/* ==========================================================================
   OTTICA VISTA PURA - MAIN STYLESHEET
   Design Elegante, Moderno & 100% Responsive per il mercato Italiano
   Conformità WCAG AA & Performance Ottimizzata per Google Ads Quality Score
   ========================================================================== */

:root {
  /* Palette Colori - Eleganza Italiana & Affidabilità Ottica */
  --color-primary: #0f2438;        /* Blu Navy Profondo / Deep Navy */
  --color-primary-light: #1c3c5c;  /* Navy Medio */
  --color-accent: #c49a6c;         /* Oro / Ambra Tartarugato Elegante */
  --color-accent-hover: #b08556;
  --color-secondary: #2c4f64;      /* Blu Ottico */
  --color-success: #15803d;        /* Verde Convalida */
  --color-warning: #b45309;
  --color-error: #b91c1c;

  /* Colori Neutri */
  --bg-main: #fcfbf9;              /* Bianco Caldo Avorio */
  --bg-card: #ffffff;
  --bg-alt: #f4f2ee;               /* Grigio Caldo / Stone */
  --text-main: #1a202c;            /* Testo Principale */
  --text-muted: #5a6578;           /* Testo Secondario */
  --text-light: #8896ab;
  --border-color: #e5e0d8;
  --border-light: #ece9e2;

  /* Tipografia */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Spaziature e Raggi */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 6px rgba(15, 36, 56, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 36, 56, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 36, 56, 0.12);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --container-max: 1200px;
}

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

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

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 16px; /* Previene lo zoom automatico su iOS Safari */
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.lead-text {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-primary);
}

.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }

/* Top Announcement Bar */
.top-bar {
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  text-align: center;
  letter-spacing: 0.3px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-badge {
  background: var(--color-accent);
  color: #ffffff;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

/* Header & Navigazione */
.site-header {
  background: rgba(252, 251, 249, 0.96);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.site-header .container {
  max-width: 1360px;
  width: 100%;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.65rem 0;
  min-height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  white-space: nowrap;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.nav-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  position: relative;
  padding: 0.35rem 0;
  white-space: nowrap;
  letter-spacing: 0.1px;
}

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

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

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.86rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
}

.header-phone:hover {
  color: var(--color-accent);
}

.header-phone svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Pulsanti / Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.header-cta-group .btn-sm {
  padding: 0.52rem 1.15rem;
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: 50px;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.2px;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 36, 56, 0.2);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 36, 56, 0.25);
}

.btn-accent {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(196, 154, 108, 0.3);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

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

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

.btn-lg {
  padding: 1.1rem 2.4rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero-section {
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #fcfbf9 0%, #f6f3ed 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #f0e8dc;
  color: #7d592f;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(196, 154, 108, 0.3);
}

.hero-title {
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
}

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

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.trust-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: flex-end;
}

.hero-card-banner {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: 0 16px 45px rgba(15, 36, 56, 0.09);
  border: 1px solid var(--border-color);
  max-width: 470px;
  width: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-card-banner:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 50px rgba(15, 36, 56, 0.13);
}

.hero-eyewear-graphic {
  width: 100%;
  height: 300px;
  background: #faf8f5;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
  border: 1px solid #ede8df;
}

.hero-eyewear-graphic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.hero-eyewear-graphic:hover img {
  transform: scale(1.04);
}

/* Sezione Features / Vantaggi */
.features-section {
  padding: 5rem 0;
  background: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  display: block;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-main);
  padding: 2.25rem 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.feature-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: #f2e9dc;
  color: var(--color-accent-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

/* Call to Action Banner */
.cta-strip {
  background: linear-gradient(135deg, var(--color-primary) 0%, #163653 100%);
  color: #ffffff;
  padding: 4.5rem 0;
  text-align: center;
}

.cta-strip h2 {
  color: #ffffff;
  margin-bottom: 1rem;
}

.cta-strip p {
  color: #cfd8e3;
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
}

/* Form Section */
.lead-form-section {
  padding: 5rem 0;
  background: var(--bg-alt);
}

.form-container-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 3rem;
  max-width: 800px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #fafaf9;
  transition: var(--transition);
  color: var(--text-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(196, 154, 108, 0.15);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1.5;
}

.form-checkbox-label input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: var(--color-primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.form-checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 500;
}

/* FAQ Accordion */
.faq-section {
  padding: 5rem 0;
  background: #ffffff;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-main);
  transition: var(--transition);
}

.faq-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-primary);
  user-select: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
  color: var(--color-accent);
}

.faq-body {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.active {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.faq-item.active .faq-header {
  color: var(--color-accent-hover);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-item.active .faq-body {
  padding: 0 1.5rem 1.25rem;
  max-height: 400px;
}

/* Footer Istituzionale e di Conformità */
.site-footer {
  background: #0a1826;
  color: #b0bed0;
  padding: 4.5rem 0 2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.footer-brand .sub {
  color: var(--color-accent);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1rem;
}

.footer-piva {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-top: 1rem;
}

.footer-column h4 {
  color: #ffffff;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  line-height: 1.4;
}

.footer-contact-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Medical Disclaimer Banner nel Footer */
.footer-medical-disclaimer {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #94a3b8;
}

.disclaimer-badge {
  display: inline-block;
  background: rgba(196, 154, 108, 0.2);
  color: var(--color-accent);
  border: 1px solid rgba(196, 154, 108, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #64748b;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* Mobile Navigation Drawer */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-primary);
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 24, 38, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9998;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -340px;
  width: 85%;
  max-width: 320px;
  height: 100vh;
  background: #ffffff;
  z-index: 9999;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -4px 0 25px rgba(15, 36, 56, 0.18);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.mobile-nav-links a {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  display: block;
  transition: var(--transition);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  color: var(--color-accent);
}

/* Responsività Globale */
@media (max-width: 1220px) {
  .nav-menu {
    gap: 1.15rem;
  }
  .nav-link {
    font-size: 0.88rem;
  }
  .header-cta-group {
    gap: 0.65rem;
  }
}

@media (max-width: 1080px) {
  .header-phone {
    display: none !important;
  }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual {
    justify-content: center;
  }
  .hero-card-banner {
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .nav-menu, .header-phone {
    display: none !important;
  }
  .mobile-menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1rem;
  }
  .header-cta-group .btn-sm {
    display: none !important;
  }
  .navbar {
    padding: 0.65rem 0;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
  }
  .brand-name {
    font-size: 1.15rem;
  }
  .brand-sub {
    font-size: 0.62rem;
    letter-spacing: 1px;
  }
  .header-cta-group {
    gap: 0.5rem;
  }
  .header-cart-btn {
    padding: 0.45rem 0.65rem;
    font-size: 0.8rem;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-trust-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .form-container-box {
    padding: 1.5rem 1rem;
  }
  .top-bar {
    font-size: 0.72rem;
    padding: 0.35rem 0.6rem;
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
  }
}