/* frontend/css/style.css */
/* ============================================================
   GIROTTO SOLUZIONI INFORMATICHE — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --c-bg:        #0a0f1a;
  --c-bg2:       #0f1724;
  --c-surface:   #141e2e;
  --c-border:    #1e2d42;
  --c-accent:    #0ea5e9;
  --c-accent2:   #38bdf8;
  --c-green:     #22c55e;
  --c-orange:    #f97316;
  --c-red:       #ef4444;
  --c-yellow:    #eab308;
  --c-text:      #e2eaf4;
  --c-muted:     #6b8099;
  --c-white:     #ffffff;
  --nav-h:       68px;
  --radius:      10px;
  --radius-lg:   16px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --shadow-lg:   0 12px 48px rgba(0,0,0,.5);
  --transition:  .25s ease;
  --font-main:   'Sora', sans-serif;
  --font-body:   'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Typography ── */
h1,h2,h3,h4 { font-family: var(--font-main); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(10,15,26,.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.nav-inner {
  max-width: 1200px; margin: auto;
  height: 100%; padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-main); font-weight: 700; font-size: 1.05rem;
  color: var(--c-white); white-space: nowrap;
}
.nav-logo span { color: var(--c-accent); }
.nav-logo-box {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-accent), #0369a1);
  display: grid; place-items: center; font-size: 1rem;
}
.nav-links {
  display: flex; align-items: center; gap: 4px; margin-left: auto;
}
.nav-links a {
  padding: 6px 14px; border-radius: 6px; font-size: .9rem; font-weight: 500;
  color: var(--c-muted); transition: color var(--transition), background var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--c-text); background: var(--c-surface); }
.nav-cta {
  background: var(--c-accent) !important; color: var(--c-white) !important;
  padding: 8px 18px !important; border-radius: 8px !important; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--c-accent2) !important; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 6px; margin-left: auto;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--c-text); border-radius: 2px; transition: var(--transition);
}

/* ── Container ── */
.container { max-width: 1200px; margin: auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ── Page header ── */
.page-header {
  padding: calc(var(--nav-h) + 60px) 24px 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--c-bg2) 0%, var(--c-bg) 100%);
  border-bottom: 1px solid var(--c-border);
}
.page-header h1 { margin-bottom: 12px; }
.page-header p { color: var(--c-muted); font-size: 1.1rem; max-width: 600px; margin: auto; }

/* ── Cards ── */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: var(--c-accent); box-shadow: 0 0 0 1px var(--c-accent)22; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 8px; font-size: .9rem; font-weight: 600;
  border: none; transition: all var(--transition);
}
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent2); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(14,165,233,.35); }
.btn-outline { background: transparent; color: var(--c-accent); border: 1px solid var(--c-accent); }
.btn-outline:hover { background: var(--c-accent); color: #fff; }
.btn-danger { background: var(--c-red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 14px; font-size: .82rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; pointer-events: none; }

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--c-muted); text-transform: uppercase; letter-spacing: .05em; }
.form-control {
  background: var(--c-bg); border: 1px solid var(--c-border);
  color: var(--c-text); border-radius: 8px; padding: 11px 14px; font-size: .95rem; font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition); width: 100%;
}
.form-control:focus { outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(14,165,233,.15); }
.form-control::placeholder { color: var(--c-muted); }
textarea.form-control { resize: vertical; min-height: 120px; }

/* ── Alerts ── */
.alert {
  padding: 12px 16px; border-radius: 8px; font-size: .9rem;
  display: none; margin-bottom: 16px;
}
.alert.show { display: block; }
.alert-success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.3); color: #4ade80; }
.alert-error   { background: rgba(239,68,68,.12);  border: 1px solid rgba(239,68,68,.3);  color: #f87171; }
.alert-info    { background: rgba(14,165,233,.12); border: 1px solid rgba(14,165,233,.3); color: var(--c-accent2); }

/* ── Badges ── */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
}
.badge-green  { background: rgba(34,197,94,.15);  color: #4ade80; }
.badge-orange { background: rgba(249,115,22,.15); color: #fb923c; }
.badge-red    { background: rgba(239,68,68,.15);  color: #f87171; }
.badge-blue   { background: rgba(14,165,233,.15); color: var(--c-accent2); }
.badge-gray   { background: rgba(107,128,153,.15);color: var(--c-muted); }
.badge-yellow { background: rgba(234,179,8,.15);  color: #facc15; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--c-border); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th { padding: 14px 16px; text-align: left; font-size: .75rem; text-transform: uppercase;
     letter-spacing: .06em; color: var(--c-muted); background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
td { padding: 14px 16px; border-bottom: 1px solid var(--c-border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--c-surface); }

/* ── Grid helpers ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.grid-5 { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); 
  gap: 20px; 
}

/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--c-border);
  padding: 48px 24px 24px;
  text-align: center; color: var(--c-muted); font-size: .88rem;
}
footer a { color: var(--c-accent); }
footer a:hover { text-decoration: underline; }

/* ── Loading spinner ── */
.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid rgba(14,165,233,.3); border-top-color: var(--c-accent);
  animation: spin .7s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; inset: var(--nav-h) 0 0 0;
    flex-direction: column; background: var(--c-bg2); padding: 24px;
    gap: 6px; align-items: stretch; overflow-y: auto;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 1rem; border-radius: 8px; }
  .nav-toggle { display: flex; }
  .section { padding: 56px 0; }
}


/* Area Clienti allineata a destra */
.navbar,
nav ul,
.nav-links {
    display: flex;
    align-items: center;
    width: 100%;
}

.nav-right {
    margin-left: auto;
    display: flex;
    align-items: center;
}


/* ── Mobile navbar upgrade ── */
body.menu-open{
  overflow:hidden;
}
@media (max-width: 768px) {
  .nav-inner{
    gap:14px;
    padding:0 16px;
  }
  .nav-links{
    width:100%;
    height:calc(100vh - var(--nav-h));
    backdrop-filter:blur(22px);
    background:linear-gradient(180deg, rgba(15,23,36,.98), rgba(10,15,26,.96));
    transform:translateX(100%);
    opacity:0;
    transition:transform .35s ease, opacity .35s ease;
    display:flex;
    z-index:999;
  }
  .nav-links.open{
    transform:translateX(0);
    opacity:1;
  }
  .nav-links a{
    border:1px solid rgba(255,255,255,.04);
    background:rgba(255,255,255,.03);
  }
  .nav-toggle.active span:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2){
    opacity:0;
  }
  .nav-toggle.active span:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
}