@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Color Palette */
  --color-primary: #1A365D; /* Deep Navy Blue */
  --color-primary-light: #2B6CB0;
  --color-accent: #D4AF37; /* Elegant Gold */
  --color-accent-light: #F4E5B8;
  --color-bg: #FAFAFA; /* Soft off-white */
  --color-surface: #FFFFFF;
  --color-text: #2D3748;
  --color-text-light: #718096;
  --color-border: #E2E8F0;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Shadows & Radius */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(26, 54, 93, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* ===== Typography Utilities ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Reduce spacing around breadcrumb and hero title */
.imef-breadcrumb {
  margin: var(--spacing-sm) 0 calc(var(--spacing-sm) / 2) 0;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* Slightly tighter title area when used with the hero */
.hero .container {
  padding-top: 0;
  padding-bottom: 0;
}
.section-title.center::after {
  left: 50%;
  transform: translateX(-50%);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* ===== Layout Utilities ===== */
.section {
  padding: var(--spacing-xs) 0;
}
.grid {
  display: grid;
  gap: var(--spacing-md);
}
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.875rem;
}
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
}

/* ===== Header & Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  padding: var(--spacing-sm) 0;
}
.header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-sm);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.logo-img {
  height: 50px;
  width: auto;
  border-radius: 50%; /* Make the imef logo circular if possible */
  object-fit: cover;
  transition: transform var(--transition-normal);
}
.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-primary);
  line-height: 1.1;
  text-transform: uppercase;
}
.logo-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 500;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 0.5rem 0;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

/* Dropdown */
.has-dropdown {
  position: relative;
}
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-surface);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}
.has-dropdown:hover > .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-link {
  display: block;
  padding: 0.5rem 1.5rem;
  color: var(--color-text);
  font-size: 0.9rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.dropdown-link:hover {
  background-color: var(--color-bg);
  color: var(--color-primary);
  padding-left: 1.7rem;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
}

/* ===== Footer ===== */
.footer {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-sm);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}
.footer-col h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}
.footer-col p, .footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.footer-col a:hover {
  color: var(--color-accent);
}
.footer-col ul li {
  margin-bottom: 0.5rem;
}
.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* ===== Animations ===== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Utility to add delays to animations */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* ===== Product page layout ===== */
.product-layout {
  align-items: start;
}
.product-layout.grid {
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-lg);
}
/* La galleria rimane visibile mentre si scorre i blocchi lunghi */
.product-gallery-col {
  position: sticky;
  top: 120px;   /* header ~100px + margine */
  align-self: start;
}

/* ===== Block grids ===== */
/* contact-info: form | recapiti+orari */
.grid-contact {
  grid-template-columns: 1fr 1fr;
}
/* location: indirizzo | mappa (mappa più larga) */
.grid-location {
  grid-template-columns: 1fr 2fr;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-menu {
    gap: 1rem;
  }
  .grid-location {
    grid-template-columns: 1fr 1fr;
  }
  .product-layout.grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .product-layout.grid {
    grid-template-columns: 1fr;
  }
  .product-gallery-col {
    position: static;
  }
}

@media (max-width: 768px) {
  .grid-contact,
  .grid-location {
    grid-template-columns: 1fr;
  }
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-md);
    transition: left var(--transition-normal);
    overflow-y: auto;
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-link {
    font-size: 1.25rem;
    width: 100%;
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-left: 2px solid var(--color-accent);
    border-radius: 0;
    padding: 0;
    margin-top: 0.5rem;
    display: none;
  }
  .has-dropdown.active > .dropdown {
    display: block;
  }
}