/*!
 * Ricambio Finder - Optimized Styles
 * Version: 2.1.0
 * Description: High-performance, SEO-optimized styles for hero section, modal and category widgets
 * Author: 3D Ricambi
 */

/* ==========================================
   TABLE OF CONTENTS
   1. CSS Variables & Design Tokens
   2. Reset & Base Styles
   3. Hero Section
   4. Modal System
   5. Category Widgets
   6. Animations & Transitions
   7. Responsive Design
   8. Accessibility
   9. Print Styles
   ========================================== */


/* ==========================================
   1. CSS VARIABLES & DESIGN TOKENS
   ========================================== */
:root {
  /* Brand Colors */
  --color-primary: #0BB38C;
  --color-primary-dark: #099a7b;
  --color-primary-light: #d4f4ec;
  --color-secondary: #25D366;
  --color-secondary-dark: #20b858;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Semantic Colors */
  --color-success: #25D366;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Text Colors */
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-text-inverse: #ffffff;

  /* Background Colors */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-overlay: rgba(0, 0, 0, 0.6);
  --color-bg-modal: rgba(0, 0, 0, 0.75);

  /* Typography */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */

  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 2.5rem;   /* 40px */
  --spacing-3xl: 3rem;     /* 48px */
  --spacing-4xl: 4rem;     /* 64px */

  /* Border Radius */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 950;
  --z-modal-backdrop: 10050;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}


/* ==========================================
   2. RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

body.no-scroll {
  overflow: hidden;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}


/* ==========================================
   3. HERO SECTION
   ========================================== */
.hero-section {
  position: relative;
  min-height: 60vh;
  max-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

/* Background */
.hero-section__background {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-section__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-section__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 179, 140, 0.7) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
  z-index: 2;
}

/* Container */
.hero-section__container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-md);
  padding-bottom: 150px; /* Spazio per stats-bar in fondo */
}

/* Trust Badges Row */
.hero-trust-badges {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-badge__icon {
  color: var(--color-white);
  flex-shrink: 0;
}

.trust-badge__text {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
  white-space: nowrap;
}

/* Hero Content */
.hero-section__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-lg);
}

.hero-badge__icon {
  width: 16px;
  height: 16px;
}

.hero-section__title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-section__title-highlight {
  display: block;
  color: var(--color-secondary);
  background: linear-gradient(90deg, #25D366 0%, #0BB38C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section__description {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
  color: var(--color-white);
  margin-bottom: var(--spacing-2xl);
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
  opacity: 0.95;
}

.hero-section__description strong {
  font-weight: var(--font-weight-bold);
}

/* CTA Buttons */
.hero-section__cta-group {
  position: relative;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.hero-cta--primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.hero-cta--primary:hover,
.hero-cta--primary:focus {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.hero-cta--secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.hero-cta--secondary:hover,
.hero-cta--secondary:focus {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.hero-cta__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.hero-cta__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.hero-cta__text-main {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.hero-cta__text-sub {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  opacity: 0.8;
}

.hero-cta__arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.hero-cta:hover .hero-cta__arrow {
  transform: translateX(4px);
}

/* Social Proof */
.hero-social-proof {
  position: relative;
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-social-proof__rating,
.hero-social-proof__count {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-social-proof__divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.3);
}

.stars {
  display: flex;
  gap: 2px;
}

.hero-social-proof__text {
  font-size: var(--font-size-sm);
  color: var(--color-white);
}

.hero-social-proof__text strong {
  font-weight: var(--font-weight-bold);
}

/* Stats Bar */
.hero-stats-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 4;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.hero-stats-bar__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hero-stat__icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero-stat__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.hero-stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.4;
}


/* ==========================================
   4. MODAL SYSTEM
   ========================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-modal);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-slow);
}

.modal-overlay.is-active .modal {
  transform: scale(1) translateY(0);
}

/* Modal Header */
.modal__header {
  position: sticky;
  top: 0;
  background: var(--color-white);
  z-index: 10;
  border-bottom: 1px solid var(--color-gray-200);
}

.modal__header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
}

.modal__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1.3;
}

.modal__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

.modal__close {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal__close:hover,
.modal__close:focus {
  background: var(--color-gray-200);
  color: var(--color-text-primary);
  transform: rotate(90deg);
}

/* Progress Bar */
.modal__progress {
  padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  position: relative;
  z-index: 2;
}

.progress-step__circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-gray-200);
  border: 2px solid var(--color-gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  position: relative;
}

.progress-step__number {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-500);
  transition: all var(--transition-base);
}

.progress-step__check {
  position: absolute;
  inset: 0;
  margin: auto;
  opacity: 0;
  transform: scale(0);
  transition: all var(--transition-base);
}

.progress-step.is-active .progress-step__circle,
.progress-step.is-completed .progress-step__circle {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.progress-step.is-active .progress-step__number,
.progress-step.is-completed .progress-step__number {
  color: var(--color-white);
}

.progress-step.is-completed .progress-step__number {
  opacity: 0;
  transform: scale(0);
}

.progress-step.is-completed .progress-step__check {
  opacity: 1;
  transform: scale(1);
  color: var(--color-white);
}

.progress-step__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-align: center;
  transition: all var(--transition-base);
}

.progress-step.is-active .progress-step__label {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.progress-step__connector {
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--color-gray-200);
  z-index: 1;
}

.progress-step:last-child .progress-step__connector {
  display: none;
}

.progress-bar {
  height: 4px;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Modal Body */
.modal__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xl);
}

/* Selection Preview */
.selection-preview {
  background: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.selection-preview__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.selection-preview__icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.selection-preview__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-right: var(--spacing-xs);
}

.selection-preview__value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

/* Steps */
.step {
  display: none;
  animation: fadeIn 0.3s ease-out;
}

.step.is-active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step__header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

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

.step__description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.step__content {
  margin-bottom: var(--spacing-xl);
}

.step__footer {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-gray-200);
}

/* Options Grid */
.options-grid {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.options-grid--appliances {
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.options-grid--brands {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}

.option-card {
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-card:hover,
.option-card:focus {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.option-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: all var(--transition-fast);
}

.option-card:hover .option-card__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.option-card__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  text-align: center;
}

/* Search Box */
.search-box {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.search-box__icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-400);
  pointer-events: none;
}

.search-box__input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) calc(var(--spacing-md) * 3);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: all var(--transition-fast);
}

.search-box__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* No Results */
.no-results {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-secondary);
}

.no-results svg {
  margin: 0 auto var(--spacing-md);
  opacity: 0.5;
}

/* Instructions */
.instruction-content {
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.instruction-content__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.instruction-content__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.instruction-content__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.instruction-content__intro {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.instruction-content__subtitle {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.instruction-content__list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.instruction-content__list li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--color-text-primary);
}

.instruction-content__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.instruction-content__image-wrapper {
  position: relative;
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
}

.instruction-content__image {
  width: 100%;
  height: auto;
  display: block;
}

.image-zoom-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.image-zoom-btn:hover {
  background: var(--color-white);
  transform: scale(1.1);
}

.instruction-content__tip {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-info);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(11, 179, 140, 0.1) 100%);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.instruction-content__tip svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 60px;
}

.action-btn--primary {
  background: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.action-btn--primary:hover,
.action-btn--primary:focus {
  background: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.action-btn--secondary:hover,
.action-btn--secondary:focus {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.action-btn__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.action-btn__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.action-btn__text-main {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.action-btn__text-sub {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  opacity: 0.85;
}

/* Back Button */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-back:hover,
.btn-back:focus {
  background: var(--color-gray-100);
  color: var(--color-text-primary);
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

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

.loading-spinner svg {
  margin: 0 auto var(--spacing-md);
  color: var(--color-primary);
}

.loading-spinner p {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* Success Toast */
.success-toast {
  position: fixed;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-tooltip);
  background: var(--color-secondary);
  color: var(--color-white);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}


/* ==========================================
   5. CATEGORY WIDGETS
   ========================================== */

/* Sidebar Widget */
.finder-widget {
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.finder-widget--sidebar {
  /* Position rimosso: la sidebar scrolla normalmente con la pagina */
}

.finder-widget__header {
  margin-bottom: var(--spacing-lg);
}

.finder-widget__icon-wrapper {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.finder-widget__icon {
  color: var(--color-white);
}

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

.finder-widget__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}

.finder-widget__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.finder-widget__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.finder-widget__features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.finder-widget__features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.finder-widget__features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.finder-widget__cta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.finder-widget__cta:hover,
.finder-widget__cta:focus {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.finder-widget__trust {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.trust-stars {
  display: flex;
  gap: 2px;
}

.finder-widget__trust-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Inline Banner */
.finder-banner {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-gray-50) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  margin: var(--spacing-3xl) 0;
}

.finder-banner__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.finder-banner__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex: 1;
}

.finder-banner__icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
  box-shadow: var(--shadow-lg);
}

.finder-banner__text {
  flex: 1;
}

.finder-banner__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-secondary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.finder-banner__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.finder-banner__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.finder-banner__cta-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-end;
}

.finder-banner__cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.finder-banner__cta:hover,
.finder-banner__cta:focus {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.finder-banner__cta-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.finder-banner__cta-main {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
}

.finder-banner__cta-sub {
  font-size: var(--font-size-xs);
  opacity: 0.85;
}

.finder-banner__cta-arrow {
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.finder-banner__cta:hover .finder-banner__cta-arrow {
  transform: translate(4px, -4px);
}

.finder-banner__trust {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Floating Button */
.finder-floating {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: var(--z-fixed);
  display: none;
}

.finder-floating__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  position: relative;
}

.finder-floating__btn:hover,
.finder-floating__btn:focus {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.finder-floating__icon-pulse {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-full);
  background: var(--color-secondary);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  z-index: -1;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.1);
  }
}

.finder-floating__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.finder-floating__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.finder-floating__text strong {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.finder-floating__text small {
  font-size: var(--font-size-xs);
  opacity: 0.9;
}

.finder-floating__badge {
  padding: 2px var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}


/* ==========================================
   6. ANIMATIONS & TRANSITIONS
   ========================================== */
@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}


/* ==========================================
   7. RESPONSIVE DESIGN
   ========================================== */

/* Tablet (768px and down) */
@media (max-width: 768px) {
  /* Hero */
  .hero-section {
    min-height: 70vh; /* Altezza maggiore per contenere tutto */
  }

  .hero-section__container {
    padding: var(--spacing-xl) var(--spacing-md);
    padding-bottom: 160px; /* Spazio per stats-bar */
  }

  .hero-trust-badges {
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
  }

  .trust-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .trust-badge__text {
    font-size: 11px;
  }

  .hero-section__title {
    font-size: clamp(1.5rem, 5vw, 2rem);
    margin-bottom: var(--spacing-md);
  }

  .hero-section__description {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
  }

  .hero-section__cta-group {
    flex-direction: column;
    width: 100%;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-sm);
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
  }

  .hero-social-proof {
    gap: var(--spacing-md);
    font-size: 0.8rem;
  }

  .hero-stats-bar__container {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .hero-stat {
    gap: var(--spacing-sm);
  }

  .hero-stat__icon {
    width: 40px;
    height: 40px;
  }

  .hero-stat__icon svg {
    width: 24px;
    height: 24px;
  }

  .hero-stat__value {
    font-size: var(--font-size-base);
  }

  .hero-stat__label {
    font-size: 11px;
  }
}

  /* Modal */
  .modal__header-top {
    padding: var(--spacing-lg);
  }

  .modal__body {
    padding: var(--spacing-lg);
  }

  .progress-step__label {
    font-size: 10px;
  }

  .options-grid--appliances,
  .options-grid--brands {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .action-btn {
    min-height: 70px;
  }

  /* Widgets */
  .finder-banner__container {
    flex-direction: column;
    text-align: center;
  }

  .finder-banner__content {
    flex-direction: column;
  }

  .finder-banner__cta-wrapper {
    width: 100%;
    align-items: stretch;
  }

  .finder-banner__cta {
    width: 100%;
    justify-content: center;
  }

  .finder-floating {
    display: block;
  }
}

/* Mobile (480px and down) */
@media (max-width: 480px) {
  /* Hero */
  .hero-section {
    min-height: 85vh; /* Altezza ancora maggiore su mobile */
  }

  .hero-section__container {
    padding: var(--spacing-md) var(--spacing-md);
    padding-bottom: 210px; /* Più spazio per stats-bar su mobile */
  }

  .hero-trust-badges {
    flex-direction: column;
    gap: 6px;
    margin-bottom: var(--spacing-md);
  }

  .trust-badge {
    padding: 6px 12px;
  }

  .trust-badge__icon {
    width: 18px;
    height: 18px;
  }

  .trust-badge__text {
    font-size: 10px;
  }

  .hero-badge {
    font-size: 11px;
    padding: 4px 12px;
    margin-bottom: var(--spacing-sm);
  }

  .hero-section__title {
    font-size: 1.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
  }

  .hero-section__description {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
  }

  .hero-section__cta-group {
    margin-bottom: var(--spacing-md);
    gap: 8px;
  }

  .hero-cta {
    padding: 12px var(--spacing-md);
    font-size: 0.9rem;
  }

  .hero-cta__icon {
    width: 20px;
    height: 20px;
  }

  .hero-cta__text-main {
    font-size: 0.9rem;
  }

  .hero-cta__text-sub {
    font-size: 10px;
  }

  .hero-social-proof {
    gap: var(--spacing-sm);
    flex-wrap: wrap;
  }

  .hero-social-proof__divider {
    display: none;
  }

  .stars svg {
    width: 14px;
    height: 14px;
  }

  .hero-social-proof__text {
    font-size: 11px;
  }

  .hero-stats-bar__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .hero-stat {
    gap: 8px;
  }

  .hero-stat__icon {
    width: 36px;
    height: 36px;
  }

  .hero-stat__icon svg {
    width: 20px;
    height: 20px;
  }

  .hero-stat__value {
    font-size: 0.95rem;
  }

  .hero-stat__label {
    font-size: 10px;
    line-height: 1.3;
  }
}

  /* Modal */
  .modal__header-top {
    padding: var(--spacing-md);
  }

  .modal__title {
    font-size: var(--font-size-lg);
  }

  .modal__body {
    padding: var(--spacing-md);
  }

  .progress-step__circle {
    width: 32px;
    height: 32px;
  }

  .progress-step__label {
    display: none;
  }

  .options-grid--appliances,
  .options-grid--brands {
    grid-template-columns: 1fr;
  }

  .action-btn {
    min-height: 80px;
    padding: var(--spacing-md);
  }

  /* Widgets */
  .finder-widget {
    padding: var(--spacing-lg);
  }

  .finder-banner {
    padding: var(--spacing-lg);
  }

  .finder-banner__icon {
    width: 60px;
    height: 60px;
  }

  .finder-floating__text small {
    display: none;
  }
}


/* ==========================================
   8. ACCESSIBILITY
   ========================================== */
.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;
}

*:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .hero-section__overlay {
    background: rgba(0, 0, 0, 0.8);
  }

  button,
  .option-card {
    border-width: 3px;
  }
}


/* ==========================================
   9. PRINT STYLES
   ========================================== */
@media print {
  .modal-overlay,
  .finder-floating,
  .hero-section__background {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }
}