/* ==========================================================================
   UomoAttivo - Official Stylesheet
   Theme: Energia Maschile e Stile di Vita Attivo
   Color Palette:
     - Pure White: #FFFFFF
     - Deep Dark Blue: #0B1B3D
     - Dynamic Fresh Turquoise: #00B4D8
   ========================================================================== */

:root {
  --color-bg: #FFFFFF;
  --color-surface: #F8FAFC;
  --color-surface-hover: #F1F5F9;
  --color-text-main: #0B1B3D;
  --color-text-muted: #475569;
  --color-text-light: #64748B;
  --color-accent: #00B4D8;
  --color-accent-dark: #0096C7;
  --color-accent-light: #E0F2FE;
  --color-border: #E2E8F0;
  --color-border-active: #00B4D8;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(11, 27, 61, 0.04);
  --shadow-md: 0 10px 25px rgba(11, 27, 61, 0.06);
  --shadow-lg: 0 20px 40px rgba(11, 27, 61, 0.1);
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-main);
}

.brand-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-text-main), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.brand-logo span {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-main);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.nav-cta {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.nav-cta:hover {
  background-color: var(--color-accent);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.25);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text-main);
}

/* Layout Elements */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

/* Typography Helpers */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background-color: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-badge);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-btn);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(0, 180, 216, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 180, 216, 0.4);
}

.btn-secondary {
  background-color: var(--color-text-main);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: #1A2E5A;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-main);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text-main);
  background-color: var(--color-surface);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 2.25rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 180, 216, 0.3);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text-main);
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.6;
}

/* Hero Section */
.hero {
  padding: 4rem 0 6rem;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: var(--color-text-main);
}

.hero-title span {
  color: var(--color-accent);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

/* Visual Feature Highlight */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}

.feature-split.reverse {
  direction: rtl;
}

.feature-split.reverse > * {
  direction: ltr;
}

.feature-image {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.feature-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

/* Product Section (Offerta) */
.product-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: 3.5rem;
  box-shadow: var(--shadow-sm);
}

.product-image-container {
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  padding: 1rem;
  box-shadow: var(--shadow-md);
}

.product-image-container img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: calc(var(--radius-card) - 4px);
}

.product-details .product-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.product-details .product-subtitle {
  font-size: 1.1rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.product-features-list {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.product-feature-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* Quality & Transparency Section */
.quality-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.quality-box {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition);
}

.quality-box:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.quality-box-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background-color: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

/* Form Container (Contatti) */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-card {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 3rem;
}

.contact-info-card h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-info-card p {
  color: #94A3B8;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-detail-icon {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.form-wrapper {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.125rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-btn);
  background-color: #FFFFFF;
  color: var(--color-text-main);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.15);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.15rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.checkbox-label a {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

/* Thank You Page */
.thank-you-wrapper {
  text-align: center;
  max-width: 640px;
  margin: 4rem auto;
  padding: 3.5rem 2rem;
  background-color: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
}

.thank-you-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  margin-top: auto;
  background-color: var(--color-text-main);
  color: #94A3B8;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand-logo {
  color: #FFFFFF;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.95rem;
  max-width: 380px;
  line-height: 1.6;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.95rem;
  color: #94A3B8;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid, .feature-split, .product-showcase, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .feature-split.reverse {
    direction: ltr;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    gap: 1rem;
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  section {
    padding: 3.5rem 0;
  }
  
  .product-showcase, .form-wrapper, .contact-info-card {
    padding: 1.75rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}