/**
 * Homepage CSS — GuidaScelta.it
 * Stili specifici per la homepage: header, hero, griglia nicchie, footer
 */

/* === HEADER === */

.site-header {
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  height: var(--header-height-mobile);
}

@media (min-width: 768px) {
  .site-header {
    height: var(--header-height);
  }
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.8;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
}

@media (min-width: 768px) {
  .logo-icon {
    width: 50px;
    height: 50px;
  }
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
}

@media (min-width: 768px) {
  .logo-text {
    font-size: var(--font-size-2xl);
  }
}

.logo-text .highlight {
  color: var(--color-accent);
}

/* Navigation */
.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .main-nav ul {
    gap: var(--spacing-xl);
  }
}

.main-nav a {
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: 13px; /* Più piccolo per mobile */
}

@media (min-width: 768px) {
  .main-nav a {
    font-size: var(--font-size-base);
  }
}

.main-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/* Logo responsive */
@media (max-width: 400px) {
  .logo-text {
    font-size: 1.125rem; /* 18px */
  }

  .logo-icon {
    width: 32px;
    height: 32px;
  }
}

/* === HERO SECTION === */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--spacing-2xl) 0;
  }
}

/* Pattern decorativo background */
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
  color: var(--color-text-white);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-size-4xl);
  }
}

.hero-subtitle {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-normal);
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.95);
}

@media (min-width: 768px) {
  .hero-feature {
    font-size: var(--font-size-base);
  }
}

.hero-feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* === SEZIONE NICCHIE === */

.niches-section {
  padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  .niches-section {
    padding: var(--spacing-2xl) 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--font-size-4xl);
  }
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

/* Griglia nicchie */
.niches-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 640px) {
  .niches-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .niches-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Pulsanti nella griglia nicchie - ridotti per evitare overflow */
.niches-grid .btn-outline {
  padding: 8px 12px;
  font-size: 13px;
  min-height: 38px;
  white-space: nowrap;
}

@media (min-width: 400px) {
  .niches-grid .btn-outline {
    padding: 8px 16px;
  }
}

@media (min-width: 768px) {
  .niches-grid .btn-outline {
    padding: 10px 20px;
    font-size: 15px;
    min-height: 42px;
  }
}

/* === SEZIONE FEATURES === */

.features-section {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-3xl) 0;
}

@media (min-width: 768px) {
  .features-section {
    padding: var(--spacing-5xl) 0;
  }
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-item {
  text-align: center;
  padding: var(--spacing-xl);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.feature-description {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

/* === SEZIONE CTA === */

.cta-section {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-text-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .cta-section {
    padding: var(--spacing-4xl) 0;
  }
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-white);
}

@media (min-width: 768px) {
  .cta-title {
    font-size: var(--font-size-4xl);
  }
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === FOOTER === */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  text-decoration: none;
}

.footer-logo .logo-icon {
  width: 40px;
  height: 40px;
}

.footer-logo .logo-text {
  color: var(--color-text-white);
}

.footer-description {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.footer-section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-white);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-text-white);
  text-decoration: underline;
}

/* Disclaimer Amazon */
.footer-disclaimer {
  background-color: rgba(0, 0, 0, 0.2);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-light);
}

.footer-disclaimer strong {
  color: var(--color-text-white);
}

/* Copyright */
.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* === ANIMAZIONI === */

/* Fade in animazione per le card */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Stagger animation per le card della griglia */
.niches-grid .niche-card:nth-child(1) { animation-delay: 0.1s; }
.niches-grid .niche-card:nth-child(2) { animation-delay: 0.2s; }
.niches-grid .niche-card:nth-child(3) { animation-delay: 0.3s; }
.niches-grid .niche-card:nth-child(4) { animation-delay: 0.4s; }
.niches-grid .niche-card:nth-child(5) { animation-delay: 0.5s; }
.niches-grid .niche-card:nth-child(6) { animation-delay: 0.6s; }

/* Stato iniziale per animazioni */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === BACK TO TOP BUTTON === */

.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: var(--z-index-fixed);
  opacity: 0;
  visibility: hidden;
  transform: translateY(100px);
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}