ========================================================================== */
:root {
  --color-bg: #F1F8E9;             /* BackgroundLightGreen */
  --color-surface: #FFFFFF;        /* Superficie card */
  --color-surface-hover: #FAFCF7;  
  --color-border: #DCE7D4;         /* Bordo in tinta */
  
  --color-primary: #00796B;        /* BrandPrimaryTeal */
  --color-primary-hover: #004D40;  
  --color-primary-soft: rgba(0, 121, 107, 0.08);
  
  --color-text-main: #132E27;      /* Ardesia scurissimo */
  --color-text-muted: #526B64;     /* Verde-grigio morbido */
  
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-brand: clamp(3rem, 8vw, 4.5rem);
  --font-size-slogan: clamp(1.5rem, 4vw, 2.2rem);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-content-width: 960px;
}

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

body {
  font-family: var(--font-family-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* ==========================================================================
   HEADER & NAVIGATION BAR
   ========================================================================== */
.site-header {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between; /* Hamburger a sinistra, lingua a destra */
  align-items: center;
  background: transparent;
  position: relative;
  z-index: 100;
}

/* Tasto Hamburger */
.menu-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(19, 46, 39, 0.05);
  transition: all 0.2s ease;
}

.menu-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
}

.menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 0.25s ease;
}

/* Tasto Lingua a destra */
.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-decoration: none;
  box-shadow: 0 1px 4px rgba(19, 46, 39, 0.05);
  transition: all 0.2s ease;
}

.lang-switch:hover {
  border-color: var(--color-primary);
  background-color: var(--color-surface-hover);
}

/* Menu Dropdown / Drawer a scomparsa */
.nav-drawer {
  position: absolute;
  top: 4.5rem;
  left: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 30px rgba(19, 46, 39, 0.1);
  padding: 0.75rem;
  display: none;
  flex-direction: column;
  min-width: 170px;
  z-index: 101;
}

.nav-drawer.open {
  display: flex;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-drawer a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1rem;
  text-decoration: none;
  color: var(--color-text-main);
  font-weight: 600;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-drawer a:hover,
.nav-drawer a.active {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

/* Overlay per chiudere il menu toccando fuori */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 99;
}
.drawer-backdrop.open {
  display: block;
}

/* ==========================================================================
   LAYOUT PRINCIPALE & HERO
   ========================================================================== */
.main-container {
  flex: 1;
  max-width: var(--max-content-width);
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
  border: 1px solid rgba(0, 121, 107, 0.25);
  border-radius: 9999px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

h1.hero-brand {
  font-size: var(--font-size-brand);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

h1.hero-brand span {
  color: var(--color-text-main);
}

h2.hero-slogan {
  font-size: var(--font-size-slogan);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--color-text-main);
  margin-bottom: 1.25rem;
  max-width: 700px;
}

p.lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-hover);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  width: 100%;
  text-align: left;
  margin-top: 1rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 4px 20px rgba(19, 46, 39, 0.03);
}

.card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text-main);
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  line-height: 1.55;
}

/* ==========================================================================
   DOWNLOAD / COMING SOON PAGE STYLES
   ========================================================================== */
.cone-icon-wrapper {
  margin: 1.5rem 0 2rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  animation: floatCone 3s ease-in-out infinite;
}

@keyframes floatCone {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.cone-svg {
  width: 110px;
  height: 110px;
  filter: drop-shadow(0 10px 15px rgba(0, 121, 107, 0.15));
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg);
}