:root {
  --primary-color: #0d6fa0; /* azzurro */
  --primary-light: #5a9ecf;
  --secondary-color: #d67a3c; /* arancio */
  --text-color: #000000;
  --light-text: #ffffff;
  --background: #ffffff;
  --light-background: #f8f9fa;
  --dark-background: #0f172a;
  --border-color: #e2e8f0;
  --transition: all 0.3s ease;
  --section-gap: 100px;
}

/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-color);
  background-color: var(--background);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
  width: 100%;
  background: var(--light-background);
  box-shadow: 0 2px 10px rgba(0,0,0,0.07);
  position: fixed;
  top: 0; left: 0; z-index: 1000;
  transition: var(--transition);
  display: flex;
  align-items: center;
}
.navbar.scrolled { box-shadow: 0 4px 12px rgba(0,0,0,0.15); }

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 25px;
}

.logo { font-size: 2rem; font-weight: 700; color: var(--primary-color); }
.logo span { color: var(--secondary-color); }

.nav-links { display: flex; list-style: none; margin-left: auto; gap: 20px; }
.nav-links li { margin-left: 0; }
.nav-links a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a:focus { color: var(--primary-color); outline: none; }

.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  height: 21px;
  width: 25px;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--primary-color);
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Hero */
.hero {
  position: relative;
  padding-top: 100px;
  padding-bottom: var(--section-gap);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--light-text);
  overflow: hidden;
}
.hero-bg-slider {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: brightness(0.5);
  z-index: 0;
  transition: background-image 1s ease-in-out;
}
.hero-content { width: 100%; display:flex; justify-content:center; position: relative; z-index: 1; }
.hero-inner { max-width: 900px; padding: 40px 20px; }
.hero h1 { font-size: 2.6rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--primary-color); text-shadow:1px 1px 6px rgba(0,0,0,0.5);}
.hero h1 .highlight { color: var(--secondary-color); text-shadow:1px 1px 6px rgba(0,0,0,0.5);}
.hero h2 { color: var(--light-text); font-size: 1.3rem; margin-bottom: 1rem; text-shadow:1px 1px 5px rgba(0,0,0,0.5); }

/* Buttons */
.cta-buttons { margin-top: 1.2rem; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}
.primary-btn, .cta-buttons a.secondary-btn {
  background: var(--primary-color);
  color: var(--light-text);
  box-shadow: 0 4px 15px rgba(13,111,160,0.12);
}
.primary-btn:hover, .primary-btn:focus, .cta-buttons a.secondary-btn:hover, .cta-buttons a.secondary-btn:focus {
  background: var(--primary-light);
  transform: translateY(-3px);
  outline:none;
}

/* Section headers */
.section-header { text-align: center; margin-bottom: 40px; }
.section-header h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  display: inline-block;
}
.underline {
  height: 4px;
  width: 60px;
  background: var(--secondary-color);
  margin: 0 auto;
  border-radius: 5px;
}

/* About */
.about { padding: var(--section-gap) 0; }
.about-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2.5rem;
}
.about-text { flex: 2; }
.about-image { flex: 1; text-align: center; }
.about-image img { width: 100%; border-radius: 10px; }

/* Location buttons */
.maps-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.maps-btn i { font-size: 1.1rem; }
.google-maps { background-color: #4285F4; color: #fff; }
.google-maps:hover, .google-maps:focus { background-color: #357ae8; transform: translateY(-2px); outline:none; }
.apple-maps { background-color: #000; color: #fff; }
.apple-maps:hover, .apple-maps:focus { background-color: #333; transform: translateY(-2px); outline:none; }

/* Services / Come lavoro */
.services { padding: var(--section-gap) 0; }
.services-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
}
.service-card {
  background: var(--light-background);
  border-radius: 1rem;
  box-shadow: 0 2px 10px rgba(13,111,160,0.06);
  padding: 1.8rem 1.2rem;
  text-align: center;
  flex: 1 1 260px;
  min-width: 260px;
  max-width: 380px;
  transition: transform 0.45s ease, opacity 0.45s ease;
  opacity: 0;
}
.service-card.visible { opacity: 1; transform: translateY(0); }
.service-img-wrap {
  width: 200px;
  height: 200px;
  margin: 0 auto 1rem;
  border-radius: 10px;
  background-color: var(--light-background);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 4px;
}
.service-card img.service-icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  border-radius: 6px;
  background-color: transparent;
}

/* Athletes slider */
.athletes { padding: var(--section-gap) 0; }
.athlete-slider { overflow: hidden; position: relative; }
.slider-track {
  display: flex;
  width: max-content;
  will-change: transform;
  position: relative;
}
.slider-track .card {
  flex: 0 0 250px;
  margin-right: 20px;
  background: var(--light-background);
  border-radius: 15px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
  transition: transform 0.3s ease;
}
.slider-track .card:hover,
.slider-track .card:focus-within { transform: scale(1.03); outline:none; }
.slider-track .card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  object-position: center;
  display: block;
}
.slider-track .card-body { padding: 12px; }

/* Contact */
.contact { padding: var(--section-gap) 0; }
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  align-items: stretch;
}
.contact-cards-grid a.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--light-background);
  border-radius: 15px;
  text-align: center;
  padding: 1.6rem 1rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, background 0.25s ease;
  color: inherit;
  text-decoration: none;
  height: 100%;
}
.contact-cards-grid a.contact-card:hover,
.contact-cards-grid a.contact-card:focus { transform: translateY(-6px); background:#fbfdff; outline:none; }
.contact-card i { color: var(--primary-color); margin-bottom: 10px; }
.contact-card h4 { margin-bottom: 8px; font-size: 1.05rem; }
.contact-cta { display: inline-block; margin-top: 6px; color: var(--primary-color); font-weight: 600; }

/* Footer */
footer { background: var(--dark-background); color: var(--light-text); padding: 2rem 0 1rem; margin-top: 3rem; }
.footer-content { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 2rem; }
.footer-logo .logo { color: var(--primary-color); }
.footer-logo span { color: var(--secondary-color); }
.footer-links ul { display: flex; list-style: none; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: var(--light-text); text-decoration: none; transition: var(--transition); }
.footer-links a:hover, .footer-links a:focus { color: var(--primary-light); outline:none; }
.footer-social { display: flex; gap: 1rem; justify-content: center; }
.footer-bottom { text-align: center; margin-top: 1rem; color: var(--border-color); }

/* Responsive */
@media (max-width: 900px) {
  .about-content, .services-grid, .footer-content { flex-direction: column; align-items: center; }
  .service-card { max-width: 100%; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--light-background);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 10px 0;
  }
  .nav-links.active { max-height: 420px; }
  .nav-links li { margin: 12px 0; text-align: center; }

  .about-content { flex-direction: column; text-align: center; }
  .about-text, .about-image { flex: unset; width: 100%; }
  .about-image { margin: 1rem 0; }
  .about-text p { text-align: center; }
}

@media (max-width: 600px) {
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    justify-content: center;
    gap: 0.75rem;
    max-width: 460px;
    margin: 0 auto;
  }

  .hero h1 { font-size: 1.8rem; }
  .hero h2 { font-size: 1.05rem; }
  .section-header h2 { font-size: 1.5rem; }
  .container { padding: 0 12px; }
  .service-img-wrap { width: 140px; height: 140px; }
}