/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:      #0a5fa8;
  --blue-dark: #073e6e;
  --blue-light:#1a7ed4;
  --accent:    #e8a020;
  --text:      #1e2a3a;
  --text-light:#5a6a7a;
  --bg-light:  #f4f7fb;
  --white:     #ffffff;
  --radius:    8px;
  --shadow:    0 4px 20px rgba(0,0,0,.10);
  --transition:0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.2; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--text-light); }

.section-title { text-align: center; margin-bottom: 0.5rem; }
.section-sub   { text-align: center; max-width: 640px; margin: 0 auto 3rem; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: .7rem 1.8rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary  { background: var(--blue); color: var(--white); }
.btn-primary:hover  { background: var(--blue-light); }
.btn-accent   { background: var(--accent); color: var(--white); }
.btn-accent:hover   { background: #d08a10; }
.btn-outline  { background: transparent; border: 2px solid var(--white); color: var(--white); }
.btn-outline:hover  { background: var(--white); color: var(--blue); }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
}

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.4rem; font-weight: 800;
  color: var(--blue);
  letter-spacing: -.5px;
}
.nav-logo span { color: var(--accent); }

.nav-menu {
  display: flex; align-items: center; gap: 0.25rem;
}

.nav-item { position: relative; }

.nav-link {
  display: block;
  padding: .45rem .9rem;
  border-radius: 6px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { background: var(--bg-light); color: var(--blue); }

/* dropdown */
.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown { display: block; }

.dropdown {
  display: none;
  position: absolute; top: 100%; left: 0;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 190px;
  padding: .5rem 0;
}
.dropdown a {
  display: block;
  padding: .55rem 1.2rem;
  font-size: .88rem;
  color: var(--text);
  transition: background var(--transition);
}
.dropdown a:hover { background: var(--bg-light); color: var(--blue); }

.nav-login {
  margin-left: .5rem;
  padding: .45rem 1.1rem;
  background: var(--blue);
  color: var(--white) !important;
  border-radius: 20px;
  font-size: .88rem;
  font-weight: 600;
  transition: background var(--transition);
}
.nav-login:hover { background: var(--blue-light) !important; }

/* language switcher */
.lang-switch {
  display: flex; align-items: center; gap: .15rem;
  margin-left: .75rem; font-size: .82rem; font-weight: 700;
}
.lang-switch a {
  color: var(--text-light); padding: .2rem .45rem;
  border-radius: 4px; transition: color var(--transition), background var(--transition);
}
.lang-switch a:hover { color: var(--blue); background: var(--bg-light); }
.lang-switch .lang-sep { color: #ccc; }
.lang-switch .lang-active { color: var(--blue); padding: .2rem .45rem; }

/* hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, var(--blue-light) 100%);
  color: var(--white);
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 { color: var(--white); margin-bottom: 1rem; }
.hero p  { color: rgba(255,255,255,.85); max-width: 620px; margin: 0 auto 2rem; font-size: 1.1rem; }
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-pills {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: .6rem; margin-top: 2.5rem;
}
.hero-pills span {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px;
  padding: .35rem 1rem;
  font-size: .85rem;
  color: var(--white);
}

/* ===== PILLARS ===== */
.pillars { padding: 4rem 0; background: var(--white); }
.pillars-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.pillar-card {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pillar-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.pillar-icon {
  font-size: 2.4rem; margin-bottom: 1rem;
}
.pillar-card h3 { margin-bottom: .5rem; color: var(--blue); }

/* ===== WORKFLOW ===== */
.workflow { padding: 4rem 0; background: var(--bg-light); }
.workflow-steps {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 0; margin-top: 2rem;
}
.step {
  flex: 1; min-width: 160px; max-width: 200px;
  text-align: center; padding: 2rem 1rem;
  position: relative;
}
.step::after {
  content: '→';
  position: absolute; right: -12px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem; color: var(--blue);
}
.step:last-child::after { display: none; }
.step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
}
.step h3 { color: var(--blue); margin-bottom: .4rem; }

/* ===== FEATURES (funzionalità) ===== */
.features { padding: 4rem 0; background: var(--white); }
.features-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-item {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: var(--radius);
  transition: box-shadow var(--transition);
}
.feature-item:hover { box-shadow: var(--shadow); }
.feature-icon { font-size: 1.8rem; flex-shrink: 0; }
.feature-item h3 { margin-bottom: .3rem; font-size: 1rem; }

/* ===== APPS SECTION ===== */
.apps { padding: 4rem 0; background: var(--bg-light); }
.apps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}
.app-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  transition: box-shadow var(--transition), transform var(--transition);
}
.app-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.app-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.app-card h3 { color: var(--blue); margin-bottom: .5rem; }
.app-card p  { font-size: .9rem; margin-bottom: 1.2rem; }
.app-card .btn { font-size: .85rem; padding: .5rem 1.2rem; }

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: .75rem; }
.cta-banner p  { color: rgba(255,255,255,.85); margin-bottom: 1.5rem; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-light));
  color: var(--white);
  padding: 3.5rem 0 3rem;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: .75rem; }
.page-hero p  { color: rgba(255,255,255,.85); max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* ===== GENERIC SECTION ===== */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-light); }

/* two-col layout */
.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.text-block h2 { margin-bottom: 1rem; }
.text-block p  { margin-bottom: 1rem; }
.text-block ul { padding-left: 1.2rem; list-style: disc; }
.text-block ul li { color: var(--text-light); margin-bottom: .4rem; }

/* ===== FEATURE LIST (inner pages) ===== */
.feat-list { margin: 2rem 0; display: flex; flex-direction: column; gap: 1rem; }
.feat-row {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.2rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 2px 6px rgba(0,0,0,.06);
}
.feat-row .icon { font-size: 1.6rem; flex-shrink: 0; }
.feat-row h4 { margin-bottom: .2rem; font-size: .95rem; }
.feat-row p  { font-size: .88rem; }

/* ===== SERVICES ===== */
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 1rem;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  border-top: 4px solid var(--blue);
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-4px); }
.service-card .icon { font-size: 2rem; margin-bottom: 1rem; }
.service-card h3 { color: var(--blue); margin-bottom: .5rem; }

/* ===== CONTACT FORM ===== */
.contact-wrapper {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 3rem; align-items: flex-start;
}
.contact-info h3 { color: var(--blue); margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 1rem; }
.contact-detail {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: .75rem;
}
.contact-detail .icon { font-size: 1.3rem; }

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: .9rem; font-weight: 500; margin-bottom: .4rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .7rem 1rem;
  border: 1.5px solid #d0dce8;
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--blue);
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* ===== FOOTER ===== */
footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,.8);
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.footer-brand h3 { color: var(--white); margin-bottom: .75rem; font-size: 1.3rem; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: .9rem; line-height: 1.7; }
.footer-col h4 { color: var(--white); font-size: .95rem; margin-bottom: .75rem; }
.footer-col ul li { margin-bottom: .4rem; }
.footer-col ul li a { font-size: .88rem; color: rgba(255,255,255,.7); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 1.2rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
}
.footer-bottom p { font-size: .82rem; }
.footer-bottom a { color: rgba(255,255,255,.6); font-size: .82rem; }
.footer-bottom a:hover { color: var(--white); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-menu {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white);
    box-shadow: 0 8px 20px rgba(0,0,0,.12);
    padding: .5rem 1rem 1rem;
    border-top: 1px solid #e8eef4;
  }
  .nav-menu.open { display: flex; }
  .nav-item { width: 100%; }
  .nav-link { padding: .6rem .75rem; border-radius: 6px; }
  .dropdown { display: block; position: static; box-shadow: none; padding: 0 0 0 1rem; border-left: 2px solid var(--bg-light); margin-top: .25rem; }
  .nav-login { text-align: center; margin: .5rem 0 0; border-radius: 6px; }

  .two-col, .two-col.reverse { grid-template-columns: 1fr; direction: ltr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .workflow-steps { flex-direction: column; align-items: center; }
  .step::after { content: '↓'; right: auto; top: auto; bottom: -16px; left: 50%; transform: translateX(-50%); }
  .footer-bottom { flex-direction: column; text-align: center; }
}