/* ==========================================================================
   ZETRAN STUDIO - STILE ELEGANTE & ACCESSIBILE (WCAG AA)
   ========================================================================== */

:root {
  --color-primary: #0f172a;       /* Deep Navy */
  --color-primary-light: #1e293b;
  --color-accent: #c28b38;        /* Warm Gold / Amber */
  --color-accent-hover: #a47228;
  --color-accent-soft: #fef3c7;
  --color-text: #334155;          /* Slate Dark */
  --color-text-muted: #64748b;
  --color-heading: #0f172a;
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #c28b38;
  --color-success: #15803d;
  --color-danger: #b91c1c;
  
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 20px 35px -10px rgba(15, 23, 42, 0.16);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.25s ease-in-out;
  --container-max: 1200px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Accessibilità e Focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 3px solid var(--color-border-focus);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Tipografia */
h1, h2, h3, h4 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.25;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-family: var(--font-serif);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-family: var(--font-serif);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

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

.section-header {
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
  text-align: center;
}

.section-subtitle {
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

/* Pulsanti */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none !important;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-outline-white {
  background-color: transparent;
  border-color: #ffffff;
  color: #ffffff;
}
.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

/* Header & Navigazione */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none !important;
}
.logo-wrapper img {
  width: 44px;
  height: 44px;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.logo-badge {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  font-size: 1rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
  text-decoration: none;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Mobile Nav Drawer */
@media (max-width: 991px) {
  .menu-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-xl);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }
  .nav-menu.open {
    transform: translateX(0);
  }
  .header-actions .btn {
    display: none;
  }
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 5rem 0 6rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.hero-pill i {
  color: var(--color-accent);
}

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

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-image-card img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}
.hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(6px);
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-floating-badge i {
  font-size: 1.8rem;
  color: var(--color-accent);
}

/* Statistiche */
.stats-section {
  background: var(--color-primary);
  color: #ffffff;
  padding: 3.5rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item h3 {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
  font-family: var(--font-sans);
}
.stat-item p {
  color: #cbd5e1;
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Come Funziona (Processo) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.step-card {
  background: #ffffff;
  padding: 2.2rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  text-align: center;
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.step-number {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  color: #ffffff;
  border-radius: 50%;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.step-icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin: 1rem 0 1.25rem 0;
}

/* Servizi Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.service-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-img-wrapper {
  height: 220px;
  overflow: hidden;
}
.service-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-img-wrapper img {
  transform: scale(1.05);
}
.service-body {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.service-body h3 {
  color: var(--color-primary);
}
.service-body p {
  color: var(--color-text-muted);
  flex-grow: 1;
  font-size: 0.98rem;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-top: 1rem;
}

/* Feature Block (Asimmetrico) */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}
.feature-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.feature-list {
  list-style: none;
  margin: 1.5rem 0 2rem 0;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}
.feature-list i {
  color: var(--color-accent);
  font-size: 1.25rem;
  margin-top: 0.15rem;
}

/* Prezzi (Pricing) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}
.pricing-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}
.pricing-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-header {
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}
.pricing-price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-serif);
  margin: 0.5rem 0;
}
.pricing-price span {
  font-size: 1rem;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  font-weight: 400;
}
.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  flex-grow: 1;
}
.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}
.pricing-features i {
  color: var(--color-accent);
}

/* Modulo di Contatto / Lead Capture */
.form-section {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  position: relative;
}
.form-section h2, .form-section .section-subtitle {
  color: #ffffff;
}
.form-section p {
  color: #cbd5e1;
}
.form-card {
  background: #ffffff;
  color: var(--color-text);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 680px;
  margin: 0 auto;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}
.form-control {
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(194, 139, 56, 0.15);
}
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.form-check input {
  margin-top: 0.25rem;
  accent-color: var(--color-accent);
  width: 17px;
  height: 17px;
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 1.4rem 1.8rem;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  transition: var(--transition);
}
.faq-question:hover {
  background: var(--color-bg-alt);
}
.faq-icon {
  font-size: 1rem;
  color: var(--color-accent);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 1.8rem;
  color: var(--color-text);
  line-height: 1.7;
}
.faq-answer-inner {
  padding-bottom: 1.5rem;
}

/* Trust Layer (Informazioni Societarie Trasparenza) */
.trust-layer {
  background: #f1f5f9;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.trust-layer-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.trust-layer-title {
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #94a3b8;
  padding: 4.5rem 0 2rem 0;
  font-size: 0.95rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}
.footer-brand h4 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.footer-brand p {
  color: #cbd5e1;
  font-size: 0.95rem;
}
.footer-column h5 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.75rem;
}
.footer-links a {
  color: #94a3b8;
}
.footer-links a:hover {
  color: #ffffff;
  text-decoration: none;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  border-top: 2px solid var(--color-accent);
  box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.12);
  padding: 1.5rem 0;
  z-index: 99999;
  display: none;
}
.cookie-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cookie-text {
  flex: 1 1 500px;
  font-size: 0.92rem;
  color: var(--color-text);
  margin-bottom: 0;
}
.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Pagine Legali & Contenuti Estesi */
.legal-content {
  max-width: 850px;
  margin: 0 auto;
  background: #ffffff;
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.legal-content h1 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
}
.legal-content h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.4rem;
}
.legal-content ul, .legal-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.legal-content li {
  margin-bottom: 0.5rem;
}

/* Responsive Breakpoints */
@media (max-width: 991px) {
  .hero-grid, .feature-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .steps-grid, .pricing-grid, .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .legal-content {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .steps-grid, .pricing-grid, .stats-grid, .form-grid, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .cookie-container {
    flex-direction: column;
    align-items: stretch;
  }
  .cookie-actions {
    flex-direction: column;
  }
  .cookie-actions .btn {
    width: 100%;
  }
}