/* =========================
   VARIABILI GLOBALI
========================= */
:root{
  --c-primary: #0096c7;
  --c-accent: #00d1b2;
  --c-accent-2: #00b4d8;
  --bg: #f9fafb;
  --text: #1a1a1a;
  --muted: #111111;
  --card-shadow: 0 6px 20px rgba(0,0,0,0.08);
  --glass: rgba(255,255,255,0.95);
  --radius-lg: 16px;
}


/* =========================
   RESET + FONT
========================= */
*{margin:0;padding:0;box-sizing:border-box}

html{
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  font-size:16px;
}

body{
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}


/* =========================
   FONT LOCALI
========================= */
@font-face {
  font-family: 'Inter';
  src: url('/static/fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/static/fonts/Inter-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}


/* =========================
   UTILITY
========================= */
.container{
  width:90%;
  max-width:1200px;
  margin:0 auto;
  padding:clamp(16px,3vw,48px) 0;
}

a{
  color:inherit;
  text-decoration:none;
  transition:all .25s;
}


/* =========================
   ANIMAZIONI (SAFE)
========================= */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

.fade-up{
  opacity:1;
  transform:none;
  animation:fadeUp .8s forwards;
}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:none}
}


/* =========================
   NAVBAR
========================= */
nav{
  position:fixed;
  top:0; left:0;
  width:100%;
  background:var(--glass);
  backdrop-filter:blur(8px);
  box-shadow:0 2px 8px rgba(0,0,0,0.05);
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:0.75rem 5%;
  z-index:1000;
  gap:1rem;
}

nav .logo{font-weight:700;font-size:1.125rem;color:var(--c-primary)}

.nav-toggle{
  display:none;
  background:none;
  border:none;
  font-size:1.8rem;
  cursor:pointer;
  color:var(--c-primary);
}

.nav-menu{
  display:flex;
  gap:1rem;
  align-items:center;
}

.nav .btn-login{
  border:2px solid var(--c-primary);
  color:var(--c-primary);
  padding:.45rem .9rem;
  border-radius:999px;
  font-weight:600;
  font-size:.9rem;
}

.nav .btn-login:hover{
  background:var(--c-primary);
  color:#fff;
  transform:translateY(-2px);
}

.nav .btn-register{
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  color:#fff;
  padding:.45rem .9rem;
  border-radius:999px;
  font-weight:600;
  box-shadow:0 4px 12px rgba(0,0,0,.15);
}

.nav .btn-register:hover{transform:translateY(-2px)}


/* =========================
   HERO
========================= */
header{
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent-2));
  color:#fff;
  text-align:center;
  padding:clamp(3rem,8vw,6rem) 1rem;
  padding-top:80px;
  margin-top:60px;
}

header h1{
  font-size:clamp(2.2rem,6vw,5.5rem);
  line-height:1;
  margin-bottom:.25rem;
}

header h2{
  font-size:clamp(1.1rem,2.2vw,2rem);
  margin-bottom:.6rem;
}

header p{
  font-size:clamp(.95rem,1.6vw,1.2rem);
  opacity:.95;
  margin-bottom:1.25rem;
}


/* =========================
   CTA
========================= */
.cta-buttons a{
  display:inline-block;
  margin:0 .6rem;
  padding:.7rem 1.8rem;
  border-radius:50px;
  font-weight:600;
}

.cta-primary{
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  color:#fff;
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}

.cta-secondary{
  border:2px solid #fff;
  color:#fff;
}


/* =========================
   GRID & CARD
========================= */
.grid{display:grid;gap:1.25rem}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.card{
  padding:1.25rem;
  border-radius:var(--radius-lg);
  text-align:center;
  box-shadow:var(--card-shadow);
  background:#fff;
  transition:transform .25s;
}

.card:hover{transform:translateY(-5px)}

.card-icon div{
  width:60px;height:60px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent-2));
  color:#fff;
  font-size:1.5em;
  margin:0 auto .8rem;
}

.card img{
  max-width:100%;
  height:auto;
  display:block;
  margin:0 auto;
  object-fit:contain;
  border-radius:12px;
  background:#f2f2f2;
  min-height:120px;
}


/* =========================
   FEATURES
========================= */
.features-alt{
  display:flex;
  flex-direction:column;
  gap:1.75rem;
}

.feature{
  display:flex;
  align-items:center;
  gap:1rem;
  background:#fff;
  padding:1rem;
  border-radius:var(--radius-lg);
  box-shadow:0 4px 12px rgba(0,0,0,.08);
}

.feature:nth-child(even){flex-direction:row-reverse}

.feature-icon{
  font-size:2.2rem;
  color:var(--c-primary);
  flex-shrink:0;
}


/* =========================
   STEPS
========================= */
.steps{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:1rem;
  position:relative;
  padding:1.5rem 0;
}

.step{
  flex:1 1 220px;
  padding:1rem;
  border-radius:var(--radius-lg);
  background:#fff;
  box-shadow:0 4px 12px rgba(0,0,0,.06);
  text-align:center;
  position:relative;
  z-index:1;
}

.step h3{
  margin-bottom:.4rem;
  color:var(--c-primary);
}

.steps::before{
  content:"";
  position:absolute;
  top:50%;
  left:5%;
  right:5%;
  height:4px;
  background:var(--c-accent-2);
  z-index:0;
  border-radius:4px;
}


/* =========================
   PRICING
========================= */
table{
  width:100%;
  border-collapse:collapse;
  margin-top:1.25rem;
  border-radius:12px;
  overflow:hidden;
}

th,td{
  padding:.9rem;
  text-align:center;
  border:1px solid #eee;
}

th{background:var(--c-primary);color:#fff}
td{background:#fff}

.price-cta a{
  display:inline-block;
  margin-top:1rem;
  padding:.6rem 1.2rem;
  border-radius:50px;
  background:linear-gradient(135deg,var(--c-accent),var(--c-primary));
  color:#fff;
  font-weight:600;
}


/* =========================
   FOOTER
========================= */
footer{
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent-2));
  color:#fff;
  padding:2rem 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
  gap:1rem;
}

.footer-col h4{
  font-size:1rem;
  margin-bottom:.6rem;
  font-weight:600;
  color:#e0f7fa;
}

.footer-col a{
  display:block;
  margin-bottom:.4rem;
  color:#fff;
  opacity:.9;
}

.footer-bottom{
  text-align:center;
  border-top:1px solid rgba(255,255,255,.2);
  padding-top:1rem;
  font-size:.9rem;
  opacity:.9;
}


/* =========================
   RESPONSIVE
========================= */
@media (max-width:1024px){
  .container{width:92%}
  .feature{gap:1rem;padding:1rem}
}

@media (max-width:768px){

  nav{padding:.6rem 4%}

  .nav-toggle{display:block}

  .nav-menu{
    display:none;
    flex-direction:column;
    position:absolute;
    top:100%;
    right:4%;
    background:#fff;
    padding:.6rem;
    border-radius:12px;
    box-shadow:0 8px 30px rgba(0,0,0,.12);
  }

  .nav-menu a{
    color:var(--text);
    padding:.5rem .8rem;
    border-radius:8px;
  }

  header h1{font-size:clamp(1.6rem,7vw,2.6rem)}
  header p{font-size:.98rem}

  .feature{flex-direction:column}
  .feature:nth-child(even){flex-direction:column}

  .steps{padding:1rem}
  .steps::before{display:none}
}

@media (max-width:480px){
  html{font-size:15px}
  .card{padding:.9rem}
  header{padding:1.6rem 0 2.2rem}
  .cta-buttons a{padding:.6rem 1rem;font-size:.9rem}
}