/* Importiamo Inter per la massima leggibilità */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- STILI BASE (DARK) --- */
body, h1, h2, p, ul, li { margin: 0; padding: 0; }
body { 
    font-family: 'Inter', system-ui, -apple-system, sans-serif; 
    background-color: #0c1221; /* Fondo quasi nero, molto profondo */
    color: #f1f5f9; /* Testo chiaro ghiaccio */
    padding-top: 100px; 
    -webkit-font-smoothing: antialiased; /* Rende il font più nitido su Mac */
}

footer {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-between;
  font-size: 0.85em;
  position: absolute;
  padding-top: 1rem;
  z-index: 1050;
  width: 100%;
  margin-top: 3rem;
  background: var(--color-bg-footer);
  box-shadow: inset 0 2px 5px 0 rgba(0, 0, 0, 0.16),
    inset 0 2px 10px 0 rgba(0, 0, 0, 0.12);
}
footer {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  justify-content: space-between;
  font-size: 0.85em;
  position: absolute;
  padding-top: 1rem;
  z-index: 1050;
  width: 100%;
  margin-top: 3rem;
  background: var(--color-bg-footer);
  box-shadow: inset 0 2px 5px 0 rgba(0, 0, 0, 0.16),
    inset 0 2px 10px 0 rgba(0, 0, 0, 0.12);
}
footer .copyright {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  width: 100%;
  margin-top: 2rem;
  padding: 1.5rem 2em;
  text-align: right;
  border-top: 1px solid #ffffff10;
}

/* --- NAVBAR (EFFETTO VETRO SCURO) --- */
.navbar {
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(12px); /* Effetto vetro sfocato */
    position: fixed;
    top: 0;
    width: 100%;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    box-sizing: border-box;
    z-index: 1000;
    border-bottom: 1px solid #1e293b;
}

.nav-brand { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 800; color: #f1f5f9; text-decoration: none; letter-spacing: -0.5px;}
.nav-brand span { font-size: 28px; color: #0688d4; /* Accento Ciano Ghiaccio */ }

.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { color: #94a3b8; text-decoration: none; font-weight: 500; font-size: 15px; transition: 0.2s;}
.nav-links a:hover, .nav-links a.active { color: #06b6d4; font-weight: 600; }

/* --- CONTENITORE CENTRALE --- */
.container { max-width: 1100px; margin: 0 auto 60px auto; padding: 20px; text-align: center; }
h1 { font-size: 48px; color: #f1f5f9; margin-bottom: 15px; font-weight: 900; letter-spacing: -1.5px; }
p.descrizione { font-size: 18px; color: #94a3b8; line-height: 1.6; margin-bottom: 50px; max-width: 700px; margin-left: auto; margin-right: auto;}

/* --- SCATOLA PRINCIPALE (MODERN DARK) --- */
.crypto-box { 
    background-color: #111827; /* Slate dark */
    margin: 0 auto; 
    padding: 50px; 
    border-radius: 28px; 
    border: 1px solid #1e293b;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); 
    text-align: left;
}

label { font-weight: 600; color: #94a3b8; font-size: 14px; margin-bottom: 10px; display: block; text-transform: uppercase; letter-spacing: 1px; }

/* Input, Select, Textarea (Modern Dark) */
textarea, select { 
    width: 100%; 
    padding: 18px; 
    border-radius: 14px; 
    border: 1px solid #1e293b; 
    background-color: #1f2937; /* Input leggermente più chiaro */
    color: #f1f5f9;
    font-family: 'Inter', system-ui, -apple-system, sans-serif; 
    font-size: 16px;
    box-sizing: border-box; 
    transition: all 0.3s ease;
    margin-bottom: 25px;
    line-height: 1.6;
}
textarea:focus, select:focus { outline: none; border-color: #06b6d4; background-color: #111827; box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15); }
textarea { height: 180px; resize: none; }
textarea::placeholder { color: #4b5563; }

/* --- DEFINIZIONE ANIMAZIONE PULSANTE --- */
@keyframes glitchPulse {
    0% { border-color: #1e293b; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
    50% { border-color: #06b6d4; box-shadow: 0 0 15px 2px rgba(6, 182, 212, 0.3); }
    100% { border-color: #1e293b; box-shadow: 0 0 0 0 rgba(6, 182, 212, 0); }
}

/* Applichiamo l'animazione alla casella di input principale */
.pulse-textarea {
    animation: glitchPulse 2.5s infinite ease-in-out; /* Pulsazione lenta e continua */
}
.pulse-textarea:focus {
    animation: none; /* Smette di pulsare quando ci scrivi dentro */
}

/* --- LAYOUT A COLONNE --- */
.crypto-columns {
    display: flex;
    gap: 35px;
}

.crypto-col {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* --- BOTTONI--- */
button { 
    background: linear-gradient(135deg, #0891b2, #06b6d4); /* Ciano Gradient */
    color: #0b0f19; 
    border: none; 
    padding: 18px 25px; 
    font-size: 16px; 
    border-radius: 14px; 
    cursor: pointer; 
    transition: all 0.3s ease; 
    font-weight: 700; 
    width: 100%; 
    text-transform: uppercase;
    letter-spacing: 1px;
}
button:hover { transform: translateY(-3px); box-shadow: 0 12px 25px rgba(6, 182, 212, 0.3); }
button:active { transform: translateY(-1px); }

/* Bottone Decifra (Verde Neon) */
.btn-green { background: linear-gradient(135deg, #059669, #10b981); color: #0b0f19;}
.btn-green:hover { box-shadow: 0 12px 25px rgba(16, 185, 129, 0.3); }

/* Responsive */
@media (max-width: 800px) {
    .crypto-columns { flex-direction: column; gap: 0; }
}