/* ============================= */
/* Reset e base generale */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9faff;
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* ============================= */
/* Header e Navbar */
header {
  background-color: #0077cc;
  padding: 15px 20px;
  width: 100%;
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 8px 15px;
  border-radius: 5px;
  transition: background 0.3s, color 0.3s;
  display: block;
}

nav a:hover, nav a:focus {
  background-color: #005fa3;
  color: #fff;
}

/* ============================= */
/* Main content */
main {
  max-width: 900px;
  width: 100%;
  margin: 40px auto;
  padding: 0 20px;
  flex: 1;
}

/* Titoli principali */
h1, h2 {
  color: #0077cc;
  margin-bottom: 20px;
}

h2 {
  margin-top: 30px;
}

/* Testo sopra calcolatore */
main section p {
  margin-bottom: 25px;
  font-size: 1.05rem;
}

/* ============================= */
/* Form calcolatori */
form {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 25px;
  align-items: flex-end;
  background-color: #eef2f7;
  padding: 25px;
  border-radius: 10px;
  border-left: 5px solid #0077cc;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

form label {
  flex: 1 1 100%;
  font-weight: 600;
  margin-bottom: 5px;
}

form input {
  padding: 12px;
  flex: 1 1 200px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
  min-width: 0;
}

form input:focus {
  outline: 2px solid #0077cc;
  outline-offset: 2px;
}

form button {
  padding: 12px 25px;
  border: none;
  background-color: #0077cc;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  border-radius: 5px;
  transition: background 0.3s, transform 0.2s;
  font-size: 1rem;
  white-space: nowrap;
}

form button:hover {
  background-color: #005fa3;
  transform: translateY(-1px);
}

form button:active {
  transform: translateY(0);
}

/* ============================= */
/* Risultato calcolatore */
#risultato {
  margin-top: 20px;
  padding: 22px;
  background-color: #f4f4f9;
  border-left: 5px solid #00a86b;
  border-radius: 10px;
  transition: opacity 0.5s ease;
  font-size: 1rem;
  word-wrap: break-word;
}

/* ============================= */
/* Sezioni dettagli e consigli */
.dettagli {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.dettagli h2 {
  margin-top: 0;
}

.dettagli p, .dettagli ul {
  background-color: #fff;
  padding: 18px;
  border-radius: 10px;
  border-left: 5px solid #00a86b;
  box-shadow: 0 3px 8px rgba(0,0,0,0.05);
}

.dettagli ul {
  padding-left: 35px;
}

.dettagli ul li {
  margin-bottom: 8px;
}

.dettagli ul li strong {
  color: #0077cc;
}

.no-dots {
  padding-left: 0 !important;
}

.no-dots li {
  list-style: none;
}

/* ============================= */
/* Link correlati come tasti */
section ul li a {
  display: inline-block;
  margin: 8px 5px;
  padding: 12px 25px;
  background-color: #00a86b;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s, transform 0.2s;
}

section ul li a:hover, section ul li a:focus {
  background-color: #007749;
  transform: translateY(-2px);
}

section ul li a:active {
  transform: translateY(0);
}

/* ============================= */
/* Footer */
footer {
  text-align: center;
  padding: 25px 15px;
  background-color: #0077cc;
  color: #fff;
  margin-top: 50px;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  width: 100%;
}

#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #0077cc 0%, #005fa3 100%);
  color: #fff;
  padding: 20px;
  box-shadow: 0 -3px 15px rgba(0,0,0,0.3);
  z-index: 9999;
  display: none;
  animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

#cookie-banner.show {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 250px;
}

.cookie-text h3 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
}

.cookie-text p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.cookie-text a {
  color: #fff;
  text-decoration: underline;
  font-weight: 600;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.3s;
  white-space: nowrap;
}

.cookie-btn-accept {
  background-color: #00a86b;
  color: #fff;
}

.cookie-btn-accept:hover {
  background-color: #007749;
  transform: translateY(-2px);
}

.cookie-btn-reject {
  background-color: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.cookie-btn-reject:hover {
  background-color: rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  #cookie-banner {
    padding: 15px;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    width: 100%;
    justify-content: center;
  }
  
  .cookie-btn {
    flex: 1;
    min-width: 120px;
  }
}

/* ============================= */
/* Responsive - Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  main {
    max-width: 750px;
    margin: 30px auto;
  }
  
  form {
    padding: 20px;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
}

/* ============================= */
/* Responsive - Tablet piccoli e smartphone landscape (481px - 768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 0;
  }
  
  header {
    padding: 12px 15px;
  }
  
  nav ul {
    gap: 10px;
  }
  
  nav a {
    padding: 10px 12px;
    font-size: 0.95rem;
  }
  
  main {
    margin: 25px auto;
    padding: 0 15px;
  }
  
  h1 {
    font-size: 1.6rem;
    margin-bottom: 15px;
  }
  
  h2 {
    font-size: 1.3rem;
    margin-top: 25px;
  }
  
  main section p {
    font-size: 1rem;
    margin-bottom: 20px;
  }
  
  form {
    flex-direction: column;
    padding: 20px 15px;
    gap: 15px;
  }
  
  form input {
    flex: 1 1 100%;
    padding: 14px;
    font-size: 1rem;
  }
  
  form button {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
  }
  
  #risultato {
    padding: 18px;
    font-size: 0.95rem;
  }
  
  .dettagli p, .dettagli ul {
    padding: 15px;
    font-size: 0.95rem;
  }
  
  section ul li a {
    display: block;
    text-align: center;
    margin: 10px 0;
    padding: 14px 20px;
  }
  
  footer {
    padding: 20px 15px;
    margin-top: 40px;
    font-size: 0.95rem;
  }
}

/* ============================= */
/* Responsive - Smartphone (320px - 480px) */
@media (max-width: 480px) {
  header {
    padding: 10px;
  }
  
  nav ul {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }
  
  nav a {
    text-align: center;
    padding: 12px 10px;
    font-size: 0.9rem;
  }
  
  main {
    margin: 20px auto;
    padding: 0 12px;
  }
  
  h1 {
    font-size: 1.4rem;
    margin-bottom: 12px;
  }
  
  h2 {
    font-size: 1.2rem;
    margin-top: 20px;
    margin-bottom: 15px;
  }
  
  main section p {
    font-size: 0.95rem;
    margin-bottom: 18px;
  }
  
  form {
    padding: 15px 12px;
    gap: 12px;
    border-left-width: 3px;
  }
  
  form label {
    font-size: 0.95rem;
  }
  
  form input {
    padding: 12px 10px;
    font-size: 0.95rem;
  }
  
  form button {
    padding: 12px 15px;
    font-size: 0.95rem;
  }
  
  #risultato {
    padding: 15px;
    font-size: 0.9rem;
    border-left-width: 3px;
  }
  
  .dettagli {
    gap: 15px;
    margin-top: 25px;
  }
  
  .dettagli p, .dettagli ul {
    padding: 12px;
    font-size: 0.9rem;
    border-left-width: 3px;
  }
  
  .dettagli ul {
    padding-left: 28px;
  }
  
  .dettagli ul li {
    margin-bottom: 6px;
  }
  
  section ul li a {
    margin: 8px 0;
    padding: 12px 15px;
    font-size: 0.9rem;
  }
  
  footer {
    padding: 18px 12px;
    margin-top: 30px;
    font-size: 0.9rem;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
  }
}

/* ============================= */
/* Responsive - Schermi molto piccoli (< 320px) */
@media (max-width: 320px) {
  h1 {
    font-size: 1.3rem;
  }
  
  h2 {
    font-size: 1.1rem;
  }
  
  main section p {
    font-size: 0.9rem;
  }
  
  form {
    padding: 12px 10px;
  }
  
  form input,
  form button {
    font-size: 0.9rem;
    padding: 10px;
  }
  
  #risultato,
  .dettagli p,
  .dettagli ul {
    font-size: 0.85rem;
    padding: 12px 10px;
  }
  
  section ul li a {
    font-size: 0.85rem;
    padding: 10px 12px;
  }
}

/* ============================= */
/* Responsive - Schermi grandi (> 1200px) */
@media (min-width: 1200px) {
  main {
    max-width: 1000px;
  }
  
  form {
    padding: 30px;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
}

/* ============================= */
/* Accessibilità e miglioramenti */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visibile per tastiera */
*:focus-visible {
  outline: 3px solid #0077cc;
  outline-offset: 2px;
}