/* ============================================
   BENESSERE INTESTINALE — LIGHT FRESH REDESIGN
   Clean, Airy, Organic Wellness
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Figtree:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Fresh Palette */
  --bg-main: #faf9f7;
  --bg-warm: #f5f3ef;
  --bg-pure: #ffffff;
  --bg-soft: #f0ede8;

  /* Nature-inspired accents */
  --primary: #0d9488;
  --primary-soft: #14b8a6;
  --primary-dark: #0f766e;
  --accent: #d97706;
  --accent-soft: #f59e0b;
  --accent-light: #fef3c7;

  /* Text on light */
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;

  /* Legacy */
  --primary-color: var(--primary);
  --accent-color: var(--accent);
  --error-color: #dc2626;

  /* Borders */
  --border-light: rgba(28, 25, 23, 0.08);
  --border-medium: rgba(28, 25, 23, 0.12);

  /* Gradients */
  --gradient-hero: linear-gradient(180deg, #faf9f7 0%, #f0ede8 100%);
  --gradient-accent: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
  --gradient-warm: linear-gradient(135deg, #fef3c7 0%, #fde68a 30%, transparent 100%);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;

  /* Typography */
  --font-display: 'Instrument Serif', serif;
  --font-body: 'Figtree', sans-serif;

  /* Radii - softer, organic */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-full: 9999px;

  /* Light shadows */
  --shadow-soft: 0 2px 12px rgba(28, 25, 23, 0.06);
  --shadow-card: 0 4px 24px rgba(28, 25, 23, 0.08);
  --shadow-elevated: 0 12px 40px rgba(28, 25, 23, 0.1);
  --primary-glow: rgba(13, 148, 136, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle warm wash */
body::before {
  content: '';
  position: fixed;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: var(--gradient-warm);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h1 { font-size: clamp(3rem, 7vw, 5rem); }
h2 { font-size: clamp(2.25rem, 4.5vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 1.9rem); font-family: var(--font-body); font-weight: 600; }
h4 { font-size: 1.2rem; font-weight: 600; }

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  font-size: 1.05rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* ============================================
   AD Label
   ============================================ */
.ad-label {
  background: var(--bg-soft);
  color: var(--text-muted);
  text-align: center;
  padding: 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-light);
}

/* ============================================
   Header — Clean Light
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(250, 249, 247, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-soft);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--primary-dark);
}

.logo a {
  color: inherit;
  text-decoration: none;
}

.nav-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-medium);
}

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

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

.btn-link:hover {
  color: var(--primary-dark);
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
}

/* Alternating section backgrounds */
.section:nth-child(even) {
  background: var(--bg-warm);
}

.section:nth-child(even) .section-title::after {
  background: var(--accent);
}

.section-title {
  margin-bottom: var(--space-lg);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--primary);
  border-radius: var(--radius-full);
  margin-top: var(--space-sm);
}

/* ============================================
   Hero — Split Layout (Radical Change)
   ============================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-xl);
  padding: 140px var(--space-lg) var(--space-xl);
  background: 
    radial-gradient(circle at 20% 80%, rgba(13, 148, 136, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(217, 119, 6, 0.05) 0%, transparent 40%),
    var(--gradient-hero);
  position: relative;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 120px;
  }
}

.hero-content {
  order: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-md);
  line-height: 1.1;
  animation: fade-up 0.8s ease-out;
}

.hero-title .highlight {
  color: var(--primary);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
  animation: fade-up 0.8s ease-out 0.15s both;
}

.hero-image-container {
  order: 2;
  position: relative;
  align-self: stretch;
  min-height: 400px;
  background: var(--bg-pure);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  animation: fade-up 0.8s ease-out 0.3s both;
  padding: var(--space-md);
}

.hero-image-container::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0.08;
  border-radius: 50%;
  z-index: -1;
}

.hero-image-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Stats Strip — Light Pills
   ============================================ */
.stats-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) 0;
  margin: 0;
}

.stat-chip {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.stat-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

/* ============================================
   Disclaimer Banner
   ============================================ */
.disclaimer-banner {
  background: var(--accent-light);
  color: #92400e;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
  font-size: 0.9rem;
  border-left: 4px solid var(--accent);
}

/* ============================================
   Cards — Light & Clean
   ============================================ */
.glass-card {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-soft);
  transition: all 0.35s ease;
}

.glass-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: var(--border-medium);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.card-grid .glass-card {
  padding: var(--space-lg);
}

.card-grid .glass-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
}

/* ============================================
   Forms
   ============================================ */
.order-form {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  max-width: 640px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-main);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2378716c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.75rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 0.2rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-group label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-group .error,
.form-group .error {
  display: block;
  color: var(--error-color);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* ============================================
   Accordion
   ============================================ */
.accordion {
  margin-bottom: 0.5rem;
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s;
}

.accordion:hover {
  border-color: var(--border-medium);
}

.accordion-header {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: background 0.2s;
}

.accordion-header::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--primary);
  transition: transform 0.3s;
}

.accordion-header.active::after {
  transform: rotate(45deg);
}

.accordion-header:hover {
  background: var(--bg-main);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-content.active {
  max-height: 2000px;
}

.accordion-content p,
.accordion-content ul {
  padding: 0 1.5rem 1.5rem;
  margin: 0;
  color: var(--text-secondary);
}

.accordion-content ul {
  margin-left: 2rem;
  margin-top: 0.5rem;
}

/* ============================================
   Images & Galleries
   ============================================ */
.image-placeholder {
  width: 100%;
  background: var(--bg-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.ratio-1-1 { aspect-ratio: 1 / 1; }
.ratio-16-9 { aspect-ratio: 16 / 9; }

.image-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.image-gallery .image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Special Offer Block
   ============================================ */
.special-offer-block {
  background: var(--gradient-accent);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  margin: var(--space-lg) 0;
  box-shadow: 0 8px 32px var(--primary-glow);
  position: relative;
}

.special-offer-block .label {
  color: rgba(255,255,255,0.9);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 600;
}

.special-offer-block .price {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 400;
  color: #fff !important;
  margin: 0.5rem 0;
}

.special-offer-block .price span {
  font-size: 1.5rem;
  vertical-align: top;
  opacity: 0.95;
}

/* ============================================
   References Grid
   ============================================ */
.references-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.reference-card {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.reference-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.reference-card h4 {
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.reference-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

/* ============================================
   Legal Block
   ============================================ */
.legal-block {
  background: var(--bg-pure);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-soft);
}

.legal-block h3 {
  margin-bottom: var(--space-md);
}

.legal-info p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

/* ============================================
   Carousel
   ============================================ */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
}

.carousel-track {
  display: flex;
  transition: transform 0.6s ease;
}

.carousel-slide {
  min-width: 100%;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-pure);
  color: var(--primary);
  border: 1px solid var(--border-light);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.2s;
  box-shadow: var(--shadow-soft);
}

.carousel-nav:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.carousel-nav.prev { left: 1rem; }
.carousel-nav.next { right: 1rem; }

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-warm);
  border-top: 1px solid var(--border-light);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-2xl);
}

.footer h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.footer a {
  color: var(--text-secondary);
}

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

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   Cookie Banner
   ============================================ */
.cookie-banner {
  display: none;
}

.cookie-banner.active {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-pure);
  border-top: 1px solid var(--border-light);
  padding: var(--space-md);
  box-shadow: 0 -8px 32px rgba(28, 25, 23, 0.1);
  z-index: 9999;
}

.cookie-banner-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.cookie-banner-text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* ============================================
   Animations (Light theme adjustments)
   ============================================ */
.fade-in-up {
  animation: fade-up 0.8s ease-out both;
}

@media (prefers-reduced-motion: no-preference) {
  .stat-float .stat-chip {
    animation: float-gentle 4s ease-in-out infinite;
  }
  .pulse-cta {
    animation: pulse-glow 3s ease-in-out infinite;
  }
}

@keyframes float-gentle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 8px 32px var(--primary-glow); }
  50% { box-shadow: 0 8px 40px var(--primary-glow); }
}

.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.5s ease;
}

.img-zoom:hover img {
  transform: scale(1.06);
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.animate-on-scroll[data-animation="slide-left"] {
  transform: translateX(-40px);
}

.animate-on-scroll[data-animation="slide-left"].animated {
  transform: translateX(0);
}

.animate-on-scroll[data-animation="slide-right"] {
  transform: translateX(40px);
}

.animate-on-scroll[data-animation="slide-right"].animated {
  transform: translateX(0);
}

.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.animated > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.animated > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.animated > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.animated > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.animated > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.animated > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.animated > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.animated > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.animated > *:nth-child(9) { transition-delay: 0.45s; }

.stagger-children.animated > * {
  opacity: 1;
  transform: translateY(0);
}

/* Subpages */
body.subpage main {
  padding-top: 120px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .image-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-sm);
  }
  .nav-buttons {
    width: 100%;
    justify-content: center;
  }
  .stats-strip {
    flex-direction: column;
  }
  .cookie-banner-content {
    flex-direction: column;
    text-align: center;
  }
}