:root{
  --carbon: #EDEFEA;   /* testo principale */
  --white:  #0E1411;   /* background principale */
  --bone:   #111A16;   /* sezioni alternate */
  --ash:    #2A3A33;   /* divider/border */
  --fern:   #5AA432;   /* accento */
  --smoke:  #121B17;   /* superfici soft */

  --radius: 14px;
  --max: 1100px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  background: var(--white);
  color: var(--carbon);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: none; opacity: 0.9; }

.skip-link{
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--carbon);
  color: var(--white);
  padding: 10px 12px;
  border-radius: 10px;
}
.skip-link:focus{ left: 12px; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.site-header{
  position: sticky;
  top: 0;
  background: rgba(14,20,17,0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ash);
  z-index: 10;
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
}

.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-logo{
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}

.brand-name{
  display: inline-flex;
  gap: 4px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-kiwi{
  color: var(--fern);
}

.brand-labs{
  color: var(--carbon);
}

.nav{
  display: flex;
  gap: 14px;
  font-weight: 600;
}
.nav a{
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav a:hover{
  background: rgba(18,27,23,0.9);
  border: 1px solid var(--ash);
  text-decoration: none;
}

.hero{
  padding: 64px 0 40px;
}

.eyebrow{
  display: inline-block;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 6px 10px;
  border: 1px solid var(--ash);
  border-radius: 999px;
  background: rgba(18,27,23,0.9);
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lead{
  margin: 0;
  font-size: 1.15rem;
  max-width: 62ch;
}

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--ash);
  font-weight: 700;
  text-decoration: none;
}
.button:hover{ text-decoration: none; }

.button-primary{
  background: var(--fern);
  color: #FFFFFF;
  border-color: transparent;
}
.button-primary:hover{
  filter: brightness(0.95);
}

.button-ghost{
  background: transparent;
  border: 1px solid var(--ash);
}

.hero-meta{
  margin: 28px 0 0;
  padding: 16px;
  border: 1px solid var(--ash);
  border-radius: var(--radius);
  background: rgba(18,27,23,0.9);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.hero-meta dt{
  font-size: 0.85rem;
  opacity: 0.75;
  font-weight: 700;
}
.hero-meta dd{
  margin: 2px 0 0;
  font-weight: 700;
}

.section{
  padding: 56px 0;
}
.section-alt{
  background: var(--bone);
}

h2{
  margin: 0 0 10px;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}
h3{
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.text-muted{
  opacity: 0.75;
}

.grid{
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stack{
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.card{
  background: rgba(18,27,23,0.9);
  border: 1px solid var(--ash);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.card-row{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}
.card-row__main p{ margin: 0; }

.tag{
  font-weight: 800;
  font-size: 0.85rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--ash);
  background: rgba(14,20,17,0.85);
  white-space: nowrap;
}

.bullets{
  margin: 14px 0 0;
  padding-left: 18px;
}
.bullets li{ margin: 6px 0; }

.contact-box{
  margin-top: 14px;
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--ash);
  background: rgba(18,27,23,0.9);
}
.contact-mail{
  font-weight: 800;
  font-size: 1.05rem;
}

.site-footer{
  border-top: 1px solid var(--ash);
  padding: 22px 0;
}
.footer-inner{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.button:focus-visible,
.nav a:focus-visible,
.contact-mail:focus-visible{
  outline: 3px solid rgba(90,164,50,0.35);
  outline-offset: 2px;
}

@media (max-width: 820px){
  .hero-meta{ grid-template-columns: 1fr; }
  .grid{ grid-template-columns: 1fr; }
  .card-row{ flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px){
  .brand-name{
    display: none;
  }

  .nav{
    gap: 6px;
  }

  .nav a{
    padding: 6px 8px;
    font-size: 0.9rem;
    white-space: nowrap;
  }
}