:root {

    /* -----------------------------------------
     * PALETTE PRINCIPALE (ABYSSAL NEON THEME)
     * ----------------------------------------- */

    /* Fondi e Superfici */
    --bg: #04090b;           /* Nero con una punta di Ciano */
    --elev-1: #081014;       /* Appena più chiaro */
    --elev-2: #0c1a21;       /* Verde petrolio scurissimo (Card) */
    --elev-3: #142833;       /* Visibilmente petrolio (Hover) */

    /* Testi */
    --text: #ecfeff;         /* Ciano quasi bianco */
    --text-dim: #a5f3fc;     /* Ciano pallido */
    --text-muted: #5eead4;   /* Teal muto (usato come grigio) */
    --text-inverse: #04090b; /* Nero profondo per testi su brand */

    /* Colori Brand */
    --brand: #00e5ff;        /* Ciano Fluorescente */
    --brand-2: #22d3ee;      /* Ciano classico */
    --focus: #ccfbf1;        /* Teal chiarissimo */

    /* Bordi e Separatori */
    --stroke: #164e63;       /* Cyan 900 - Molto colorato */
    --stroke-2: #155e75;     /* Cyan 800 */

    /* Colori Semantici di Stato */
    --ok: #00ff9d;           /* Verde neon */
    --warn: #ffea00;         /* Giallo neon */
    --alert: #ff0055;        /* Rosa neon */
    --info: #22d3ee;         /* Ciano */

    /* Colori Aggiuntivi e Speciali (Adattati al Neon) */
    --gold: #ffd700;         /* Oro Puro */
    --silver: #94a3b8;       /* Argento Slate */
    --bronze: #d97706;       /* Bronzo scuro */
    --purple: #d946ef;       /* Fuchsia Neon */
    --orange: #f97316;       /* Arancio Neon */

    /* -----------------------------------------
     * VARIABILI DI TRASPARENZA E GLOW
     * ----------------------------------------- */
     
    /* Glow (Intensificati per il look Neon) */
    --brand-glow: rgba(0, 229, 255, 0.4);
    --gold-glow: rgba(255, 215, 0, 0.4);
    --silver-glow: rgba(148, 163, 184, 0.3);
    --bronze-glow: rgba(217, 119, 6, 0.3);
    --alert-glow: rgba(255, 0, 85, 0.4);

    /* Sfumature per Glassmorphism */
    --glass-bg: rgba(12, 26, 33, 0.7);
    --glass-border: rgba(22, 78, 99, 0.5);
    --glass-highlight: rgba(0, 229, 255, 0.05);
    --glass-bg-light: rgba(236, 254, 255, 0.05);
    --glass-border-strong: rgba(0, 229, 255, 0.3);

    /* Sfumature per Card e Background */
    --surface-cyan-bg: rgba(0, 229, 255, 0.05);
    --surface-cyan-border: rgba(0, 229, 255, 0.4);
    --surface-dark-bg: rgba(4, 9, 11, 0.8);
    --surface-dark-border: rgba(22, 78, 99, 0.6);
  
    /* Typography & rhythm */
    --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", system-ui, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    --size-1: clamp(0.8rem, 0.75rem + 0.25vw, 0.95rem);
    --size-2: clamp(0.98rem, 0.9rem + 0.35vw, 1.12rem);
    --size-3: clamp(1.16rem, 1.02rem + 0.6vw, 1.38rem);
    --size-4: clamp(1.44rem, 1.24rem + 0.9vw, 1.78rem);
    --size-5: clamp(1.82rem, 1.5rem + 1.4vw, 2.4rem);
    --size-6: clamp(2.3rem, 1.9rem + 2vw, 3.2rem);
    --size-7: clamp(3.1rem, 2.5rem + 3vw, 4.6rem);

    --radius-s: 10px;
    --radius-m: 16px;
    --radius-l: 24px;
    --radius-xl: 36px;

    --space-1: 6px;
    --space-2: 10px;
    --space-3: 16px;
    --space-4: 24px;
    --space-5: 36px;
    --space-6: 56px;
    --space-7: 88px;
    --space-8: 128px;

    /* Layered premium shadows (Neon tint) */
    --shadow-soft: 
      0 18px 60px rgba(0, 229, 255, 0.08), 
      0 6px 18px rgba(0, 0, 0, 0.3), 
      0 1px 0 rgba(236, 254, 255, 0.05) inset;
    --shadow-subtle: 
      0 10px 24px rgba(0, 0, 0, 0.4), 
      0 2px 6px rgba(0, 229, 255, 0.05), 
      inset 0 1px 0 rgba(236, 254, 255, 0.05);

    /* Motion */
    --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in: cubic-bezier(0.5, 0, 1, 0.5);
    --dur-1: 180ms;
    --dur-2: 320ms;
    --dur-3: 600ms;
    --dur-4: 1200ms;

    --ring: 0 0 0 2px rgba(0, 229, 255, 0.3), 0 0 0 6px rgba(0, 229, 255, 0.1);
}

@media (prefers-color-scheme: light) {
  :root {
    /* Backgrounds: Ice/Laboratory Aesthetic */
    --bg: #f0fdfa;           /* Cyan ghiaccio chiarissimo */
    --elev-1: #ffffff;       /* Bianco Puro */
    --elev-2: #ccfbf1;       /* Teal molto pallido */
    --elev-3: #99f6e4;       /* Teal chiaro per hover */

    /* Testi */
    --text: #042f2e;         /* Teal scurissimo (quasi nero) */
    --text-dim: #115e59;     /* Teal profondo */
    --text-muted: #64748b;   /* Slate */
    --text-inverse: #ffffff; /* Bianco */

    /* Brand: Adattato per sfondo chiaro (più scuro per contrasto) */
    --brand: #0891b2;        /* Cyan 600 - Leggibile su bianco */
    --brand-2: #06b6d4;      /* Cyan 500 - Vibrante */
    --focus: #ecfeff;        /* Highlight */

    /* Bordi */
    --stroke: #bdae93;       /* Slate 200 - Delicato */
    --stroke-2: #94a3b8;     /* Slate 400 - Più definito */

    /* Colori Semantici (Leggermente scuriti per visibilità) */
    --ok: #059669;           /* Emerald 600 */
    --warn: #d97706;         /* Amber 600 */
    --alert: #dc2626;        /* Red 600 */

    /* Shadows: Cool tinted shadows */
    --shadow-soft: 
      0 18px 60px rgba(8, 145, 178, 0.1),
      0 6px 18px rgba(8, 145, 178, 0.05),
      0 0 0 1px rgba(255,255,255,0.8) inset;

    --shadow-subtle:
      0 4px 6px -1px rgba(8, 145, 178, 0.05),
      0 2px 4px -1px rgba(8, 145, 178, 0.03),
      inset 0 1px 0 rgba(255,255,255,1);
      
    /* Updates for Glass vars in Light mode */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(8, 145, 178, 0.2);
  }
}

* { box-sizing: border-box; }
html, body {
  scroll-behavior: smooth;
  margin: 0;
  background:
    radial-gradient(1200px 800px at 70% -10%, color-mix(in srgb, var(--brand) 6%, transparent), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: hidden;
}


a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  width: min(1200px, 92vw);
  margin: 0 auto;
}



/* Headline */
.headline {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.headline h1, .headline h2 {
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 700;
}
.headline p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--size-3);
  max-width: 60ch;
}



.magnetic {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-2) var(--ease);
  will-change: transform;
}
.magnetic:hover {
  transform: translateY(-1px);
}
header.hero {
  transform: translateZ(0);
  backface-visibility: hidden;
  position: sticky;
  top: 0;
  z-index: 40;
  padding: calc(env(safe-area-inset-top) + var(--space-7)) 0 var(--space-7);
  overflow: hidden;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--elev-1) 88%, transparent), transparent 60%),
    var(--bg);
  backdrop-filter: saturate(120%) blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--stroke) 70%, transparent);
  contain: layout paint;
}
header.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  pointer-events: none;
}

/* --- PREMIUM ORBITAL SYSTEM --- */


/* --- PREMIUM ORBITAL SYSTEM (Refactored) --- */

/* .orbital-system {
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  
  animation: orbitalFadeIn 2.5s var(--ease-out) forwards;
}

.orbital-atmosphere {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(
    circle at 50% 50%, 
    color-mix(in srgb, var(--brand) 15%, transparent) 0%, 
    color-mix(in srgb, var(--brand-2) 5%, transparent) 40%, 
    transparent 70%
  );
  filter: blur(60px);
  opacity: 0.6;
  will-change: transform, opacity;
}

.orbital-ring {
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  
  background: conic-gradient(
    from 0deg, 
    transparent 0%, 
    transparent 40%, 
    color-mix(in srgb, var(--brand) 20%, transparent) 80%, 
    var(--brand) 100%
  );
  
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), black calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), black calc(100% - 1px));
  
  animation: orbitSpin 30s linear infinite;
  opacity: 0.7;
  will-change: transform;
}

.orbital-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 300px; height: 300px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  
  background: radial-gradient(
    circle at 30% 30%, 
    rgba(255, 255, 255, 0.1) 0%, 
    color-mix(in srgb, var(--brand) 20%, transparent) 20%, 
    transparent 70%
  );
  
  border: 1px solid color-mix(in srgb, var(--brand) 10%, transparent);
  box-shadow: inset 0 0 40px color-mix(in srgb, var(--brand) 5%, transparent);
  
  animation: planetFloat 12s ease-in-out infinite alternate;
  will-change: transform;
}


@keyframes orbitalFadeIn {
  from { opacity: 0; transform: translate(-50%, -45%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes planetFloat {
  0% { transform: translate(-50%, -50%) scale(0.95); opacity: 0.8; }
  100% { transform: translate(-50%, -52%) scale(1.05); opacity: 1; }
}

@media (max-width: 768px) {
  .orbital-system {
    width: 100vw; height: 100vw;
    top: 30%; 
  }
  .orbital-ring {
    animation-duration: 45s; 
  }
} */





@keyframes float {
  0%,100% { transform: translate(-50%, -52%); }
  50% { transform: translate(-50%, -48%); }
}
@keyframes orbit {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}
.hero .title {
  font-size: var(--size-7);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
}
.hero .subtitle {
  font-size: var(--size-3);
  color: var(--text-muted);
  margin: 0 0 var(--space-5);
  max-width: 60ch;
}
.hero .actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-m);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, color-mix(in srgb, var(--elev-2) 60%, transparent), var(--elev-1));
  box-shadow: var(--shadow-subtle);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.2px;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease);
  will-change: transform, box-shadow;
}
.btn::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 10px;
  height: 2px;
  border-radius: 2px;
  background: color-mix(in srgb, var(--brand) 50%, transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-2) var(--ease-out);
  opacity: 0.85;
}
.btn:hover::after { transform: scaleX(1); }
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: color-mix(in srgb, var(--brand) 35%, var(--stroke));
}
.btn:active {
  transform: translateY(0) scale(0.985);
  transition-duration: 120ms;
}
.btn.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 16%, var(--elev-2)), var(--elev-1));
  border-color: color-mix(in srgb, var(--brand) 40%, var(--stroke));
}

.btn[data-ripple="true"] {
  overflow: hidden;
  isolation: isolate;
}
.btn[data-ripple="true"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(220px 220px at var(--rx, 50%) var(--ry, 50%), color-mix(in srgb, var(--brand) 14%, transparent), transparent 60%);
  opacity: var(--ro, 0);
  transition: opacity var(--dur-3) var(--ease-out);
  pointer-events: none;
  mix-blend-mode: screen;
}

section {
  padding: var(--space-7) 0;
  position: relative;
}
.panel {
  background: linear-gradient(180deg, color-mix(in srgb, var(--elev-2) 65%, transparent), var(--elev-1));
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
  padding: clamp(18px, 4vw, 42px);
  backdrop-filter: blur(6px) saturate(110%);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.pillar {
  padding: 22px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, color-mix(in srgb, var(--elev-2) 50%, transparent), var(--elev-1));
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.pillar:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand) 30%, var(--stroke));
  box-shadow: var(--shadow-soft);
}
.pillar h4 {
  margin: 0 0 6px;
  font-size: var(--size-3);
}
.pillar p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--size-2);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.stack {
  display: grid;
  gap: var(--space-3);
}
.card {
  padding: 20px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-l);
  background: linear-gradient(180deg, color-mix(in srgb, var(--elev-2) 55%, transparent), var(--elev-1));
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--brand) 25%, var(--stroke));
  box-shadow: var(--shadow-soft);
}
.card h4 {
  margin: 0 0 8px;
  font-size: var(--size-3);
}
.card ul {
  margin: 0;
  padding-left: 16px;
  color: var(--text-muted);
  font-size: var(--size-2);
  line-height: 1.6;
}

.list {
  display: grid; gap: 10px;
  color: var(--text-muted);
  font-size: var(--size-2);
}

.chips {
  display: flex; flex-wrap: wrap; gap: 10px;
}

.impact {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3);
}

footer {
  padding: var(--space-6) 0 var(--space-7);
  color: var(--text-muted);
  font-size: var(--size-1);
  border-top: 1px solid var(--stroke);
  margin-top: var(--space-7);
}

.cursor-glow {
  position: fixed;
  pointer-events: none;
  z-index: 5;
  inset: -20vh -20vw -20vh -20vw;
  background: radial-gradient(220px 220px at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--brand) 10%, transparent), transparent 60%);
  opacity: 0.28;
  transition: opacity var(--dur-3) var(--ease);
  will-change: transform, background;
  mix-blend-mode: screen;
}

@media (max-width: 1024px) {
  .hero-grid,
  .hardware,
  .diagram,
  .grid-2,
  .cards-4,
  .specs,
  .impact,
  .team-grid {
    grid-template-columns: 1fr;
  }
  .pillars {
    grid-template-columns: 1fr 1fr;
  }
  
}

@media (max-width: 640px) {
  .pillars {
    grid-template-columns: 1fr;
  }
  .hero .title {
    font-size: var(--size-7);
  }
  header.hero {
    padding-bottom: var(--space-6);
    backdrop-filter: saturate(120%) blur(12px);
  }
  .btn { padding: 13px 16px; }
  .chip { padding: 7px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html, body { scroll-behavior: auto; }
  .cursor-glow { display: none; }
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 12px;
}