/* ==========================================================================
   DONNA ATTIVA - Design System & Main Stylesheet
   Tema: Benessere, Vitalità e Stile di Vita Attivo per la Donna
   Palette: Ispirata ai colori dell'Italia (Verde Smeraldo, Bianco Puro, Rosso Corallo)
   ========================================================================== */

:root {
  /* Italian Tricolore Refined Palette */
  --color-green-primary: #0f764e;
  --color-green-dark: #0a5738;
  --color-green-light: #e8f5ee;
  --color-green-soft: #f0f8f4;
  
  --color-red-accent: #c5282f;
  --color-red-dark: #9e1b21;
  --color-red-light: #fdedee;
  --color-red-soft: #fff5f5;

  --color-white: #ffffff;
  --color-cream: #fafbf8;
  --color-sand: #f4f6f2;
  
  --color-text-main: #1f2937;
  --color-text-muted: #4b5563;
  --color-text-light: #6b7280;
  --color-border: #e2e8f0;
  --color-border-subtle: #edf2f7;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.09), 0 10px 10px -5px rgba(0, 0, 0, 0.03);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-cream);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-green-dark);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 700;
  line-height: 1.25;
}

.font-serif {
  font-family: var(--font-serif);
}

/* ==========================================================================
   Utility & Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 860px;
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section-padding {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-green-primary);
  background: var(--color-green-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-tag.tag-red {
  color: var(--color-red-accent);
  background: var(--color-red-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: #111827;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.75rem;
  }
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-tricolore-bar {
  height: 4px;
  width: 100%;
  background: linear-gradient(to right, #008751 33.33%, #ffffff 33.33%, #ffffff 66.66%, #cd212a 66.66%);
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.45rem;
  color: #111827;
}

.brand-logo:hover {
  color: #111827;
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green-primary) 0%, var(--color-green-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
  box-shadow: 0 2px 6px rgba(15, 118, 78, 0.3);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-green-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-green-primary);
  border-radius: 2px;
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-green-primary);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 10px rgba(15, 118, 78, 0.2);
}

.header-cta-btn:hover {
  background-color: var(--color-green-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 118, 78, 0.3);
}

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

@media (max-width: 991px) {
  .nav-desktop {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-main);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-link.active {
  color: var(--color-green-primary);
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background-color: var(--color-green-primary);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(15, 118, 78, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 118, 78, 0.35);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-text-main);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--color-green-primary);
  color: var(--color-green-primary);
  background-color: var(--color-green-soft);
}

.btn-accent {
  background-color: var(--color-red-accent);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(197, 40, 47, 0.25);
}

.btn-accent:hover {
  background-color: var(--color-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(197, 40, 47, 0.35);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #ffffff 0%, #f4fbf7 60%, #fffbfb 100%);
  padding-top: 4.5rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--color-border-subtle);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  line-height: 1.15;
  color: #111827;
  margin-bottom: 1.25rem;
}

.hero-title span.text-highlight {
  color: var(--color-green-primary);
  position: relative;
  display: inline-block;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.hero-tag-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-main);
}

.hero-tag-icon {
  color: var(--color-green-primary);
  display: flex;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #ffffff;
  position: relative;
}

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

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: #ffffff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--color-border-subtle);
  max-width: 280px;
}

@media (max-width: 600px) {
  .hero-floating-card {
    position: static;
    margin-top: 1.5rem;
    max-width: 100%;
  }
  .hero-image-container img {
    height: 320px;
  }
}

/* ==========================================================================
   Feature Cards & Grids
   ========================================================================== */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

@media (max-width: 991px) {
  .card-grid-3, .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .card-grid-3, .card-grid-4, .card-grid-2 {
    grid-template-columns: 1fr;
  }
}

.card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-green-light);
}

.card-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--color-green-light);
  color: var(--color-green-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: #111827;
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-green-primary);
}

.card-link:hover {
  gap: 0.65rem;
}

/* ==========================================================================
   Article Card
   ========================================================================== */
.article-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.article-image-box {
  position: relative;
  height: 220px;
  overflow: hidden;
  background-color: var(--color-sand);
}

.article-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-image-box img {
  transform: scale(1.05);
}

.article-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  color: var(--color-green-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.article-content {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: #111827;
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* ==========================================================================
   Certifications Banner / Showcase
   ========================================================================== */
.cert-section {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  align-items: center;
}

@media (max-width: 900px) {
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .cert-grid {
    grid-template-columns: 1fr;
  }
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-cream);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.cert-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-green-light);
  color: var(--color-green-primary);
  border-radius: 50%;
}

.cert-text h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.cert-text p {
  font-size: 0.825rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-green-primary) 0%, #0c4d33 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3.5rem 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
  border-radius: 50%;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.cta-banner h2 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  font-size: 1.1rem;
  opacity: 0.92;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #111827;
  color: #d1d5db;
  padding-top: 4rem;
  padding-bottom: 2rem;
  border-top: 1px solid #1f2937;
  font-size: 0.925rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (max-width: 991px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 550px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand .brand-logo {
  color: #ffffff;
}

.footer-title {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #9ca3af;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid #1f2937;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer-legal-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-legal-bar a {
  color: #9ca3af;
}

.footer-legal-bar a:hover {
  color: #ffffff;
}

.footer-disclaimer-box {
  background: #1f2937;
  border: 1px solid #374151;
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 2rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #9ca3af;
}

/* ==========================================================================
   Page Headers (Internal Pages)
   ========================================================================== */
.page-hero {
  background: linear-gradient(135deg, #f0f8f4 0%, #ffffff 50%, #fdf5f5 100%);
  padding: 4rem 0 3.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-green-primary);
}

.page-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  margin-bottom: 1rem;
  color: #111827;
}

.page-intro {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 750px;
  line-height: 1.7;
}

/* ==========================================================================
   Content Blocks & Rich Typography
   ========================================================================== */
.content-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
}

.content-body h2 {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #111827;
}

.content-body h3 {
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #111827;
}

.content-body p {
  margin-bottom: 1.25rem;
}

.content-body ul, .content-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.content-body li {
  margin-bottom: 0.5rem;
}

.highlight-box {
  background: var(--color-green-soft);
  border-left: 4px solid var(--color-green-primary);
  padding: 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
}

.highlight-box.box-red {
  background: var(--color-red-soft);
  border-left-color: var(--color-red-accent);
}